RU97105067A - OPTICAL TRANSMITTER AND TRANSMITTER MODULE FOR WIRELESS DATA TRANSMISSION - Google Patents

Claims (27)

1. An optical module for transmitting data containing a matrix of infrared light-emitting diodes (51) arranged uniformly and preferably symmetrically and having either individual or common addressing and a dome-shaped housing (52) forming a cavity, characterized in that said matrix is located inside said cavity and said domed body (52) comprises a diffuser, so that infrared light is emitted by the matrix inside the cavity through said diffuser, which is provided to increase the size of the visible source Chnika.  2. The module according to claim 1, characterized in that the light emitting diodes of the indicated matrix (11; 201) are placed on the mounting base (10; 221), so that the main axis of the radiation of the diodes is approximately parallel to the central axis of the specified dome-shaped housing (12; 200).  3. The module according to claim 1, characterized in that the light-emitting matrix diodes (31; 41; 51; 71; 81; 91; 101; 111; 121; 221) are located on the mounting base (30; 40; 50; 70; 80 ; 90; 100; 110; 120; 140; 150; 223), so that the main axis of the radiation of the diodes is inclined with respect to the central axis of the domed housing (32; 42; 52; 60; 61; 72; 102; 112; 122; 142 ; 152; 162; 220).  4. The module according to claim 3, characterized in that the light emitting diodes (31; 41; 51; 71; 91; 101) are located so that they are facing the specified central axis.  5. The module according to claim 3, characterized in that the light-emitting diodes (81; 111; 121; 221) are arranged so that they are radially outward facing with respect to the specified central axis.  6. A module according to any one of the preceding paragraphs, characterized in that said dome-shaped housing (42) comprises a phase hologram (43) playing the role of a beam former and located inside the housing.  7. The module according to one of paragraphs. 1 to 5, characterized in that the domed housing (52) contains suspended particles with a high reflection coefficient, which play the role of a diffuser (53).  8. The module according to one of paragraphs. 1 to 5, characterized in that the domed housing (52) on its inner and / or outer surface has a corrugated surface (93) serving as a diffuser.  9. The module of claim 8, characterized in that said corrugated surface has a roughness degree that coincides with the wavelength emitted by the light emitting diodes of the module.  10. The module according to one of paragraphs. 1 to 5, characterized in that the domed housing contains a pattern staggered (92) on the inner and / or outer surface, serving as a diffuser.  11. A module according to any one of the preceding paragraphs, characterized in that the domed housing (102) comprises a prismatic ring (104) that reflects a portion of the light (Δ) emitted by the matrix of light emitting diodes (101) downward, so that direct communication along the line of sight is improved .  12. The module according to one of claims 1 to 10, characterized in that the domed housing (102) contains reflectors (114) located on the inner surface of the housing (112), which reflect the light emitted from the matrix of light emitting diodes (111) upward, that light exits the housing (112) through the diffuser (113).  13. The module according to one of claims 1 to 10, characterized in that the domed housing (122) contains a series of reflectors (124), upward-deflecting prisms (125) and a downward-deflecting prism (126), located on a circle on the inner surface housing (122), so that depending on the position of the matrix of light emitting diodes (121) with respect to the indicated reflectors (124) and prisms (125, 126), the radiation pattern of the module can be switched.  14. The module according to one of claims 1 to 10, characterized in that the dome-shaped housing (200; 210; 220) contains a series of reflectors (202; 212; 222) or a series of prisms located around a circle in a dome-shaped housing (200; 210; 220), so that depending on the position of the matrix of light emitting diodes (201; 211; 221) with respect to the indicated reflectors (202; 212; 222) or prisms, the radiation pattern of the module can be switched.  15. The module according to item 13 or 14, characterized in that the dome-shaped housing (122; 200; 210; 220) is made with the possibility of stepwise rotation relative to the matrix of light-emitting diodes (121; 201; 211; 221).  16. The module according to any one of the preceding paragraphs, characterized in that it comprises a receiver with an array of photodiodes (143; 153; 161) having an inclination with respect to the central axis of the housing.  17. A module according to claim 16, characterized in that said photodiodes (143) are located under said matrix of light emitting diodes in the same housing (142).  18. The module according to clause 16, wherein said photodiodes (153; 161) are located above the matrix of light emitting diodes in the same housing (152; 162).  19. The module according to one of paragraphs. 16 to 18, characterized in that said photodiodes (143; 153; 161) are mounted on a mounting base (160), which is mounted in a housing (142; 152; 162).  20. The module according to clause 16, characterized in that the housing (142; 152) contains a substrate (144; 154) with electronic circuits and / or a mesh of thin wire (145; 155).  21. A computer (170; 174) comprising an optical transmitting module (171; 175) according to any one of the preceding paragraphs and interface means for connecting said module (171; 175) to a bus of said computer.  22. The computer according to item 21, wherein the module (171) is mounted on the computer monitor panel using a clip (172) and connected to the interface means using a cable (173).  23. The computer according to item 21, characterized in that the module (175) is built into the monitor panel rigidly or with the ability to retract inside. 24. The transceiver for wireless data exchange and for use with the module according to claims 1 to 15, containing
a) an array of photodiodes,
b) amplifiers (180; 184) for amplifying the signals received by the specified matrix of photodiodes,
c) means (186) for detecting information contained in the signals received by said matrix of photodiodes,
d) excitation means (191) for exciting an array of infrared light emitting diodes of said module,
e) means (182, 193, 190) for actively selecting and individually combining the signals received by each photodiode of said array of photodiodes (181),
f) means (188 - 191) for detecting proximity by determining the strength of the echo signal and turning off the matrix of infrared light emitting diodes of the specified module, if the specified echo signal exceeds a predetermined limit value. 25. A transceiver for wireless data exchange and for use with a module according to claims 16-19, comprising
a) amplifiers (180; 184) for amplifying the signals received by the photodiode array of the specified module,
b) means (186) for detecting information contained in the signals received by the photodiode array of the specified module,
c) excitation means (191) for exciting an array of infrared light emitting diodes of said module,
d) means (182, 183, 190) for actively selecting and individually combining the signals received by each photodiode of the photodiode array of the specified module,
e) means (188 - 191) for detecting proximity by determining the strength of the echo signal and turning off the matrix of infrared light emitting diodes of the specified module, if the specified echo signal exceeds a predetermined limit value.  26. A computer containing an optical transceiver according to claim 24, which is connected via an interface means (192) to a bus (193) of the indicated computer, and a module connected to it according to claims 1 to 15.  27. A computer containing an optical transceiver according to claim 25, which is connected via an interface means (192) to a bus (193) of said computer, and a module connected to it according to claims 16-19.