Portable navigation device

FIELD: instrument making.

SUBSTANCE: colour pattern and screen content of a navigation device monitor are assessed and generated. At the same time it is defined at least for one specified condition of the surrounding lighting, monitoring and evaluation of a signal that specifies conditions of the surrounding lighting, whether display settings are used for current conditions of the surrounding lighting, and, if required, changes are made to display settings, so that they correspond to current conditions of the surrounding lighting.

EFFECT: expansion of functional capabilities.

34 cl, 9 dwg

 

REFERENCE TO RELATED APPLICATIONS

This application claims the priority of patent applications in the United Kingdom of great Britain and Northern Ireland ordinal 0604709.6, 0604708.8, 0604710.4, 0604704.7, and 0604706.2. The above-mentioned patent application is included in the document by reference.

The LEVEL of TECHNOLOGY

1. The technical FIELD TO WHICH the INVENTION RELATES.

The present invention relates to a portable navigation device, including functionality that is designed to automatically adjust the display settings to suit a variety of ambient light conditions.

2. Description of the prior art,

The navigation device based on the global system (GSM, GPS) navigation and positioning are known and widely used as vnutrepenialnyh navigation devices. Reference can be made to devices that integrate a GPS receiver in a computing device programmed with having a map database, and which can generate a navigation command to the display device, such as device TOMTOM GO TomTom. These portable integrated devices are often mounted on the dashboard of the vehicle or such, using vacuum mounting Restylane tool.

Reference may also be made in the software series Navigator) from the assignee of the present invention, TomTom International B.V. the software when executed in a personal digital assistant (OCA, PDA) with GPS receiver (such as the COMPAQ IPAQ) or connected to an external GPS receiver allows the user to enter into the PDA address points of departure and destination. The software then calculates the best route between two points and displays instructions regarding navigation on this route.

The term "navigation device" refers to a device that allows the user to navigate to a predetermined destination. The device may have an internal system for receiving location data, such as a GPS receiver, or may simply be connected to the receiver, which can receive the location data. The device can calculate its own route, or to communicate with a remote server, which computes the route and delivers the navigation information to the device, or may be a hybrid device in which the device itself, and the remote server are both involved in the calculation of the route. Portable navigation device based on the GPS not flauta built into the vehicle on a permanent basis, but instead are devices that can easily be inserted or connected, or otherwise used inside the vehicle. Usually (but not necessarily), they are completely self-contained, that is, internal GPS antenna, navigation software and map data, and therefore can trace and display the route to be considered.

By using the positional information received from internal or external GPS receiver, the software may determine at equal intervals of time the position of the navigation device or PDA (usually mounted on the dashboard of the vehicle) and can display the current position of the vehicle on the map and to display (and tell) the proper navigation commands (e.g. 'turn left after 100 m') on the screen.

Graphics representing actions to be performed (e.g., left arrow, indicates future left turn), can be displayed in the status bar, and coming on top of the applicable intersections/turns roads, etc. on the roads shown on the map. The display device of the navigation device may consist of a liquid crystal display (LCD, LCD)to show the user it is currently owned by agenie on the map and any information associated with the area and planned route. One example is, the LCD module SAMSUNG LTE400WQ-E01 an active matrix with built-in touch panel and rear lights.

The set of colors for map display or the display of menu items on the screen of the navigation device may be defined in advance, and different sets of colors can be stored as color schemes (colours). The user can also adjust the level of the backlight display device, which can vary from full backlight to turn off backlight completely.

One common approach is to have the user manually change the brightness of the display when changing external light, such as increased brightness when using a navigation device or PDA under direct sunlight or reduce background illumination in dim lighting situations, such as at night or when driving in a tunnel. In these situations, the default brightness setting may not be appropriate, since the mapping can be either too dark or too bright for the given lighting conditions. Lower levels of backlight may also be desirable for lower power consumption and extended operating time from the battery.

Is also in zmeinym configure the navigation device or PDA to use pre-defined color schemes for menus, maps and navigation screens. Some color schemes use colors with high contrast, which remain visible even under direct sunlight, other color schemes are suitable for people that do not distinguish colors (color blindness), and is also known to use color schemes that are more appropriate for the environment with low light or when using a navigation device or PDA at night.

However it is not known a gradual change in the brightness of the display device is a portable navigation device depending on the current ambient lighting conditions and user-selectable options. Also it is not possible to perform automatic adjustments to the brightness of the display and/or color schemes without user interaction, where and when it is the most desirable.

The present invention provides a tool that is designed to change the display settings to match the current levels of ambient light, and to provide user-selectable preferences for automatic adjustment of display settings changing levels of ambient light.

A BRIEF DESCRIPTION of the INVENTION

The invention is a navigation device containing the processor, made with the ability to monitor signals indicating the conditions of the ambient light, and select display settings assigned to the current ambient lighting conditions. The invention also is a method for automatic adjustment of display settings for the portable navigation device in accordance with the current ambient lighting conditions.

BRIEF DESCRIPTION of DRAWINGS

The present invention will be described with reference to the accompanying drawings, in which:

Figure 1 - block diagram depicting elements of a navigation device implementing the present invention;

Figure 2 - screenshot of the navigation device; a snapshot of the screen shows a similar three-dimensional navigation view, suitable for use in the daytime, and the status bar running along the bottom of the display;

Figure 3 - screenshot of the navigation device, the screenshot shows a similar three-dimensional navigation view suitable for night time use, and the status bar running along the bottom of the display;

4 is a block diagram illustrating implementation of the invention,

5 is a screenshot of the navigation device, the screenshot shows the display site the readings with buttons to change the map colors and the brightness of the display,

6 is a snapshot of the screen of a portable navigation device, a screen shot shows the screen of the preferences brightness

Fig.7 - a snapshot of the screen of a portable navigation device, a screen shot shows the screen of the preferences button to manually switch between day and night view

Fig diagram for the transition between day and night view according to one variant of the invention,

Fig.9 diagram for the transition between day and night view according to another variant embodiment of the invention.

A DETAILED DESCRIPTION of the PREFERRED embodiments

Variant implementation of the present invention will be described in detail below with reference to the accompanying drawings.

Figure 1 presents a block diagram showing various components of the navigation device according to the invention. The main components of the navigation device are enclosed in a portable case 1. The navigation device includes a storage device 10, the type of which can be internal (such as a hard disk drive, flash memory, random access memory, a permanent storage device or the like) or removable (such as memory card, memory card, CD-ROM, digital versatile disk or the like). N the navigation device may contain internal and the removable storage device at the same time.

The location of the navigation device is calculated using the position (e.g., GPS) data 9, which receive from the GPS receiver 12. The GPS receiver 12 may be internal or external, is connected to the navigation device via wire or wireless connection.

The navigation device includes a processor 4 to perform the related navigation tasks in accordance with the programmed commands and user interaction. The processor 4 communicates with various components of the navigation device through the data bus 6. The map data 7, user 8 data, GPS data 9 can be accessed by the processor 4 via the data bus, either directly or through other elements that are outside the scope of the present invention.

The navigation device includes a display device 2, showing a map and a navigation command, and providing the user access to various functions of the navigation device through the graphical menu system. The colors and content displayed on the screen are controlled by the CPU 4 in accordance with the programmed functions, the planned route and the location of the navigation device. In other implement is the situation for graphics tasks can be used to separate the image processor.

The display device 2 includes a light source 3 for the rear lights. The light source 3 can provide different output levels, as, for example, light-emitting diodes with pulse-width modulation. Levels of backlight is regulated by the processor 4 or a separate image processor.

Color schemes 11 is also stored in the storage device 10 or in other special areas of the navigation device. The color scheme may be stored as a plug-in file. Plug-in file is a separate piece of software that interacts with the primary application in this case with the basic software of the navigation device, to perform a specific task. Include file can implement (e.g., store, retrieve, manage) the relationship of colors and color conversion.

The user of the navigation device can control the navigation device using the various buttons (not shown) or tactile user interface such as a touch screen or touch the keyboard or by voice commands. In this example, the user can interact with the navigation device using the device 2 display with touch screen, which is also connected to the bus 6 data.

Navigat the traditional device may contain on-Board sensor 5a light or may have an interface with an external sensor 5b of the light. The light sensor is a specialized diode or transistor that outputs an output signal in accordance with the current ambient lighting conditions. The processor 4 receives from the sensors 5a or 5b, the signal indicating the conditions of the ambient light. The signal from the sensor 5a or 5b processor 4 takes into account to select and change the display settings of the navigation device. The signal indicating the conditions of the ambient light may not be taken into account immediately in order to filter out sudden, temporary changes in ambient lighting conditions. Can be used buffer from 10 seconds to 150 seconds, to prevent unwanted changes between display modes due to temporary changes in ambient lighting conditions.

Figure 2 shows a snapshot of the screen of the personal navigation device. The screenshot shows a typical three-dimensional navigation view 1 and line 2 States along the bottom of the screen. The road, groups of buildings, parks and water areas are shown using different colors. The overall appearance is, therefore, similar to the card on paper. Arrow 3 indicating the current position of the device shown in the center of the screen. If the user of the navigation device or the vehicle on which the installed navigation the TES device moving on route 4, the navigation view 1 is regularly updated by scrolling the map and rotation as indicated by the arrow 3, indicating the current position, remained in the center of the screen pointing up. The Central area of the screen is located in the lower half of the screen; at an equal distance from the left and right edge of the visible (on screen) map area. The user of the navigation device is on route 4, in order to reach the desired destination (not shown in the drawing figure).

Line 2 gives in region 7 information on the details of a trip. Icon 8 "the following command indicates that the next maneuver is performed to the user, and how far is your current location from the location of the maneuver, so that the user has sufficient time to prepare for the next maneuver. Icon 8", the following command may be accompanied by correspondingly synchronized voice instructions, reproducible through the speaker of the navigation device, or using an external audio playback devices, such as a headset or car radio.

It should be noted that in line 2 of the status character types with the appropriate size, color and placement are used on top of the background contrasting color is, to facilitate reading the content in the most light. In this example, we used the sets white font over a dark blue background. Alternatively, you can use various color combinations, providing the user of the navigation device sufficient readability. This combination of colors includes yellow, white, green, or light grey text over the black, dark gray, brown or dark blue background. Optional, text color and background can be swapped or inverted.

Street 5 and main roads 10 are drawn with light colors such as white and yellow, while the 6 names of the streets are black, in order to provide sufficient contrast. May be possible for more color combinations, as described above. "The next step" is also marked on the map by using the arrow 9. In this example, the arrow 9 is outlined in green, which remains visible when superimposed on top of the streets 5 and main roads 10. Also is it possible to use any other color that is different from the colors below the arrow 9.

The set of colors to be used in the navigation view, called the color scheme. Color scheme contains information on the types of map elements and their associated colors. In addition to the map elements, the color scheme may also contain information as to the colors to be used in line 2 of the state, and colors to be used for other items displayed in the navigation view 1, such as: buttons 11 and 12 zoom; marker 3 to the current position; the names of the 5 streets; water 6, the arrow 9 for the next steps and any other elements on the screen, as well as those not shown in figure 2, such as tunnels, bridges, highways, pedestrian streets, Railways, private roads, utility roads, bypass path, road lanes for buses, etc.

Also, it is possible to enhance the back-lighting display device of the navigation device, especially when it is used under direct sunlight, and reduce back light for use in dark environment, to ensure a good readability in various lighting conditions in addition to using different sets of colors.

Figure 3 shows a snapshot of the screen of the navigation device. The screenshot shows the same three-dimensional navigation view 1 and line 2 state, as in figure 2, but using a different color scheme that is appropriate for a dark environment, where the sharp, contrasting colors in Figure 2 mo the ut to be annoying for the user of the navigation device. In this example, the bright color is used to indicate the planned route 4, whereas the other elements are drawn from a relatively dark colors. Some elements, for example, shown in figure 2 the river is 12, almost completely smoothly disappears in the background image, and the greenery of the Park area 13 on the upper edge of the screen is completely dark to represent almost realistic night view of the environment of the navigation device.

Also is it possible to draw a schematic view of the night sky in the area close to the top of the screen that display information relevant maps and routing. This will compensate for the loss of detail compared to the view of figure 2. The stars in the night sky can be played using white, yellow or light gray color pixels in size 1 or 2 pixels in the upper third of the visible area, to create a better sense of space even though it shows less detail than the view shown in figure 2.

The color scheme used in figure 3, helps the user of the navigation device to identify those elements that are more likely to be appropriate at night. In addition, in comparison with Figure 2 is used less kolichestvennoe colors, therefore, the names of 6 streets, route 4 and 9 on the following actions are even on color background, consisting of other elements of the map. This color scheme will result in lower screen flickering and less distraction of the user of the navigation device at night, while it will still allow for adequate visibility contrast colour schemes with a lighter, more diverse and more vibrant colors. The same or similar color scheme can be useful when the user device enters a tunnel or other areas with significantly worse lighting conditions than during normal daytime use.

Figure 4 shows a block diagram illustrating the present invention. The navigation device stores in its memory the different data that are required to perform functions related to navigation. The data may include map data, satellite data, custom data, audio and text files, software for navigation and related operations, as well as configuration files, preferences and operating system files. The storage device can be one of: random access memory, memory on the hard dis is e, flash memory card removable storage devices, and any suitable volatile or non-volatile memory means. The processor of the navigation device is connected with the storage device and performs various operations, if and when they are needed, on the basis of pre-programmed commands and/or user interaction. The processor can perform operations of reading and writing. The processor can delete, move, and modify data in any way that is necessary for operation of the navigation device.

At the first stage in Figure 4, the processor of the navigation device monitors the signal indicating the conditions of the ambient light. In this embodiment, the signal from the light sensor mounted on the PCB of the navigation device.

The light sensor is a light sensitive diode or transistor that outputs an output signal dependent on the amount of light falling on the surface of the diode. If you know the ratio between the amount of light on the diode and the corresponding output signal, it is possible to reliably distinguish between different lighting conditions such as daylight and night, or, optionally, to use a finer granularity to further establish the difference is s between an arbitrary number of transient lighting conditions between daylight and at night. Manufacturers of light sensors publish the respective operating characteristics of diodes, such as model TOSHIBA TPS851 that can be used in a given implementation of the invention. In other implementations, it is also possible that the light sensor is connected externally with a navigation device, and it is also possible that the sensor is able to distinguish only two conditions and to provide an output signal indicating one of these two conditions. Can be used with other sensors indicating the current light conditions, such as the status indicator light headlight to give a good estimate that decreased levels of ambient light, if included headlights of the vehicle.

In the first stage, the processor of the navigation device monitors the signal indicating the current light conditions. In the next step, the processor executes the estimation of the signal and then proceeds to select the proper display settings, which was appointed for the current lighting conditions. The processor proceeds to change the current settings is displayed on the selected display configuration after it is determined that the current setting of the display differs from the settings assigned to the current lighting conditions.

Assigned to the display configuration may contain one of the color schemes that were op the Sana'a higher and may also contain pre-defined levels of backlight and optional - show or hide the details on the screen.

Configure display, suitable for daylight conditions, can contain the level of the rear of the backlight set to the maximum value, and a color scheme that uses realistic, similar to fluorescent colors, and displaying map information in the same way as on the cards on paper.

Other setting display for night use may contain reduced levels of backlight, which can be located in the lower half of the range of the backlight, for example, set at 15 percent, in combination with the same color scheme as above, or with a different color scheme uses colors that are similar to view the area surrounding the user at night. Is also possible that the color scheme for night usage applies the inverted color color scheme intended for daytime use.

Is also possible that the night view specifies the objects that are not visible during the day, such as stars, street lighting luminaire, and is also possible to configure the night view with the ability to disable certain features or functions, more Vero the IDT relevant day, and to prevent functions that may be relevant to the user of the navigation device at night or in conditions in the dark. Thus, in addition to using a predefined set of colors to display the contents of the screen, daytime or night, the view can display various pieces of information, which may include at least one of: the star maps of interest points, information about map elements or planned itinerary and menu items. Day or night the view is also can allow or disable some functions of the navigation device, which can be at least one of: warnings about speed limits, warning interrupt movement and update information about the traffic or the weather. Therefore, when switching to day / night view of the navigation device will retrieve information about traffic conditions such as congestion or traffic jams (the temperature on the roads) and similar.

In the following the attention is moved figs.4, 5, and 6, which describe the various configuration options for the user of the navigation device.

Figure 5 shows a snapshot of the screen of the preferences menu of the navigation device. Menu osnovyvaet is camping on various icons and text labels, each of the icons represents a different configuration option. In some navigation devices configuration options can be accessed through a menu based only on the text.

Icon 51 in the lower left corner labeled "Change map colors", and by selecting it, the user of the navigation device can choose the color of the card that best fit your current working environment or other parameters similar to personal preference. Some color schemes were developed to create a more realistic representation of the actual landscape, while others adopted for color-blind persons, and some are designed around different themes, such as the official colors of the national football team of the country. Some color schemes correspond to regional differences in the encoding of the color paper maps and road infrastructure.

The color schemes of the present invention is General that any objects that can be displayed on the screen, have a relationship with color. The relationship of colors in the color scheme can be pre-defined and fixed, or for a user of the navigation device may be a possible choice of colors for individual map objects and items displayed on the screen.

p> According to this variant embodiment of the invention some color card more suitable for use in the day time, and others are suitable for night time use. The user can manually associate one color scheme to use in the daytime and associate a different color scheme using at night time, or the corresponding daytime and night color schemes can be stored in the form of factory-installed in the storage device as part of the navigation device. Icon 52 in the Central bottom area of the preferences menu opens a screen preferences brightness, which will be described in more detail in figure 6.

Figure 6 shows a screenshot of the preferences menu brightness of the navigation device according to the invention. Screenshot indicates the first element of the slider 61 to select the level of backlight, to be used during the day time, and the item-slider 62 to select a different level of backlight, to be used during the night time. The levels of the backlight can be selected independently from each other or in the form of relationships with each other. Shown in Fig.6 example, the fluorescent level of the backlight is 90 percent of the available range and night level backlight is 15 percent of the range. As the viola is notify the user can specify the desired ratio, for example glare in 90 percent of the available range and night brightness, comprising 15 percent of the selected fluorescent brightness. Is also possible that the user of the navigation device wants to use a higher level backlight at night than during the day. This is possible by setting the elements-sliders 61 and 62, respectively.

On the lower part 6 contains check boxes 63 and 64. The box 63 is noted, if the user wishes to rely on the navigation device to adjust the backlight of the display between the two levels, as may be selected by means of the elements-sliders 61 and 62. If the check box 63 has removed the check mark, the user will have the ability to manually set the levels of backlight. The check box 64 is noted, if the user of the navigation device wishes to rely on the navigation device to switch between daytime and night color schemes in accordance with the mechanism illustrated in Fig and 9. If the user removes the check mark check box 64, the navigation device supports using the current color scheme, regardless of the lighting conditions.

7 illustrates the configuration menu of the navigation device, the user may manually perekljuchis is between day and night colors, using the button 71. If by pressing this button to select the setting display night time, check boxes 63 and 64 (6) will not be taken into account by the navigation device.

On Fig shows the navigation scheme illustrating various display options of the navigation device in response to different lighting conditions. The horizontal axis 1 represents the level of the input signal received from the light sensor. When the input signal indicates the conditions of weak ambient light, that is, the input signal is below the threshold value 2, the navigation device uses the night color scheme and setting up display for night time. When the input signal from the light sensor indicates the lighting conditions day time, that is, the signal level above the threshold value 2, the navigation device uses fluorescent color scheme, and a setting display for day time. The threshold value of 2 was set at a value corresponding to an ambient light level below which the average user will use the night color scheme. Threshold value 2 can be factory installed or it can be set by the user of the navigation device in accordance with their personal preferences.

The vertical axis 4 represents the brightness ek is Ana in the range from 0 to 100 percent. In this example, the fluorescent brightness 5 is set to 100 percent, and night brightness 6 installed approximately 25 percent. Night brightness 6 is used as the input light sensor is below the threshold value 2, and day brightness 5 is used, if the input light sensor is above the threshold value 3.

In another embodiment, the threshold 2 and threshold 3 are identical, i.e. located at the same point on the horizontal axis 1. In this case, when the increase of the signal indicating the conditions of the ambient light, above the combined thresholds 2 and 3 display settings instantly change from night brightness day brightness. Similarly, if the signal indicating the conditions of the ambient light falls below the combined thresholds 2 and 3, display settings instantly change from day brightness night brightness.

On Fig shows a smooth transition along the line 7 between night brightness levels 6 and day brightness 5, while the input light sensor is between threshold 2 and threshold 3, which are set to different values on the horizontal axis 1. In this case, can be assigned to the advanced display different parts of the line 7 transition. Additional display settings can be created using on eunich color schemes and gradual changes in the levels of backlight or night colour schemes and gradual changes in the levels of backlight.

In a preferred embodiment, between night brightness levels 6 and day brightness 5 assigned with equal intervals 5 different levels of backlight without changing the color scheme. This scheme provides a gradual dim the backlight of the display device in response to reduced levels of ambient light. In this example, the horizontal axis 1 between threshold 2 and threshold 3 shows four points 2A, 2B, 2C and 2D. The number of points may be different, the point can be placed arbitrarily between thresholds 2 and 3, or they may be distributed with equal intervals.

If the signal indicating the conditions of the ambient lighting falls below a threshold value of 3 on the horizontal axis 1, the screen brightness is reduced to the value associated with the threshold value 2D, which is in proportion to the brightness value of daily 5 and night brightness 6 (in this example, 100 and 25 percent, respectively). Screen brightness remains at the value associated with the threshold value 2D, while decreasing the signal actually reaches the threshold value 2D. Threshold 2D screen brightness changes in the value associated with the threshold value 2C; and the brightness of the screen remains unchanged, while decreasing the signal actually reaches the threshold znaczenia. Similarly, in the threshold value 2C brightness of the screen is changed to the value associated with the threshold 2B; and threshold 2B brightness of the screen is changed to the value associated with the threshold value 2A. Finally, the threshold value is 2A, the brightness of the screen changes in the value associated with the threshold value 2, which is the value of the night brightness 6; and the brightness of the screen remains unchanged until the signal becomes below the threshold value 2. The change from day color night color can occur in one of the thresholds 2, 2A, 2B, 2C, 2D and 3, depending on the factory or custom configuration.

In a similar way with increasing signal level relative to the horizontal axis 1 in response to increased levels of ambient light navigation device is configured to change from night colour schemes in fluorescent color schemes at the point of threshold values of 2 and a gradual increase in the rear of the backlight from the night brightness level to the daily level of brightness along the line 7 until the input light sensor indicating the conditions of the ambient light will not reach the threshold value 3. The detailed procedure is the following.

Screen brightness remains at the level of night brightness 6 until the signal indicating the conditions of the ambient light is below the point 2A, or the quality is as alternatives below the threshold value 2. If increasing the signal reaches a threshold 2A, the brightness of the screen is changed to the level assigned to the given point, which is proportional value, and can be read on the vertical axis 2, somewhere between night brightness 6 and day brightness 5 (in this example, 25 and 100 percent, respectively). Threshold 2B screen brightness is increased to the level assigned to the given point, and then remains constant until the signal reaches the threshold value 2C. The brightness of the screen continues to change in a similar manner to the threshold values, 2C and 2D. Finally, the threshold value of 3 and above, use the fluorescent brightness 5, which in this example is equal to 100 percent.

In the above examples, there are four points of transitions between night brightness 6 and day brightness 5, providing a good level of detail without having to store a large number of installations. In other implementations can be used any greater or lesser number of transitional stages, or may be continuously variable, continuous transition.

Above the threshold value 3 is used fluorescent display settings, if the user of the navigation device manually select a different display setting, for example, by pressing buttons 1 through 7, to use night CEE is a, or by disabling buttons 3 and 4 to 6. In other implementations, there may be other available configuration options, to manually disable toggle between day and night color schemes. The user can simply choose the same color scheme and the same level backlight for day and night use in order to prevent any automatic changes.

Figure 9 shows a modified scheme of transitions compared to Fig. Figure 9 level of fluorescent brightness 5 was reduced to a new day brightness 5', the difference indicated by the arrow 9. Night brightness 6 was changed to a new night brightness 6', the difference indicated by the arrow 10. The new configuration can be compared with the previously described line 7 transition, as seen on the new line of transition 7'. Using the new line of transition 7' steps between the new night brightness 6' and a new day brightness 5' are smaller, but the transition is still smooth, gradual, until the threshold values of 2 and 3 will not be the same.

In the above examples, the conditions of the ambient light is measured using a light sensor associated with the processor of the navigation device. The light sensor may be part of a navigation device, or it may be an external sensor attached to a suitable connector, navigatio the nogo device or docking device.

In other circuits external sensor can transmit radio signals, such as signals of the standard Bluetooth or infrared, indicating the conditions of the ambient light. For example, the transmitter may be directly or indirectly connected with nutritionsport light sensor or sensor headlights and configured to transmit to the navigation device, and the signals shall indicate the conditions of the ambient light. Proper installation of the transmitter, Bluetooth or infrared is known to the specialist in the art and is outside the scope of the invention. The navigation device allowing communication capabilities, such as Bluetooth or infrared, may monitor signals indicating the conditions of the ambient light, and to carry out the invention in accordance with the attached claims.

In the absence of a signal from a light sensor or similar component hardware, or in addition thereto, the software in the navigation device may also monitor the current position of the navigation device and compare it with the map data with the objectives set out above. By matching data of the map with the current position of the software of the navigation device may indicate that the current position is n is walking in a tunnel or underground car Park, which is interpreted in the form of a signal indicating the conditions of weak ambient light. Lack of positional data (i.e. loss of GPS signal) may also indicate that the current location is in a tunnel or underground car Park.

In this case, the indication of the ambient lighting conditions does not require hardware component implemented in a navigation device or connected to it. The signal indicating light conditions, can be generated using software tools, such as at least one of: map data, user data, time data and configuration data.

In an additional embodiment, the navigation device may request confirmation from the user before or after the change between day and night color schemes after determining that the current setting of the display is not configuring the display assigned to the current ambient lighting conditions. To change settings for display to the user of the navigation device can be presented with a selection screen or the confirmation dialog.

If the navigation device is removed from the vehicle, that is, if detected that the device was undocked, the user can select additional possible the options which contain at least one of: confirm the configuration changes, select, implement, whether or not the monitoring signal indicating light conditions, select a color scheme to be used, and the choice of the level of the rear lights to be used. A similar choice is possible when performing docking navigation device in the vehicle.

The invention has been described with reference to some preferred embodiments of. However, it will be clear what are the possible modifications and changes in the scope of the attached claims.

1. Portable navigation device that contains
the processor and the storage device, executed with the possibility of assigning and storing at least the luminance and the display settings for a relatively light and dark ambient lighting conditions,
sensor, ambient light sensor, configured to provide a signal that indicates the current condition of the ambient light, which is mentioned processor can evaluate
the tool used to set the brightness settings and change the display settings,
these processor evaluates whether the conditions of the ambient light is bright or dark, and defines:
(a) if the first option, R is rashayda automatically change the current display settings;
(b) if the second option that enables automatic change of the current brightness setting;
(c) whether the current display settings and/or the current brightness setting device in contradiction with those that have been assigned and saved to evaluated the current condition of the ambient light,
and, if the definition (s) and at least one of the definitions (a) and (b) are positive,
the processor automatically modifies at least one current brightness setting and the current setting is displayed on the appropriate assigned or saved settings.

2. Portable navigation device according to claim 1, in which the brightness get through backlight illuminating to custom specified level.

3. Portable navigation device according to claim 1, in which the display settings for at least one condition of the ambient light contains at least one of the proper presentation and color scheme.

4. Portable navigation device according to claim 3, in which the color scheme includes a schematic representation of the sky in the daytime or night view, depending on whether the current condition of the ambient light is bright or dark.

5. Portable navigation device according to claim 1, in which the display settings with the keep color scheme, using brighter colors and the brightness level is relatively high, when the current ambient lighting conditions are bright.

6. Portable navigation device according to claim 1, in which the display settings include color scheme, use darker colors and the brightness level is relatively low, when the current ambient lighting conditions are dark.

7. Portable navigation device according to claim 3, in which the mentioned color scheme is stored as a plugin.

8. Portable navigation device according to claim 2, further configured to amendments to the current brightness through a gradual change in the levels of backlight from the current level backlight assigned to and stored level backlight.

9. Portable navigation device of claim 8, in which a gradual change in the levels of backlight contains a predetermined number of incremental transitions in the range from the level of the current backlight for the current display settings to the saved level backlight.

10. Portable navigation device according to claim 9, in which a certain number of transitions is equal to five.

11. Portable navigation device according to claim 1, in which the signal indicating the condition of the neighborhood is existing lighting, represents the signal from the light sensor.

12. Portable navigation device according to claim 11, further configured to buffering mentioned signal from the light sensor.

13. Portable navigation device according to item 12, in which the light sensor is located on the circuit Board navigation device.

14. Portable navigation device according to claim 1 in which the said signal indicating the conditions of the ambient light contains signal from the sensor headlights.

15. Portable navigation device 14, in which the said sensor headlights connects a wired connection with said navigation device directly or via its docking device.

16. Portable navigation device according to item 15, further configured to request confirmation from the user when performing docking/undocking mentioned navigation device.

17. Portable navigation device 14, in which the said sensor headlights connects wireless communication with said navigation device.

18. Portable navigation device according to claim 2, containing the display device with touch screen and back-lit light emitting diode.

19. Portable navigation device according to claim 1, further scanf generowanie with the ability to enable or disable at least one function mentioned navigation device when you change the display settings.

20. Portable navigation device according to claim 19, in which the mentioned at least one function includes one of: the star maps of interest points, the information related to the map elements or planned route, warnings about speed limits, warning interrupt movement, information about traffic, weather information, menu items and color schemes menu.

21. A way to automatically adjust the visibility of the display device is a portable navigation device, the method comprises the steps are:
assign and store at least adjust the brightness and display settings for a relatively light and dark ambient light conditions;
assess whether the signal representing the current condition of the ambient light is relatively bright or dark,
define
(a) if the first option that enables automatic changing the current display settings,
(b) if the second option that enables automatic change of the current brightness setting,
(c) whether the current display settings and/or the current brightness setting device in contradiction with those who have been appointed and save the us for estimated current conditions of ambient light,
and, if the definition (s) and at least one of the definitions (a) and (b) are positive,
the processor automatically modifies at least one current brightness setting and the current setting is displayed on the appropriate assigned or saved settings.

22. The method according to item 21, in which the brightness get through backlight illuminating to custom specified level.

23. The method according to item 21, wherein the display settings for at least one condition of the ambient light contains at least one of the proper presentation and color scheme.

24. The method according to item 23, in which the color scheme includes a schematic representation of the sky in the daytime or night view, depending on whether the current condition of the ambient light is bright or dark.

25. The method according to item 21, wherein the display settings contain a color scheme that uses more bright colors, and the brightness level is relatively high, when the current ambient lighting conditions are bright.

26. The method according to item 21, wherein the display settings include color scheme, use darker colors, and the brightness level is relatively low, when the current ambient lighting conditions are dark.

27. The method according to item 23, which referred to the color scheme I is stored as a plugin.

28. The method according to item 22, which further modify the current settings of brightness through a gradual change in the levels of backlight from the current level backlight assigned to and stored level backlight.

29. The method according to p, in which a gradual change in the levels of backlight contains a predetermined number of incremental transitions in the range from the level of the current backlight for the current display settings to the saved level backlight.

30. The method according to clause 29, in which a certain number of transitions is equal to five.

31. The method according to item 21, in which the signal indicating the condition of the ambient light is a signal from the light sensor.

32. The method according to p, which provide additional buffering mentioned signal from the light sensor.

33. The method according to item 21, which additionally provide the ability to enable or disable at least one function mentioned navigation device when you change the display settings.

34. The method according to p, in which the mentioned at least one function includes one of: the star maps of interest points, the information related to the map elements or planned route, warnings about speed limits, warning interrupt movement, information about DV the terms of transport, weather information, menu items and color schemes menu.



 

Same patents:

FIELD: information technology.

SUBSTANCE: navigation device has apparatus for digital processing of sounds and audible transmission thereof, memory which stores multiple data in form of text pointers and pre-recorded sounds, apparatus for transmitting data between the processor of the device and memory, an operating system for controlling processing and flow of data between the processor and memory, and determining whether said sounds are reproduced in an audible manner through repeated determination of physical conditions comparable with reference values built into the memory, so that satisfaction of the condition causes the device to generate a sound through the pre-recorded sounds stored on the device, or a sound which is digitally presented by a text to speech (TTS) program component by transmitting a text point to it, which corresponds to an event, a combination of the above said, wherein when determining the event which requires reproduction of sound by the TTS program component, the operating system invokes a set of options selected or marked by the device user during its configuration in order to determine the extent to which this event can be audibly indicated.

EFFECT: possibility of audible indication during enroute navigation of user-predefined information.

14 cl, 6 dwg

FIELD: instrument making.

SUBSTANCE: there introduced are adaptive modules and connections between them, which allow combining current data on road traffic, weather and time with information on driving habits of particular driver. This information is used during profile formation of particular driver. This driver profile is used for adaptation of navigation instructions. Submission of adaptive instructions to a particular driver can contribute to safer road traffic.

EFFECT: enlarging functional capabilities.

19 cl, 6 dwg

FIELD: physics.

SUBSTANCE: destinations of a trip are based on at least one of a prior and a likelihood based at least in part on the received input data. The destination estimator component can use one or more of a personal destinations prior, time of day and day of week, a ground cover prior, driving efficiency associated with possible locations, and a trip time likelihood to probabilistically predict the destination. In addition, data gathered from a population about the likelihood of visiting previously unvisited locations and the spatial configuration of such locations may be used to enhance the predictions of destinations and routes. The group of inventions make easier probabilistic prediction of destinations.

EFFECT: output of distributions of probabilities on destinations and routes of a user from observations on content and partial trajectories.

FIELD: physics.

SUBSTANCE: route guidance system includes: a unit for detecting current location; processing apparatus for compiling a list of strips which a list of strips (Ls1) taking into account connection between strips for groups of strips (from Lk1 to Lk3) in road junctions in the road list displaying area; processing apparatus for determining the visualisation region which determines whether the number of strips in the list of strips (Ls1) is greater than the number of strips in the display unit; and apparatus for processing and controlling the display region, which selects predetermined strips in a list of strips (Ls1) and displays selected strips only. Strips which may not be displayed can be deleted.

EFFECT: possibility of displaying a guide map on strips which takes into account connections between the strips, thereby preventing deterioration of visibility of the guide map.

4 cl, 21 dwg

FIELD: physics, navigation.

SUBSTANCE: invention relates to a vehicle navigation system. The navigation system includes a vehicle, an information display (40) fitted in the vehicle, a portable GPS unit (10) and an interface (30) for transmitting data between the portable GPS unit and the information display fitted in the vehicle. The information display (40) is mounted on the vehicle and is visible to the driver. The portable GPS unit (10) includes a GPS sensor for determining location of the GPS unit and a portable information display (20). The portable GPS unit (10) is fitted in a positioning unit in the vehicle such that the portable information display is visible to the driver. Data from the portable GPS unit (10) can be displayed on the information display fitted in the vehicle. In the first version, the portable GPS unit (10) includes a central processing unit (15) for storing several locations. The information display (40) fitted in the vehicle and the portable information display (20) display different information on location of the GPS unit relative the stored locations. An input device (50) is designed for transmitting a signal from the portable GPS unit (10) through the data transmission interface (30). The input device (50) is fitted as an alternative solution on the information display (40) fitted in the vehicle or is fitted such that the driver can operate it without taking hands off vehicle control elements. The input device (50) is designed for transmitting a signal to the portable GPS unit (10) for storing the location of the GPS unit in the central processing unit (15). In the second version, the information display (40) fitted in the vehicle displays data from the portable GPS unit (10) when receiving data from the data transmission interface (30) and displays data from a sensor fitted in the vehicle when the data transmission interface (30) and the portable GPS unit (10) are interrupted.

EFFECT: easy vehicle control.

31 cl, 6 dwg

FIELD: physics; navigation.

SUBSTANCE: invention relates to navigation equipment of vehicles. The proposed navigation device can display directions on a display, receive a video signal from a camera and display a combination of the image from the camera and directions on the display. The device, which is a portable navigation device, includes a built-in camera. The device can provide an option from the menu which enables the user to regulate relative position of the displayed image from the camera with respect to the directions.

EFFECT: using the proposed device, instructions which can be quickly and easily interpreted are displayed for the user.

15 cl, 12 dwg

FIELD: physics; measurement.

SUBSTANCE: invention relates to portable navigation systems particularly for installation in an automobile. The portable personal navigation device is programmed with possibility of linking any function, related to a basic set of functions, with a non-overlapping input sensory area, which is sufficiently large for reliable activation by touching with a finger. The invention is based on understanding that, a set of basic functions can be identified, and can then be reliably selected/activated by touching the input sensory area with a finger, where the input sensory area is sufficiently large for reliable activation. This is especially preferable for a navigation device installed in an automobile, in which the basic functions are those functions which are likely to be activated by the driver when driving the automobile.

EFFECT: design of a portable navigation device with a non-overlapping input sensory area, which is sufficiently large for reliable activation by touching with a finger.

18 cl, 4 dwg

FIELD: physics, measurement.

SUBSTANCE: device of information provision enables relevant confirmation of information content which facilitates movement of moving object and is represented by image display unit, even in conditions of vibration affecting image display unit at a level not lower than given value. Equipment includes image display unit mounted in vehicle and allowing display of information facilitating movement of vehicle, vibration sensor detecting vibration equal or exceeding specified level applied to image display unit, and transmitting detection output signal, and operation control unit modifying display mode for information presenting image display by image display unit into information including data content which can be recognised if detection output signal of vibration sensor indicates than image display unit is affected by vibration equal or exceeding specified level for time period longer or equal to specified period.

EFFECT: device of information provision enabling relevant confirmation of information content, facilitating movement of moving object.

8 cl, 6 dwg

FIELD: physics, measurement.

SUBSTANCE: device of information provision enables relevant confirmation of information content which facilitates movement of moving object and is represented by image display unit, even in conditions of vibration affecting image display unit at a level not lower than given value. Equipment includes image display unit mounted in vehicle and allowing display of information facilitating movement of vehicle, vibration sensor detecting vibration equal or exceeding specified level applied to image display unit, and transmitting detection output signal, and operation control unit modifying display mode for information presenting image display by image display unit into information including data content which can be recognised if detection output signal of vibration sensor indicates than image display unit is affected by vibration equal or exceeding specified level for time period longer or equal to specified period.

EFFECT: device of information provision enabling relevant confirmation of information content, facilitating movement of moving object.

8 cl, 6 dwg

FIELD: physics; measurement.

SUBSTANCE: invention relates to portable navigation systems particularly for installation in an automobile. The portable personal navigation device is programmed with possibility of linking any function, related to a basic set of functions, with a non-overlapping input sensory area, which is sufficiently large for reliable activation by touching with a finger. The invention is based on understanding that, a set of basic functions can be identified, and can then be reliably selected/activated by touching the input sensory area with a finger, where the input sensory area is sufficiently large for reliable activation. This is especially preferable for a navigation device installed in an automobile, in which the basic functions are those functions which are likely to be activated by the driver when driving the automobile.

EFFECT: design of a portable navigation device with a non-overlapping input sensory area, which is sufficiently large for reliable activation by touching with a finger.

18 cl, 4 dwg

FIELD: physics; navigation.

SUBSTANCE: invention relates to navigation equipment of vehicles. The proposed navigation device can display directions on a display, receive a video signal from a camera and display a combination of the image from the camera and directions on the display. The device, which is a portable navigation device, includes a built-in camera. The device can provide an option from the menu which enables the user to regulate relative position of the displayed image from the camera with respect to the directions.

EFFECT: using the proposed device, instructions which can be quickly and easily interpreted are displayed for the user.

15 cl, 12 dwg

FIELD: physics, navigation.

SUBSTANCE: invention relates to a vehicle navigation system. The navigation system includes a vehicle, an information display (40) fitted in the vehicle, a portable GPS unit (10) and an interface (30) for transmitting data between the portable GPS unit and the information display fitted in the vehicle. The information display (40) is mounted on the vehicle and is visible to the driver. The portable GPS unit (10) includes a GPS sensor for determining location of the GPS unit and a portable information display (20). The portable GPS unit (10) is fitted in a positioning unit in the vehicle such that the portable information display is visible to the driver. Data from the portable GPS unit (10) can be displayed on the information display fitted in the vehicle. In the first version, the portable GPS unit (10) includes a central processing unit (15) for storing several locations. The information display (40) fitted in the vehicle and the portable information display (20) display different information on location of the GPS unit relative the stored locations. An input device (50) is designed for transmitting a signal from the portable GPS unit (10) through the data transmission interface (30). The input device (50) is fitted as an alternative solution on the information display (40) fitted in the vehicle or is fitted such that the driver can operate it without taking hands off vehicle control elements. The input device (50) is designed for transmitting a signal to the portable GPS unit (10) for storing the location of the GPS unit in the central processing unit (15). In the second version, the information display (40) fitted in the vehicle displays data from the portable GPS unit (10) when receiving data from the data transmission interface (30) and displays data from a sensor fitted in the vehicle when the data transmission interface (30) and the portable GPS unit (10) are interrupted.

EFFECT: easy vehicle control.

31 cl, 6 dwg

FIELD: physics.

SUBSTANCE: route guidance system includes: a unit for detecting current location; processing apparatus for compiling a list of strips which a list of strips (Ls1) taking into account connection between strips for groups of strips (from Lk1 to Lk3) in road junctions in the road list displaying area; processing apparatus for determining the visualisation region which determines whether the number of strips in the list of strips (Ls1) is greater than the number of strips in the display unit; and apparatus for processing and controlling the display region, which selects predetermined strips in a list of strips (Ls1) and displays selected strips only. Strips which may not be displayed can be deleted.

EFFECT: possibility of displaying a guide map on strips which takes into account connections between the strips, thereby preventing deterioration of visibility of the guide map.

4 cl, 21 dwg

FIELD: physics.

SUBSTANCE: destinations of a trip are based on at least one of a prior and a likelihood based at least in part on the received input data. The destination estimator component can use one or more of a personal destinations prior, time of day and day of week, a ground cover prior, driving efficiency associated with possible locations, and a trip time likelihood to probabilistically predict the destination. In addition, data gathered from a population about the likelihood of visiting previously unvisited locations and the spatial configuration of such locations may be used to enhance the predictions of destinations and routes. The group of inventions make easier probabilistic prediction of destinations.

EFFECT: output of distributions of probabilities on destinations and routes of a user from observations on content and partial trajectories.

FIELD: instrument making.

SUBSTANCE: there introduced are adaptive modules and connections between them, which allow combining current data on road traffic, weather and time with information on driving habits of particular driver. This information is used during profile formation of particular driver. This driver profile is used for adaptation of navigation instructions. Submission of adaptive instructions to a particular driver can contribute to safer road traffic.

EFFECT: enlarging functional capabilities.

19 cl, 6 dwg

FIELD: information technology.

SUBSTANCE: navigation device has apparatus for digital processing of sounds and audible transmission thereof, memory which stores multiple data in form of text pointers and pre-recorded sounds, apparatus for transmitting data between the processor of the device and memory, an operating system for controlling processing and flow of data between the processor and memory, and determining whether said sounds are reproduced in an audible manner through repeated determination of physical conditions comparable with reference values built into the memory, so that satisfaction of the condition causes the device to generate a sound through the pre-recorded sounds stored on the device, or a sound which is digitally presented by a text to speech (TTS) program component by transmitting a text point to it, which corresponds to an event, a combination of the above said, wherein when determining the event which requires reproduction of sound by the TTS program component, the operating system invokes a set of options selected or marked by the device user during its configuration in order to determine the extent to which this event can be audibly indicated.

EFFECT: possibility of audible indication during enroute navigation of user-predefined information.

14 cl, 6 dwg

FIELD: instrument making.

SUBSTANCE: colour pattern and screen content of a navigation device monitor are assessed and generated. At the same time it is defined at least for one specified condition of the surrounding lighting, monitoring and evaluation of a signal that specifies conditions of the surrounding lighting, whether display settings are used for current conditions of the surrounding lighting, and, if required, changes are made to display settings, so that they correspond to current conditions of the surrounding lighting.

EFFECT: expansion of functional capabilities.

34 cl, 9 dwg

FIELD: instrument making.

SUBSTANCE: signals of interruption of audiopresentation are received in one of the versions of the method's implementation. At that, interruption command is executed on the basis of commands supplied immediately from navigation device in response to interruption signals reception. When this operation is being performed, audiorepresentation interruption state is maintained. Therefore, there is the possibility of resetting the state of audiorepresentation process after each interruption command supplied immediately from navigation device.

EFFECT: enlarging functional capabilities.

12 cl

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