| 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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| 03/17/1992 | US5097353 Optical repeater having phase inversion circuit |
| 03/17/1992 | US5097299 Optical transmission communications system |
| 03/17/1992 | US5097145 Light emitting element drive circuit |
| 03/15/1992 | CA2051252A1 Bidirectional light waveguide telecommunication system |
| 03/12/1992 | DE4028180A1 Soliton transmission procedure via light conductor(s) - using fibre=optic couplers and lasers to feed second Raman pump wave amplifying first to reduce its attenuation |
| 03/11/1992 | EP0474426A2 Optical star coupler utilizing fiber amplifier technology |
| 03/11/1992 | EP0474294A1 Polarization-independent receiver |
| 03/11/1992 | EP0473873A1 Optical wavelength modulated signal receiver |
| 03/11/1992 | EP0294465B1 Fiber-optic feed network using series/parallel connected light emitting opto-electronic components |
| 03/11/1992 | CN1059435A Fiber-optical communication carrier system |
| 03/11/1992 | CN1015840B Unit for amplifying light signals in optical fibre transmission line |
| 03/10/1992 | US5095382 Wireless headphone |
| 03/10/1992 | US5095381 Passive tap network |
| 03/10/1992 | US5095281 Method and apparatus for determining the absolute noise figure of optical amplifiers |
| 03/10/1992 | CA1297176C Surveillance system |
| 03/05/1992 | WO1992003861A1 Process and circuit for correcting the light-power output of a laser diode |
| 03/05/1992 | DE4125075A1 Passive optical telecommunications system - has transmission power for each decentralised device controlled by current burst received from exchange |
| 03/05/1992 | DE4110138C1 Carrier recovery for optical PSK homodyne receiver - by rotating local oscillator phase 90 deg. for one synchronisation bit period to produce phase error signal |
| 03/04/1992 | WO1992004786A1 Method and apparatus for transmitting information |
| 03/04/1992 | EP0473331A2 Long distance soliton lightwave communication system |
| 03/04/1992 | EP0473100A1 Optical communication network |
| 03/04/1992 | EP0472824A1 Passive optical telecommunication system |
| 03/04/1992 | EP0472728A1 Optical isolator |
| 03/03/1992 | US5093890 Optical bus for computer systems |
| 03/03/1992 | US5093888 Optical transmitting system, optical members and polymer for same, and usage of same |
| 03/03/1992 | US5093879 Electro-optical connectors |
| 03/03/1992 | US5093876 WDM systems incorporating adiabatic reflection filters |
| 03/03/1992 | US5093744 Remote commander |
| 03/03/1992 | US5093743 Optical packet switch |
| 03/03/1992 | US5093568 Monitoring system for fiber optic cables utilizing an OTDR for detection of signal loss and automatic location of faults in the cable |
| 03/01/1992 | WO1992004653A1 Tunable liquid-crystal etalon filter |
| 02/28/1992 | CA2049780A1 Passive optical telecommunication system |
| 02/26/1992 | EP0472296A1 High-performance packet-switched wdm ring networks with tunable lasers |
| 02/25/1992 | US5091985 Optical signal connection device for units to be inserted in a rack |
| 02/25/1992 | US5091797 Method and apparatus for modulation current regulation for laser diodes |
| 02/25/1992 | US5091796 Optical communication system having an improved protection line switching mechanism |
| 02/25/1992 | US5091641 High-frequency optoelectric front-end |
| 02/25/1992 | US5091636 Apparatus for detecting modulated informations from emitted light turned by an object |
| 02/20/1992 | DE4026073A1 Control point coupling mobile data terminal to fixed data processor - has two components forming transceiver for electromagnetic waves, and air path as transmission line |
| 02/19/1992 | EP0471565A2 Optical reception apparatus |
| 02/19/1992 | EP0471477A1 Wireless receiver |
| 02/19/1992 | EP0471414A2 Optical data transmission device, in particular for an X-ray diagnostic device |
| 02/18/1992 | US5089788 Circuit for driving a photo-receiver |
| 02/18/1992 | US5089787 Optically-coupled high frequency amplifier |
| 02/18/1992 | CA1295864C Optical fiber dispersion compensator |
| 02/13/1992 | DE4025497A1 Verfahren und schaltungsanordnung zur korrektur der lichtleistungs-abgabe einer laserdiode Method and circuit arrangement for the correction of the light-performance laser diode levy a |
| 02/11/1992 | US5088107 Linear channel bandwidth calibration circuit |
| 02/11/1992 | US5088095 Gain stabilized fiber amplifier |
| 02/11/1992 | US5087108 Double-core active-fiber optical amplifier having a wide-band signal wavelength |
| 02/11/1992 | CA1295684C Reflex transmitter for a bidirectional light waveguide communication system |
| 02/11/1992 | CA1295499C Optical space switch |
| 02/06/1992 | WO1992001968A1 Multi-mode remote control system |
| 02/05/1992 | EP0469795A1 System comprising Er-doped optical fiber |
| 02/05/1992 | EP0469793A2 Monolithic integrated optical amplifier and photodetector |
| 02/05/1992 | EP0469382A2 Transmission apparatus for transmitting messages and additional signals |
| 02/05/1992 | EP0469244A2 Light emitting element drive circuit |
| 02/05/1992 | EP0469143A1 Push-pull optical receiver. |
| 02/05/1992 | EP0469126A1 Optical duplexer. |
| 02/05/1992 | EP0469004A1 Data transmission system. |
| 02/05/1992 | CN1058500A Optical fiber telecommunication line comprising amplifiers of transmitted signals and amplifiers for said line |
| 02/04/1992 | US5086470 Scrambling in digital communications network using a scrambled synchronization signal |
| 02/04/1992 | US5086349 Optical switching system which employs reference beams with different wavelengths |
| 02/04/1992 | US5086348 System for connecting optical lines to a wideband telecommunications exchange |
| 02/04/1992 | CA1295431C Optic system useful with metal service lines |
| 02/04/1992 | CA1295378C Automatic gain control fiber optic-to-electrical transceiver |
| 01/29/1992 | EP0468715A2 Adiabatic reflection apparatus |
| 01/29/1992 | EP0467899A1 Radio having optical controls. |
| 01/28/1992 | US5084779 Transmitter and transceiver for a coherent optical system |
| 01/28/1992 | US5083874 Optical repeater and optical network using the same |
| 01/28/1992 | CA1295041C Hybrid laser for optical communications |
| 01/28/1992 | CA1295040C Optical switching system |
| 01/23/1992 | WO1992001348A1 Circuit for receiving light |
| 01/23/1992 | WO1992001340A1 Method and apparatus for achieving two-way long range communication over an optical fiber |
| 01/23/1992 | WO1991020113A3 Fiber optics system |
| 01/23/1992 | DE4023322A1 Observation device for submarine - provides optical information from video camera in glass dome to evaluator via optical fibre |
| 01/22/1992 | EP0467358A2 A demodulator and a polarization diversity receiver for coherent optical communication provided with the demodulator |
| 01/22/1992 | EP0467266A2 Direct modulation phase shift keying (DM-PSK) transmission system |
| 01/22/1992 | EP0467080A1 Light communication system |
| 01/22/1992 | EP0404874A4 Optical data link system, and methods of constructing and utilizing same |
| 01/21/1992 | US5082376 Optical fiber feeder assembly including an amplifier |
| 01/21/1992 | US5082369 Optical probe test port |
| 01/21/1992 | CA1294673C Optical subscriber network transmission system with auxiliary line |
| 01/16/1992 | DE4022027A1 Optisches datennetz hoher betriebssicherheit Optical data network high operational safety |
| 01/15/1992 | EP0466300A2 Biocompatible viscoelastic gel slurries, their preparation and use |
| 01/15/1992 | EP0466182A2 Optical communication apparatus using intensity modulation |
| 01/15/1992 | EP0466144A2 Optical semiconductor device with wavelength selectivity and method for amplifying or emitting light using the same |
| 01/15/1992 | EP0466110A1 Pulse shaping device |
| 01/15/1992 | EP0465604A1 Infrared network entry permission method and apparatus. |
| 01/14/1992 | US5081712 Method and apparatus for obtaining phase in sensitive and/or polarization-insensitive optical heterodyne receiver for a fsk-modulated transmission signal |
| 01/14/1992 | US5081711 Computer peripheral device control and communication system |
| 01/14/1992 | US5081710 Laser transmitter |
| 01/14/1992 | US5081543 Medical diagnostics installation with multiple, wireless control signal transmission channels |
| 01/14/1992 | US5080505 Optical transmission system |
| 01/12/1992 | WO1992001341A1 Highly reliable optical data system |
| 01/12/1992 | CA2087015A1 Highly reliable optical data system |
| 01/08/1992 | EP0465444A1 A mobile telephony system |
| 01/08/1992 | EP0465425A1 Integrated-optic polarisation splitter, its use and integrated-optic interferometric system |
| 01/08/1992 | EP0464812A1 Dispersion equalized optical fiber link |
| 01/08/1992 | EP0464457A2 Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor |
| 01/08/1992 | EP0464456A2 Laser diode emitter |