| 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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| 07/23/1997 | EP0785639A1 Optical communications method and system with passive routing |
| 07/23/1997 | EP0785638A2 Optical transmitter |
| 07/23/1997 | EP0785600A2 Optical systems and devices employing spectrally flattened amplified spontaneous emission |
| 07/23/1997 | EP0785455A1 Non-mechanical optical fiber switch |
| 07/23/1997 | EP0701710A4 Frequency-selective optical switch using polarization rotation |
| 07/23/1997 | CN1155194A Optical detecting unit and electric device using same |
| 07/22/1997 | US5651080 Optical exchanging apparatus using mode conversion and mode selection in an optical waveguide |
| 07/22/1997 | US5650868 Data transfer system |
| 07/20/1997 | CA2195392A1 Optical fiber amplifier |
| 07/17/1997 | WO1997025821A1 Communication system using a transmitter and transceiver for use with multiple receivers |
| 07/17/1997 | WO1997025788A1 Robust method and apparatus enabling multi-mode wireless optical communication |
| 07/16/1997 | EP0784391A2 Wavelength division multiplexing light transmitting system |
| 07/16/1997 | EP0784389A2 A directionally adjustable optical transmitter and receiver assembly |
| 07/16/1997 | EP0784388A2 Surveillance method of optical communication line |
| 07/16/1997 | EP0784364A1 Method of control of light amplification medium, light amplifier, and system using the same |
| 07/16/1997 | EP0783809A1 Hybrid fiber/coax video and telephony communication system |
| 07/16/1997 | EP0783808A1 Optical transmitter and transceiver module for wireless data transmission |
| 07/16/1997 | EP0783807A1 Optical data-link between adjacent component assemblies |
| 07/16/1997 | CN1154524A Infrared repeater |
| 07/15/1997 | US5649037 Optical waveguide component and a light signal processing method using the same |
| 07/15/1997 | US5648961 Radio telephone system and antenna device and base station for the same |
| 07/15/1997 | US5648863 Optical communication system |
| 07/15/1997 | US5648862 Night vision device with audio communication and identification facility |
| 07/15/1997 | CA2063606C Optical communications network |
| 07/10/1997 | WO1997024900A1 Method and system for optical restoration tributary switching in a fiber network |
| 07/10/1997 | WO1997024824A1 Multiple wavelength bidirectional lightwave amplifier |
| 07/10/1997 | WO1997024823A2 Method and system for transporting ancillary network data |
| 07/10/1997 | WO1997024822A1 Method and system for detecting optical faults within the optical domain of a fiber communication network |
| 07/10/1997 | WO1997024821A1 Monitoring of an optical line |
| 07/10/1997 | CA2241906A1 Method and system for optical restoration tributary switching in a fiber network |
| 07/10/1997 | CA2239354A1 Monitoring of an optical line |
| 07/10/1997 | CA2194628A1 Chromatic dispersion compensator and chromatic dispersion compensating optical communication system |
| 07/09/1997 | EP0783215A1 Optical transmission system using encryption based on deterministic chaos |
| 07/09/1997 | EP0783212A1 Optical signal distribution system |
| 07/09/1997 | EP0782809A1 Tree-structured optical 1xn and nxn switch matrices |
| 07/09/1997 | EP0782799A1 Efficient optical wavelength multiplexer/de-multiplexer |
| 07/09/1997 | EP0782796A1 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith |
| 07/09/1997 | EP0637405B1 Device for generating optical signals |
| 07/09/1997 | EP0563067B1 Optical device |
| 07/09/1997 | EP0467899B1 Radio having optical controls |
| 07/09/1997 | CN1154025A 高效极化分集接收机系统 Efficient polarization diversity receiver system |
| 07/09/1997 | CN1154024A Light communication system |
| 07/09/1997 | CN1153910A Positive dispersion optical waveguide |
| 07/08/1997 | USRE35553 Optical RF stereo |
| 07/08/1997 | US5647037 Optical filtering |
| 07/08/1997 | US5647035 Ring network communication structure on an optical carrier and reconfigurable node for said structure |
| 07/08/1997 | US5646775 Compact-size optical amplifier having separate functions |
| 07/08/1997 | US5646763 Optical transmitter and laser diode module for use in the optical transmitter |
| 07/08/1997 | US5646762 Optical communication system using tandem Fabry-Perot etalon for wavelength selection |
| 07/08/1997 | US5646761 Wireless communication system |
| 07/08/1997 | US5646760 Differential pair of optical thyristors used as an optoelectronic transceiver |
| 07/08/1997 | US5646608 Apparatus and method for an electronic device control system |
| 07/03/1997 | WO1997023989A1 An automatic subscriber callback system |
| 07/03/1997 | WO1997023987A1 A telephone equipment protection circuit |
| 07/03/1997 | WO1997023985A1 Modem loop current detect system to detect an off-hook condition in an extension telephone |
| 07/03/1997 | WO1997023966A1 Dispersion slope compensation in optical transmission systems |
| 07/03/1997 | WO1997023965A1 Improvements in fibre-break detection in optical signal transmission networks |
| 07/03/1997 | WO1997023964A1 Amplifier for a fibre optic communication system |
| 07/03/1997 | WO1997023954A1 Electrical isolation between ir receiver and further electronic circuits |
| 07/03/1997 | WO1997023933A1 Optical unit for synchronizing clock signals |
| 07/03/1997 | WO1997023840A1 Fault detection and modification circuit |
| 07/03/1997 | DE19621604A1 Optical device with switch function for adding or blending filter |
| 07/02/1997 | EP0782310A2 Terminal device, E.G. pocket telephone |
| 07/02/1997 | EP0782289A1 Wavelength multiplexing optical transmission device |
| 07/02/1997 | EP0782286A2 Optical communication system and remote sensor interrogation |
| 07/02/1997 | EP0782285A2 Multiple star, passive optical network based on remote interrogation of terminal equipment |
| 07/02/1997 | EP0782284A2 Apparatus and method for improving signal-to-noise ratio in wavelength division multiplexing soliton transmission systems |
| 07/02/1997 | EP0782283A2 Optical transmitting terminal for optical digital communication using polarization scrambling |
| 07/02/1997 | EP0782282A2 Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved perfomance of optical transmission systems |
| 07/02/1997 | EP0782281A2 A combination diffused and directed infrared transceiver |
| 07/02/1997 | EP0782280A2 An infrared transceiver for an application interface card |
| 07/02/1997 | EP0782279A2 Maintenance of optical networks |
| 07/02/1997 | EP0782278A2 Signal processing method |
| 07/02/1997 | EP0782251A1 Detector with automatic bias control of a PIN photodiode |
| 07/02/1997 | EP0782225A2 Low tilt, high gain fiber amplifier |
| 07/02/1997 | EP0782019A2 Bandwith-adjusted wavelength demultiplexer |
| 07/02/1997 | CN1153432A Transparent optical self-healing-ring communication network |
| 07/01/1997 | US5644668 High speed electro-optical signal translator |
| 07/01/1997 | US5644667 Integrated semiconductor optical devices and method of manufacture employing substrate having alignment groove |
| 07/01/1997 | US5644664 Fiber optic digital transmission system |
| 07/01/1997 | US5644622 Cellular communications system with centralized base stations and distributed antenna units |
| 07/01/1997 | US5644423 Method and device for optical amplification |
| 07/01/1997 | US5644418 Smart pixel optical receiver employing sense amplifier and method of operation thereof |
| 07/01/1997 | US5644417 Automated system, and corresponding method, for measuring transmitter data-dependent jitter of electro-optic modules |
| 07/01/1997 | US5644389 Method for measuring distance between reflection points along light transmission line and reflectance thereof |
| 06/29/1997 | CA2191156A1 Multiple star, passive optical network based on remote interrogation of terminal equipment |
| 06/29/1997 | CA2190892A1 Apparatus and method for improving signal-to-noise ratio in wavelength division multiplexing soliton transmission systems |
| 06/26/1997 | WO1997023067A2 A rotary electric coupling for machines having a rotatable turret |
| 06/26/1997 | WO1997023066A1 Optical amplifier arrangement |
| 06/26/1997 | WO1997017780A3 Optical frequency multiplexing system |
| 06/26/1997 | DE19613757A1 Interactive service optical transmission system |
| 06/26/1997 | DE19548547A1 Transmitting and receiving unit for optical data transmission |
| 06/26/1997 | DE19547603A1 Optische Verstärkereinrichtung Optical amplification means |
| 06/26/1997 | CA2211582A1 Optical amplifier device |
| 06/25/1997 | EP0781069A1 Apparatus for encryption and decryption of data transported by ATM cells |
| 06/25/1997 | EP0781050A2 Optical transmission of signals |
| 06/25/1997 | EP0781001A1 Modulated and depolarized optical signal transmitter |
| 06/25/1997 | EP0781000A2 Broadband amplifier and transceiver for a broadband communication system |
| 06/25/1997 | EP0780970A2 Broad-band amplifier circuit and high-speed communication element using the same |
| 06/25/1997 | EP0780723A1 Controllable phase/amplitude modulator and soliton regenerator comprising such a modulator |