Powered ophthalmic lens with smartphone events sensor

FIELD: optics.

SUBSTANCE: invention relates to contact lenses for eyes, equipped with electronic display means. For this purpose, ophthalmic contact lens comprises mechanism for notifying the user of smartphone event, providing first functionality to powered ophthalmic contact lens and receiver, capable of wirelessly receive of smartphone event data from preset smartphone source electrically coupled with mechanism of notification. Besides, the lens has conducting tracks, electrically connecting notification mechanism and receiver, and soft part of lens to encapsulate notification mechanism and receiver. Notification mechanism comprises vibration device to provide mechanical motion felt by user.

EFFECT: technical result is enabling user to get notification of smartphone event using powered ophthalmic contact lens.

19 cl, 7 dwg

 



 

Same patents:

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to wireless communication systems. The invention describes an arrangement method of wireless communication, which involves connection established by the device to an access point, detection of location of the access point, determination of accuracy of the determined location of the access point, and as a result of determination of the fact that more accurate location of the access point is found in comparison to the earlier saved location of the access point, update of information on the detected location in a data base of locations in the device.

EFFECT: improvement of accurate determination of location.

20 cl, 8 dwg

FIELD: radio engineering, communication.

SUBSTANCE: radio communication devices (1, 2) communicate using a plurality of frequency bands. The radio communication device (1) transmits a control message to the radio communication device (2) using a first frequency band, said message including identification information indicating a second frequency band different from the first frequency band, during a random access procedure. The radio communication device (2) receives the control message from the radio communication device (1) using the first frequency band and transmits data using the second frequency band with said identification information included in the control message.

EFFECT: efficient control of use of a plurality of frequency bands.

4 cl, 31 dwg

FIELD: physics, communications.

SUBSTANCE: invention relates to wireless communication networks and is intended to detect the physical change of the exterior of a network node module which is part of a network node. According to the invention the network node module (19) comprises a movement detector (20) configured to detect movement between a male element and a corresponding female element, where the network node module comprises one of the elements and both elements are required for obtaining an operative network node, and a control unit (24) configured to generate an indication of a physical change of the network node module based on the detected movement.

EFFECT: detecting physical change of the exterior of a network node module which is part of a network node.

23 cl, 13 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a system including a basic station and a retransmission station connected to the basic station. A mobile communication system includes at least one upper radio station (1) and the retransmission station (2). The retransmission station (2) performs a radio relay operation between the lower radio station (3) and the upper radio station (1). The retransmission station (2) has a possibility, when the connection to the first upper radio station included in connection configuration information pointing at the upper radio station to which the retransmission station (2) shall be connected, is unsuccessful, of being connected to the second upper radio station differing from the first upper radio station and notifying the network (4 and 5) of notification information through the second upper radio station; with that, the notification information specifies that connection to the first upper radio station is unsuccessful.

EFFECT: technical result consists in the simplification of adjustment of information on the configuration of connection to the above system based on connection configuration information.

22 cl, 23 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a wide-band wireless access system. A method for a mobile station to make a choice of the range in a wide-band wireless access system involves the following stages: transfer of the first code of a preamble of selection of the range for requesting of selection of the range to the basic station through the first possibility of selection of the range of the first frame, and if the first message is received from the basic station before the timer elapses, which indicates time limit, with that, the first message including a response to the first code of the preamble of selection of the range is transmitted during a limited period of time, and it is determined, whether a successful request for selection of the ranged was made by means of the first message or not.

EFFECT: effective selection of a range.

9 cl, 13 dwg, 3 tbl

FIELD: electricity.

SUBSTANCE: invention is referred to methods and structures in wireless communication system that supports aggregation of carrier frequencies and containing radio base station configured to translate system information in at least two cells. Method for user equipment contains receipt stage (410) of configuration information from the radio base station for aggregation of at least two cells, identification stage (420) of the first of at least two cells based on the configuration rule setting that at least the first cell out of two has status differing from status of the remaining cells, and reading stage (430) for translated system information only in the identified cell. The method may also contain stage of compliance with conditions (440) for one parameter or more parameters received from the read system information.

EFFECT: provision of a flexible solution to use system information translated in the multitude of cells in wireless communication system that supports aggregation of carrier frequencies.

20 cl, 13 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to communication systems. The volume of wireless communication between a relay station and a base station is reduced in order to improve the quality of communication, which is the technical result. A wireless communication system includes a relay station, a first radio base station, second radio base stations and a mobile station. The relay station is wirelessly connected to the first radio base station and communicates with the second radio base stations through the first radio base station. When the relay station communicates with the second radio base stations, the relay station requests the first radio base station to communicate with the second radio base stations for the relay station. The requested first radio base station communicates with the second radio base stations for the relay station and transmits the communication result to the relay station.

EFFECT: high quality of communication.

4 cl, 19 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio communication. The technical result is that the invention enables a time division duplex (TDD) terminal and a frequency division duplex (FDD) terminal to perform TDD and FDD carrier aggregation. Provided is a carrier aggregation method which includes: a mobile terminal which establishes a connection receives carrier aggregation control information from a base station, which contains carrier frequency identifiers, and configuration information of a radio communication device of receiver carrier frequency for downlink carrier aggregation; the mobile terminal acknowledges the receiver carrier frequency according to the carrier frequency identifiers and configuration information of the radio communication means.

EFFECT: invention also discloses a corresponding base station, a corresponding mobile terminal and a carrier aggregation system consisting of a base station and a mobile terminal.

16 cl, 3 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to acoustic authentication devices for recording in a wireless network. An unauthorised wireless device emits an audible acoustic secret code of unique identification (for example a personal identification number (PIN code)). In some implementations the user hears an acoustic code and enters it manually through the user interface for recording in the network. In other implementations a network authorisation device automatically receives the acoustic code and checks the code authenticity. If authenticity check is successful, the wireless device is recorded in the wireless network.

EFFECT: technical result consists in the improvement of ergonomic recording in a protected wireless network.

15 cl, 3 dwg

FIELD: measurement equipment.

SUBSTANCE: invention relates to portable field tools for maintenance. A tool (52, 102) comprises, without limitation, a module (121) of protocol of wireless communication of a technological process configured with the possibility to maintain communication in accordance with the protocol of wireless communication of technological process. The tool (52, 102) also includes a display (120) and an input device (122). A controller (130) is connected with a module of protocol of wireless communication of technological process, the display (120) and the input device (122). The controller (130) is configured with the possibility of processing a map on a display (120), showing the position of the portable field device (52, 102) relative to at least one facility, such as a field device (22, 23, 104). The controller (130) is additionally configured as capable to determine position of the portable field device (52, 102) for maintenance by means of triangulation using wireless communication of technological process with a row of available field devices (104) with fixed position.

EFFECT: more accurate determination of location of a field device due to mutual use of GPS and triangulation.

32 cl, 8 dwg

FIELD: physics, optics.

SUBSTANCE: correcting optical lens, adapted to move together with the eye of the user and change the refracting power thereof, comprises a first radial optical area having a first refracting power which, coupled with the refracting power of the eye of the user, results in a first effective refracting power which rises as the radius of the first radial optical area increases, and a second radial optical area having a second refracting power which, coupled with the refracting power of the eye of the user, results in a second effective refracting power which falls as radius of the second radial optical area increases. The first effective refracting power is greater than the second effective refracting power. The dimensions and refracting power of the first and second radial optical areas are intended to weaken visibility of defocused radiation for the user.

EFFECT: eliminating or minimising visibility of ghost images through control of the sign of spherical aberration or other asphericity which depends on a specific area.

20 cl, 9 dwg

FIELD: physics, optics.

SUBSTANCE: contact lens is stabilised by development of design parameters of at least one of stabilising zones. Said zone is perfected by description of lens structure parameters by mathematical definitions, simulation of lens structure with the help of model that features the balance of moments of motions and selection of structure proceeding from the results of said simulation. At least one of stabilising zones is defined by one or more parts of variable depth in every stabilising zone. Maximum depth of at least one said stabilising zone makes 0.010-0.060 mm.

EFFECT: better stabilisation.

7 cl, 12 dwg, 4 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to organosilicon prepolymers, containing fragments, which absorb ultraviolet (UV) radiation. Claimed is an actinically cross-linkable polymer, which contains cross-linkable polysiloxane polymer units, formed from one or several hydrophilic vinyl monomers, and double photofunctional polymer units, formed from a polymerisable compound, containing an ethylene-unsaturated group, a photoinitiating fragment and a fragment, absorbing UV-radiation, or a latent fragment, absorbing UV-radiation. Soft silicone hydrogel contact lenses, manufactured from the claimed prepolymer, are also claimed.

EFFECT: it is possible to manufacture the high-quality contact lenses with low expenditures, providing high homogeneity and reproducibility of an initial lens shape.

14 cl, 16 ex

FIELD: medicine.

SUBSTANCE: invention refers to transparent silicone hydrogels. What is presented is silicone hydrogel prepared by polymerisation of mixture of monomers containing (a) 30-98 wt % of at least one silicone (meth)acrylamide monomer and (b) 1-50 wt % of at least one non-silicone (meth)acrylamide monomer containing two or more hydroxyl groups in its molecule; wherein weight percentage is calculated from a total amount of monomer and polymer components in the monomer mixture, and a total amount of monomers (a) and (b) makes 90 wt % or more in relation to the total amount of the monomer and polymer components in the monomer mixture. There are also presented a medical device, an ophthalmic lens and a contact lens made of the above silicone hydrogel.

EFFECT: presented silicone hydrogel has the high content of acrylamide monomer and the excellent balance of humidity, elasticity, wetting ability and transparency, and is applicable to produce lenses having the excellent characteristics.

19 cl, 4 tbl, 27 ex

FIELD: physics, optics.

SUBSTANCE: displaceable presbyopic contact lens comprises an optical zone, a lens portion surrounding the optical zone, a conical portion surrounding the lens portion from the outside to the edge of the contact lens and pseudotruncation which is asymmetrical about the vertical meridian. The point where the optical zone borders with the lens portion is an optical-lens boundary. The point where the lens portion borders with the conical part is a lens boundary of the edges of the cone. The structure of the lens surface is defined by the equation: T3=T1+(T2-T1)*(Sin ((P3-P1)/(P2-P1) *90))n , where P1 is the distance from the centre of the lens to the optical-lens boundary, T1 is the thickness of the optical lens boundary, P2 is the distance from the centre of the lens to the lens boundary of the edges of the cone, T2 is the thickness of the lens boundary, P3is an arbitrary point on the contact lens located between and including P1 and P2, and T3 is the thickness defined at point P3.

EFFECT: facilitating displacement of the lens owing to its support on the lower lid and more comfort when wearing the lens.

6 cl, 7 dwg

FIELD: physics, optics.

SUBSTANCE: contact lens comprises an optical zone, a peripheral zone surrounding the optical zone, a front surface and a back surface having movement elements thereon. The movement elements are dimples. The dimples are spaced apart such that their centres are 300-400 mcm apart. The dimples have a depth between 20 mcm and 30 mcm and a diameter between 100 mcm and 300 mcm.

EFFECT: improved lens movement.

7 cl, 4 dwg

FIELD: physics, optics.

SUBSTANCE: lens comprises an optical portion having a central vision region and a peripheral region and extending from the centre of the lens to the outer periphery, and a carrier portion connected to the outer periphery of the optical portion by a blending zone and extending from the outer periphery of the optical portion to the outer periphery of the carrier portion. The has an optical power distribution that creates on-axis and off-axis myopic defocus to reduce or remove on-axis and off-axis defocus created by the optical system of the eye of a patient wearing the lens. On-axis and off-axis defocus is created by increasing positive optical power for light rays passing through the central vision and peripheral regions of the optical portion. The optical power distribution is described by a compound mathematical function that includes at least first and second error functions.

EFFECT: preventing or slowing progression of myopia without noticeable deterioration of central vision of a patient.

20 cl, 4 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to compounds described by formula I. In general formula I: Y-L2-Z-L1-X, Z stands for bivalent radical of formula (1a):

in which R3a, R3b, R3c and R1z stand for hydrogen; X stands for monovalent radical of formula

in which R1 and R2 independently represent C1-C4-alkyl group, optionally substituted with phenyl; A stands for hydroxygroup or di-C1-C4-alkylaminogroup; B stands for 6-membered heterocycle with two nitrogen atoms as heteroatoms; L1 stands for fragment -C(O)L3C(O)-, where L3 stands for linear or branched C1-C4-alkylene radical, or B stands for covalent bond and L1 stands for fragment -C(O)L3C(O)-O-(CH2)p-O-, where p stands for integer number, equal from 1 to 5; or X stands for diphenylphosphine oxide group, L1 stands for fragment -C(O)L3C(O)-O-(CH2)p-Ph-, where Ph is substituted with two C1-C4-alkyl groups, where p stands for integer number, equal from 1 to 5; Y stands for monovalent radical -O-C(O)-C(R14)=CH2, where R14 stands for C1-C4-alkyl group; and L2 stands for bridge -(CH2)2-. Invention also relates to ophthalmological lens, containing polymer, based on invention compounds.

EFFECT: obtained are novel compounds, which can be applied for manufacturing ophthalmological lenses absorbing UV-radiation.

5 cl, 1 tbl, 8 dwg, 5 ex

FIELD: physics, optics.

SUBSTANCE: method of making a contact lens includes dosing material of optical quality into the front curvature matrix of a contact lens; placing a rear curvature matrix on the surface of the material and connecting the front and rear curvature matrices to form a contact lens matrix and curing the material by varying the intensity of curing light along the profile of the contact lens matrix such that the central part of the contact lens becomes stiffer than the peripheral part. A second version of the method includes depositing a first reaction inhibitor on the surface of the front curvature matrix of the contact lens; dosing material of optical quality into the front curvature matrix; depositing a second reaction inhibitor on the surface of the rear curvature matrix; placing the rear curvature matrix on the surface of the material of optical and superposition thereof with the front curvature matrix to form a contact lens matrix. The first and second reaction inhibitors must have a different composition and concentration. Material in the contact lens matrix is cured to form a predetermined stress profile.

EFFECT: reduced lens stabilisation requirements.

5 dwg

FIELD: medicine.

SUBSTANCE: series of lenses for correcting the peripheral defocusing of an eye comprises several soft contact lenses. Each of the soft contact lenses of the series has a central optical force general for all lenses within the series. Each of the soft contact lenses of the series has the same optical power differential specified in a number of various optical power differentials for the lenses within the series. A method for correcting the peripheral defocusing of an eye involves selecting a first soft contact lens in the above series and putting it in the eye; assessing a vision quality to show the presence of hypercorrection or undercorrection in the peripheral retina; replacing the first lens for an alternative lens from the series of soft contact lenses having a higher optical power differential, if the undercorrection has been stated after putting the first lens in, or a lower optical power differential, if the hypercorrection has been stated after putting the first lens in.

EFFECT: lower risk of the hyper- or undercorrection of the defocusing in the peripheral retina of a specific eye, provided delay of myopia progression.

8 cl, 7 dwg

FIELD: physics.

SUBSTANCE: optical system for a two-channel collimated display comprises, arranged in series on a beam path, a cathode-ray tube (CRT) display, a beam splitting filter, a display grid, a two-component collimating lens and a two-component reflector. The indicator grid is in the form of a transparent plane-parallel plate illuminated by an additional light source, said plate having light-scattering bars from which light is scattered towards the beam splitting filter. The beam splitting filter is in the form of a plane-parallel dichroic mirror, which transmits light flux from the CRT display and reflects light flux from the indicator grid towards the two-component collimating lens. The two-component collimating lens comprises series-arranged first component - converging lens, a flat reflecting mirror inclined towards the axis of the CRT which breaks the optical axis of the lens and a second component consisting of a first converging, a second diverging and a third converging lens.

EFFECT: simple design of the collimating display and reduced weight and size thereof.

2 cl, 1 dwg, 1 tbl

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