Full spectrum led illuminator
SUBSTANCE: invention relates to lighting engineering. Device for outputting light to a light guide to illuminate an imaged object comprises a plurality of solid-state light-emitting sources, each independently supplied with energy, independently controlled and emits light at wavelength, different from wavelengths emitted by other light-emitting sources. Device also includes a heat sink configured for thermal coupling of plurality of solid-state light-emitting sources and conduction of heat formed by plurality of solid-state light-emitting sources, optical elements intended for collection, collimation and combination of radiation from plurality of solid-state light-emitting sources into a combined light beam, intended for optical coupling with light guide.
EFFECT: higher illumination brightness with full spectrum of visible radiation.
4 cl, 4 dwg
SUBSTANCE: invention is referred to the sphere of lighting systems and optical receivers, and more specifically to the detection of data introduced into a light flux (output) of lighting systems. The invention suggests a system for the method detecting the first repeated sequence out of N symbols included into the first code, at that the first code is introduced into the light flux of the first light source of the lighting system, wherein the sequence contains at least N frames, and each frame out of at least N different frames is received with the total time of exposure containing one or more instants of the exposure, at that in each frame out of N different frames one or more instants of the exposure are in different time positions in regard to the first repeated sequence out of N symbols. The system contains a chamber to receive sequences of scene images through certain structures of an open/close state of the gate and a processing module to process the received sequence of images and to detect the repeated sequence out of N symbols.
EFFECT: development of the system for detecting data introduced into the light flux with high-frequency invisible modulation using standard commercial cameras in mobile telephones or web-cameras.
15 cl, 12 dwg
SUBSTANCE: invention is referred to interactive illumination, specifically to control and creation of light effects such as regulation of light scenes based on position indication received from the input device, and more specifically to system and method for interactive illumination control in order to control and create light effects using position indicator. The main idea of this invention consists in provision of control over interactive illumination by combined indication of a position and approach of controlled light effects for illumination control in order to perfect creation of light effects such as regulation of light scenes, in particular scenes with large and heterogeneous infrastructures of illumination. One of the invention embodiments is referred to interactive illumination control system (10), which comprises interface (12) intended for receipt of data (14) specifying actual position (16) in real environment from input device (18) adapted for detection of position in the real environment by position pointing and receipt of data related to light effect (32), which is desired in the real position, and light effect controller (20) intended to convert actual position into virtual-type position of the real environment and to identify light effects available in virtual position.
EFFECT: control of interactive illumination and creation of light effects.
14 cl, 7 dwg
SUBSTANCE: illumination device comprises a metal element 1, light-emitting device 2, on-off switch 3, low-voltage source 4 (accumulator-based), resistor 5, the first and second diodes 6, 7. An anode of the first diode 6 and a cathode of the second diode 7 are jointed and connected to the metal element 1. The metal element 1 should be rather made of tin with the surface area of at least 20 square centimetres. Additional charging of accumulators for a low-voltage source 4 feeding the light-emitting device 2 is made by energy generated during the rectification of electric oscillations occurring as a result of the heat motion of the metal element 1 particles.
EFFECT: development of a universal mobile portable and durable energy-saving illumination device with a long-term continuous operation.
5 cl, 1 dwg
SUBSTANCE: invention relates to lighting engineering. Systems, networks, devices and methods for development, implementation and sharing of lighting circuits between controllable lighting networks are described. The network (101, 601, 701, 801, 808) according to the invention keeps the lighting circuits developed for network in the remote data storage (802). Other networks (301) address remote data storages for selection of existing circuits for implementation. Also the systems, networks, devices and methods for sharing by user choice between the controllable lighting networks are described. The networks according to the invention can get access to the shared remote data storage (112) for identification of user preferences at detection of a user by sensors in the network. In essence, individual lighting networks can use known user preferences or trained behaviours and environment conditions for more efficient adaptation to such behaviour, preferences or conditions.
EFFECT: improvement of efficient control of lighting.
15 cl, 13 dwg, 1 tbl, 1 ex
SUBSTANCE: invention is referred to lighting devices and control of the lighting devices operation. The result is attained due to the fact that each node out of a multitude of electric fixture nodes in the group of electric fixture nodes connected electrically may be used at a rated power level of a device; current consumption may be detected at least in the tested node of lighting fixtures out of the nodes of lighting fixtures; and the degree of reduced power for each node of lighting fixtures may be defined as a function of current consumption in the tested node of lighting fixtures.
EFFECT: invention ensures selective use of a group of lighting fixture nodes at a reduced power level in order to prevent an overload of the supply circuit and/or overload of one or more nodes of lighting fixtures in the group of the lighting fixture nodes.
21 cl, 3 dwg
SUBSTANCE: invention refers to lighting engineering. The lighting system (100) contains many lighting fixtures (101a-d). Each lighting fixture is made with possibility to transmit the identification code ID in the emitted light. To guarantee sufficient registration of the identification codes during selection using the selection device (120) the system additionally contains a control unit (130), made with possibility to identify any lighting fixture which rated excitation is equal pr below the minimum pre-set value or is equal or above the maximum pre-set value. The control unit sets (or commands to excitation system to set) the rated excitation value of such identified lighting fixture to the set value to achieve the appropriate set light output of the lighting fixture ensuring signal sufficient to transmit the identification code ID.
EFFECT: increased efficiency of the light sources control.
11 cl, 7 dwg
SUBSTANCE: invention relates to lighting units. The light source 1 has LED module 2, at least, with one series circuit of light-emitting diodes. Terminals of the module 2 are connected to terminals of the power supply 5 which is stabilised by the output current. The power of the module 2 is greater than the power of the light source, and on separate light-emitting diodes the bridging pieces 6 are installed. Light-emitting diodes can be placed along the module surface and are connected in several series circuits, connected to each other in parallel, so that each light-emitting diode of one circuit has corresponding light-emitting diodes symmetric to it in other circuits, their similar terminals are unipotential and can be connected to each other. The light source power is regulated by switching on the ready LED module, without any changes in the light source.
EFFECT: simplification of regulation of the light source power.
5 cl, 4 dwg
FIELD: physics, control.
SUBSTANCE: invention relates to controlling the level of light in building illumination. The result is achieved due to that the level of light is controlled by a control system (2), which is operably linked to at least one interior sensor (3) for detecting the interior level of light; at least one electric light control device (4); at least one window drapery control device (5) for controlling the allowable level of daylight; and a processing unit (7) for processing given control values, which include a given value of the interior level of light. The level of electric light and the allowable level of daylight are controlled concurrently by the electric light control device and the window drapery control device.
EFFECT: providing an automatic power-saving system for controlling building illumination.
10 cl, 10 dwg
SUBSTANCE: invention relates to lighting engineering. Lighting device (2) is made with possibility of light quality data inclusion in the light emitted by the lighting device. The light quality data relate to state of the lighting device (2), for example to end of its k service life. Light can be detected by the control device (3) being external for the lighting device (2). The control device (3) can further help in determination of the lighting device (2) state, as result the current maintenance operations for the lighting device (2) can be made. So, the servicing personnel can replace the lighting devices and/or light sources requiring maintenance according to state indication of each lighting device before any lighting device of the system will achieve its service life.
EFFECT: increased quality of the emitted light due to more accurate determination of the light source state.
8 cl, 5 dwg
SUBSTANCE: LED radiator circuit is added by N keys and the ring impulse generator having N outputs, each of which is connected to the control inputs of keys, and cathodes of each of N light-emitting diodes through power electrodes of keys are connected to the negative output pole of the driver. The use of keys 4.1, 4.2, … 4.N and the ring impulse generator 3 ensures reliable functioning of the offered LED radiator when using only one driver that will significantly reduce its cost.
EFFECT: improvement of reliability of LED radiator and reduction of its cost.
FIELD: measurement equipment.
SUBSTANCE: complex is designed to monitor and measure parameters of thermal imagers. The complex comprises a lens, a replaceable test object located in a focal plane of the lens, a background emitter, located behind the test object and equipped with an actuating element, a control device, the outlet of which is connected to the actuating element of the background emitter, a temperature processor, the outlet of which is connected to the inlet of the control device, a device to measure test object temperature, the outlet of which is connected to the first inlet of the temperature processor. The replaceable test object is arranged as mirror and is installed at the angle to the axis of the lens, providing for reflection along the axis of the lens of infrared radiation flow, arriving to the test object from the additionally introduced reference radiator, equipped with a device of temperature measurement of the reference radiator, the outlet of which is connected to the second inlet of the temperature processor. Additionally the first and second devices are introduced to measure temperature of the background radiator, the outlets of which are connected accordingly to the third and fourth inlets of the temperature processor.
EFFECT: increased accuracy of contrast radiation level maintenance.
2 cl, 1 dwg
FIELD: physics, optics.
SUBSTANCE: invention relates to collimators which can be used to illuminate liquid crystal screens. The collimator is in the form of a wedge-like optical waveguide having a first end and a second end opposite to the first end. The first end is thinner than the second end. The collimator also has a visible surface passing at least in part between the first end and the second end, and a back surface opposite the visible surface. The visible surface has a first critical angle, and the back surface is configured to be reflective below the first critical angle. Furthermore, an end reflector, having a polyhedral (faceted) lens, is placed at the second end of the optical waveguide.
EFFECT: reduced overall dimensions of the collimator.
15 cl, 10 dwg
FIELD: measurement equipment.
SUBSTANCE: autocollimator may be used for measurement of rotation angles relative to two axes orthogonal to autocollimator lens axis using one CCD-ruler. Autocollimator includes optical system of autocollimating mark image formation based on source of radiation, located in sequence condenser, mark, beam splitter and lens, photodetector in the form of CCD-ruler with control system including sync-pulse generator, and system for processing of videosignals from low-pass filter, video pulse former and video pulse fronts former, and unit of data processing. Mark and photodetector are installed in lens focal plane. Introduced series-connected are selector, peak detector, subtractor and power amplifier. Selector input is connected to low-pass filter output, and power amplifier output is connected to radiation source. Mark is designed as a set of continuous bars forming three horizontal zones, medium of which is designed from at least one vertical bar and at least one inclined side bar. Bars height is equal to zone height, horizontal sections of mark in various zones differ by quantity of bars sections or their mutual arrangement.
EFFECT: improving accuracy, compactness and reliability.
5 cl, 3 dwg
SUBSTANCE: system comprises a laser beam source (1), a laser beam collimator (2) and a focusing device (3). An optical element (5) is placed between the collimator and the focusing device (3) and is designed to branch the system for distributing the laser beam power in a first direction at an angle to the axis of the collimated laser beam. In the system according to a first version, a bifocal element (6) is placed either between the optical element (5) and the collimator (2) or between the optical element (5) and the focusing device (3). In a second version, a bifocal element (6) is placed between the collimator (2) and the focusing device (3).
EFFECT: homogeneity of power distribution of laser radiation in the welded area.
22 cl, 9 dwg
FIELD: physics, optics.
SUBSTANCE: objective lens can be used for operation in a visual and short IR wavelength range. The objective lens of the collimator contains a primary mirror, the first surface (along the radiation path) of which is has a reflecting coating, the secondary mirror with a reflecting coating on a ring peripheral part, and the reflecting surfaces of mirrors are faced to each other, two-lens optical element placed behind the primary mirror from the side of the image space and consisting along the beam path from a single negative lens, facing with concave surface towards the image space, and a single biconvex lens. The primary and secondary mirrors are designed as continuous parallel plate plates, on the primary mirror the reflecting coat is applied on its central zone, the peripheral part is transparent. On the first from the side of the surface subject in the central zone of the secondary mirror the test object designed as a transparent mark or cross-hair against the opaque background is located.
EFFECT: increase of focal distance, of diameter of output pupil for the simplified design and improved manufacturability with keeping of high quality of the image.
1 dwg, 2 tbl
FIELD: instrument making.
SUBSTANCE: invention relates to collimator lenses, operating in medium IR-range of wavelengths (for spectral range from 3 to 5 mcm) and may be used in thermal imaging collimators or in receiving thermal imaging lenses (in return flow of beams) in different devices. The collimator lens comprises three components, besides, the first component along the travel of the beams is made in the form of a mirror, facing with a bulge to the plane of objects, the second component is made in the form of a single negative meniscus lens with a hole in the centre, facing with a bulge towards the plane of objects, besides, its concave surface has a mirror inner coating and it is arranged between the first component and the plane of objects, and the third meniscus lens facing with a bulge to the image and arranged between the first component and the image, the second and third components are made of zinc selenide, and in the first component the mirror coating is applied onto the convex surface of the mirror. Besides, the radius of the spherical optical reflecting surface of the mirror of the first component by modulus is equal to the radius of the convex surface of the third component.
EFFECT: increased relative hole, increased focus distance at simplified design, higher manufacturability and high quality of an image.
2 cl, 1 dwg, 2 tbl
SUBSTANCE: device has an illuminator, a condenser, a master spatial filter, an analysing spatial filter and a receiver-recording unit. The master and analysing spatial filters are superimposed and are in form of a symmetrical mirror mark deposited on a thin plane-parallel optical plate. The geometric centre of the mark is superimposed with the intersection point of optical axes of the illuminator and the receiver-recording unit. The plate is arranged such that its flat surface with the deposited symmetrical mirror mark makes different angles with optical axes of the illuminator and the receiver-recording unit.
EFFECT: high accuracy of controlling the shape of surfaces of optical components and simple adjustment of the control scheme due to structural superposition of the master and analysing spatial filters.
SUBSTANCE: device has radiating and observation channels that are merged by a beam-splitter prism which turns the beam path of the radiating channel by an angle of 90°. A lens enters both the radiating channel, having a grid with a cross which is illuminated with a light source, e.g. a light-emitting diode, and the observation channel, having an eyepiece and a second grid standing between said eyepiece and the beam-splitter prism. The lens lies on the same axis with the eyepiece and has discrete variation of focal distance from two optical elements with possibility of moving from light rays the second optical element on the beam path of the observation channel. Focal distance during combined operation of the two optical elements is at least twice shorter than during operation of the first optical element. Each optical element is made from multiple separate components.
EFFECT: design of a device with focal distance of the lens and visible magnification of the observation channel suitable for fast preliminary aiming at an object, and with a long focal distance of the lens and visible magnification of the observation channel suitable for quality final aiming at an object and high accuracy of measurement and adjustment.
4 cl, 1 dwg, 4 tbl
SUBSTANCE: collimator has a lens, a test object lying in the focal plane of the lens and a test object illuminating system. The test object is a system of conductors that are connected to a stabilised current source and form at least one cross in the field of view. The illumination system is a transparent plate with a dull central area, lying immediately behind the test object and illuminated by a source of visible light, e.g. a light-emitting diode. The cross in the field of view projects beyond the boundary of the dull area. Each of the conductors of the test object can be connected to its own section of the stabilised current source, said sections having no galvanic coupling.
EFFECT: providing the required spectral brightness of the test object in strongly spread spectral ranges, high accuracy of adjusting or controlling parallelism of two or more systems that are combined into a system.
2 cl, 4 dwg
SUBSTANCE: collimating optical system has a lens and two rectangular prisms arranged in series on a beam path. The edges of the refracting dihedral angles of the prisms are directed perpendicular to the plane of the semiconductor junction. The refracting angles of the prism are the same and are selected in the range of 20…42°, α is the angle of incidence of radiation beams on the prism and β is the refracting angles of the prism, selected based on the relationship: where n is the refraction index of the material of the prism. The focal distance of the lens F is selected based on the relationship where φ is the required radiation divergence; a|| is the size of the emitting region of the semiconductor laser in a plane which is parallel to the plane of the semiconductor junction.
EFFECT: reduced size of optical-electronic devices using semiconductor laser radiation while preserving quality.
SUBSTANCE: geodetic prism is designed as a conical groove which is located on flat surface of a sample and has smoothed edges. The groove axis is parallel to the sample surface and is perpendicular to the direction of distribution of the surface plasmon polaritons (SPP). The groove size in the beam direction is less than the length of SPP distribution. The groove axis is located over the sample surface, and the groove edges coincide with rectilinear parts of the line of crossing of the sample surface and the groove cone surface.
EFFECT: improvement of efficiency and decrease of device dimensions.