| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) | 
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| 05/05/1992 | US5110368 Device for spatially transmitting a plurality of signals over a fiberoptic monofilament | 
| 05/05/1992 | CA1300230C Television signal detector | 
| 05/04/1992 | EP0542741A4 Serial array time-slot interchangers. | 
| 05/02/1992 | CA2050751A1 Asynchronous x-bit signalling in ds2 signal format | 
| 04/30/1992 | WO1992007430A1 Quasi-soliton communication system | 
| 04/29/1992 | EP0482943A2 Bidirectional optical transmission method and apparatus therefor | 
| 04/29/1992 | EP0482520A1 Constant-current circuit for light-emitting element | 
| 04/29/1992 | EP0482472A2 Arrangement for optical data transmission between satellites | 
| 04/28/1992 | US5109446 Opto-electronic correlator including a spiral light waveguide | 
| 04/28/1992 | US5109445 Strained distribution optical fiber communication system | 
| 04/28/1992 | US5109444 Integrated type optical node and optical information system using the same | 
| 04/28/1992 | US5109443 Detection of stress applied to an optical fiber | 
| 04/28/1992 | US5109441 Fiber optic external modulator | 
| 04/28/1992 | US5109296 Transmission line switching system | 
| 04/28/1992 | CA1299656C Protection against loss or corruption of data upon switchover of a replicated system | 
| 04/27/1992 | CA2054245A1 Bidirectional optical transmission method and apparatus therefor | 
| 04/22/1992 | EP0481954A1 Device for the connection of subscriber terminals using optical transmission | 
| 04/22/1992 | EP0481349A2 Master clock distributing method and apparatus using same | 
| 04/22/1992 | EP0481170A2 Subscriber interface for a fiber optic communications terminal | 
| 04/21/1992 | US5107512 Frequency stabilization of a laser beam by using a birefrigent body | 
| 04/21/1992 | US5107490 Ring-type communication network | 
| 04/21/1992 | US5107362 Optical transmission apparatus | 
| 04/21/1992 | US5107361 Optical subscriber network | 
| 04/21/1992 | US5107360 Optical transmission of RF subcarriers in adjacent signal bands | 
| 04/21/1992 | US5107358 Method and apparatus for transmitting information | 
| 04/19/1992 | WO1992007432A1 Passive optical network | 
| 04/19/1992 | WO1992007431A1 Passive optical network | 
| 04/15/1992 | EP0480562A2 Semiconductor laser device | 
| 04/15/1992 | EP0480410A2 Infrared ray receiving circuit | 
| 04/15/1992 | EP0480231A2 Optical emitter-receiver module | 
| 04/15/1992 | EP0480078A1 Measuring device with non-electrical signal- and energy transfer | 
| 04/15/1992 | EP0480042A1 Device for evaluating signal transmission performance of optical communication equipment | 
| 04/15/1992 | CN1016306B Technique for reducing distortion characteristics in fiber-optic links | 
| 04/14/1992 | US5105446 Digital method of correcting non-linearity in a transmission chain, and apparatus implementing the method | 
| 04/14/1992 | US5105295 Four level FSK optical signal transmission with optical decoding and direct detection | 
| 04/14/1992 | US5105294 Digital communicating method and apparatus | 
| 04/14/1992 | US5105292 Asynchronous optical communication system | 
| 04/14/1992 | US5105071 Optical data transfer device | 
| 04/09/1992 | DE4031625A1 Optical polarisation diversity homodyne receiver with local lasers - incorporates two homodyne reception branches with frequency regulated by threshold logic selecting branch with input signal | 
| 04/09/1992 | DE4031624A1 Optical polarisation-diversity homodyne receiver with local laser - incorporates two homodyne reception branches with frequency regulated by threshold logic selecting branch with stronger signal | 
| 04/09/1992 | DE4030822A1 Wide-angle optical communications receiver with directional lens - has easily-cleaned smooth outer face and prismatic inner face well protected from atmos. pollution | 
| 04/08/1992 | EP0479333A2 Wireless remote control system of electronic sets | 
| 04/08/1992 | EP0479256A2 Homodyne optical receiver equipment | 
| 04/08/1992 | EP0479227A1 Device for fixing and mounting unitary modules on a supporting frame | 
| 04/08/1992 | EP0479226A1 Cassette for optical junction | 
| 04/08/1992 | CN2101246U Optical-isolation point type galvanometer | 
| 04/07/1992 | US5103494 Optoelectronic arrangement | 
| 04/07/1992 | US5103453 Method and means for controlling the frequency and power output of a tunable diode laser | 
| 04/07/1992 | US5103340 Multiple-cavity optical filter using change of cavity length | 
| 04/07/1992 | CA1298638C Optical signal processing device | 
| 04/07/1992 | CA1298617C Rf and light signals transmitting system, particularly for space telecommunications | 
| 04/07/1992 | CA1298502C Optical fiber dispersion transformer | 
| 04/06/1992 | CA2052850A1 Undersea communication system with use of physical environment | 
| 04/06/1992 | CA2052837A1 Undersea communication system with use of physical environment | 
| 04/02/1992 | WO1992005645A1 Electronically switched multiple-channel optical receiver | 
| 04/02/1992 | WO1992005642A1 An optical fibre amplifier with coupling of pump energy from several pump sources | 
| 04/02/1992 | WO1992001346A3 Multimedia high speed network | 
| 04/02/1992 | DE4031043A1 Laser beam transmission and reception device - regulates feedback power using measured intensity of reflected beam | 
| 04/02/1992 | DE4030782A1 Optical interface for data handling devices - uses opto-electronic coupler with optical fibre link for galvanic separation | 
| 04/01/1992 | EP0478484A2 Fiber optic communication network with reduction of intersymbol interference | 
| 04/01/1992 | EP0478296A2 Fiber identifier | 
| 04/01/1992 | EP0478204A2 Thermo-electric temperature control arrangement for laser apparatus | 
| 04/01/1992 | EP0478002A2 Wireless remote control system of electronic sets | 
| 04/01/1992 | EP0477952A2 Reconfigurable RF matching circuit | 
| 04/01/1992 | EP0477875A2 Optical communication system and transmitting apparatus for use therein | 
| 04/01/1992 | EP0477699A2 Optical communication system | 
| 04/01/1992 | EP0477659A1 Method and device for assigning slots in a star network | 
| 04/01/1992 | EP0435939A4 Dual mode light emitting diode/detector diode for optical fiber transmission lines | 
| 04/01/1992 | CN1060000A Self-check optical fibre sensor circuit | 
| 03/31/1992 | US5101461 Optical fiber amplifier apparatus | 
| 03/31/1992 | US5101450 Quadrature optical phase modulators for lightwave systems | 
| 03/31/1992 | US5101290 High-performance packet-switched wdm ring networks with tunable lasers | 
| 03/31/1992 | CA1298116C Bidirectional optical space switch | 
| 03/29/1992 | CA2051527A1 Fiber identifier | 
| 03/29/1992 | CA2049680A1 Reconfigurable rf matching circuit | 
| 03/25/1992 | WO1992005641A1 Universal remote control system | 
| 03/25/1992 | EP0476968A2 Clock recovery circuit | 
| 03/25/1992 | EP0476830A2 Method of operating concatenated optical amplifiers | 
| 03/25/1992 | EP0476569A2 Mobile communication system | 
| 03/25/1992 | EP0476566A2 Optical communication systems and optical nodes for use therein | 
| 03/25/1992 | EP0476444A1 Optical transceiver | 
| 03/25/1992 | EP0476091A1 Bit and frame synchronizing unit for an access node in an optical transmission device. | 
| 03/25/1992 | CN2100033U Infrared telecontrol fully automatic preselective television aerial | 
| 03/24/1992 | US5099471 Ultrashort optical pulse modulating equipment | 
| 03/24/1992 | US5099351 Four level FSK optical signal transmission with optical decoding and coherent detection | 
| 03/24/1992 | US5099350 Method and device for the optical filtering and photodetection of intensity-modulated optical signals | 
| 03/24/1992 | US5099349 Optical transmission line system | 
| 03/24/1992 | US5099347 Fast packet and frequency switch | 
| 03/24/1992 | US5099346 Infrared communications network | 
| 03/24/1992 | US5099114 Optical wavelength demultiplexer | 
| 03/24/1992 | CA1297949C Method and apparatus for the operation of a distributed feedback laser | 
| 03/19/1992 | WO1992004785A1 Optical communications system | 
| 03/19/1992 | DE4029559A1 Mfg. optical transmitter or receiver unit - inserting spacers between substrate and carrier for optical lens for diode | 
| 03/19/1992 | DE4029399A1 Opto-coupler for digital signal transmission - uses control stage for counter-phase control of parallel elements | 
| 03/18/1992 | EP0475640A2 Polarization switching light source, optical receiver, and coherent optical transmission system | 
| 03/18/1992 | EP0475376A2 Apparatus and method for linearizing the operation of an external optical modulator | 
| 03/18/1992 | EP0475331A2 Light transmission system with subcarriers | 
| 03/18/1992 | EP0475016A2 Wavelength-multiplexed optical network system | 
| 03/18/1992 | EP0474921A1 Optical transmission network with frequency locking means | 
| 03/18/1992 | EP0474914A1 A bi-directional telecommunications system |