| 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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| 05/07/1997 | EP0772307A1 Communication protocol for half-duplex traffic |
| 05/07/1997 | EP0772181A1 Improvements in or relating to the adressing of spatial light modulators |
| 05/07/1997 | EP0771498A1 Rolling code security system |
| 05/07/1997 | DE19543044A1 Optisches Frequenzmultiplexsystem Optical frequency division multiplexing system |
| 05/06/1997 | US5627925 Non-blocking optical cross-connect structure for telecommunications network |
| 05/06/1997 | US5627924 Article comprising a non-mechanical optical fiber switch |
| 05/06/1997 | US5627879 Cellular communications system with centralized base stations and distributed antenna units |
| 05/06/1997 | US5627669 Optical transmitter-receiver |
| 05/02/1997 | EP0771091A2 Chirped-pulse multiple wavelength telecommunications system |
| 05/02/1997 | EP0771089A1 Amplitude modulation device with an electro-absorption modulator |
| 05/02/1997 | EP0771088A2 Optical fibre transmission system with testing mode |
| 05/02/1997 | EP0771087A2 Photonic interconnect and photonic processing for communication and data handling satellites |
| 05/02/1997 | EP0417099B1 Alternating sequential half duplex communication system |
| 05/01/1997 | WO1997015969A2 Optical transmission link capable of high temperature operation without cooling with an optical receiver module having temperature independent sensitivity performance and optical transmitter module with laser diode source |
| 05/01/1997 | WO1997010652A3 Optical pulse propagation |
| 04/30/1997 | CN1148763A Optical communication mould |
| 04/30/1997 | CN1034784C 级联式光子滤波器 Photon cascade filter |
| 04/29/1997 | US5625883 System for wireless information transmission between two different rooms |
| 04/29/1997 | US5625865 Circuit arrangement for controlling the transmission of information for interactive services |
| 04/29/1997 | US5625722 Method and apparatus for generating data encoded pulses in return-to-zero format |
| 04/29/1997 | US5625481 Optical repeater |
| 04/29/1997 | US5625480 Control circuits for parallel optical interconnects |
| 04/29/1997 | US5625479 Soliton optical communication system and optical transmitter and optical receiver therefor |
| 04/29/1997 | US5625478 Optically restorable WDM ring network using simple add/drop circuitry |
| 04/29/1997 | US5625181 Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication |
| 04/29/1997 | CA2073087C Frequency modulation coherent optical communications system with continuous polarization scrambling |
| 04/28/1997 | CA2186083A1 Optical fiber transmission system |
| 04/27/1997 | CA2183195A1 Method and apparatus for transmission code decoding and encoding |
| 04/24/1997 | WO1997015127A1 Monitoring and/or controlling device and process |
| 04/24/1997 | WO1997012265A3 Optical amplifier internal input monitoring signal tap |
| 04/24/1997 | DE19538755A1 Überwachungs- und/oder Steuereinrichtung und -Verfahren Monitoring and / or control device and method |
| 04/24/1997 | DE19538017A1 Schaltungsanordnung zur Dispersionskompensation in optischen Übertragungssystemen mit Hilfe von gechirpten Bragg-Gittern Circuitry to compensate for dispersion in optical transmission systems using chirped Bragg gratings |
| 04/23/1997 | EP0769861A2 Method for transmitting WDM optical signal to be amplified by optical amplification repeaters and system used in same |
| 04/23/1997 | EP0769860A1 Coupling arrangement for coupling optical connections |
| 04/23/1997 | EP0769859A1 Transparent optical self-healing ring communication network |
| 04/23/1997 | EP0769858A2 Optical transceiver and optical communications network for both of optical fiber transmission and free space transmission |
| 04/22/1997 | US5623565 Optical sensor/actuator communication system with common control site independently responding to inputs from sensors and controlling associated actuators |
| 04/22/1997 | US5623362 Erbium-doped fiber amplifier and an optical fiber communication system |
| 04/22/1997 | US5623359 Optical communication by injection-locking to a signal which modulates an optical carrier |
| 04/22/1997 | US5623358 Discriminating infrared signal detector and systems utilizing the same |
| 04/22/1997 | US5623357 Method and apparatus for the monitoring and demarcation of synchronous digital hierarchy networks |
| 04/22/1997 | US5623356 Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system |
| 04/22/1997 | US5623355 Error-rate-based laser drive control |
| 04/22/1997 | CA2125422C Optical wavelength selection control system in optical networks |
| 04/22/1997 | CA2102856C Backplane optical spine |
| 04/20/1997 | CA2188208A1 Transparent optical self-healing-ring communication network |
| 04/17/1997 | WO1997014233A1 Transmitting supervisory messages from a fiber amplifier |
| 04/17/1997 | WO1997014232A1 Optical communication system |
| 04/17/1997 | WO1997014226A2 Dispersion compensating circuitry for optical transmission systems using chirped bragg gratings |
| 04/17/1997 | DE19538310A1 Signal time compressor with signal input and output |
| 04/16/1997 | EP0768806A2 Data protocol for transport of ATM cells over a wireless link |
| 04/16/1997 | EP0768771A2 Branch device for optical multiplex system |
| 04/16/1997 | EP0768766A2 Optical fiber amplifier repeating system |
| 04/16/1997 | EP0768765A1 Bias system in an optical CATV modulator |
| 04/16/1997 | EP0768211A1 Signal transmission device |
| 04/16/1997 | CN2252459Y One-chip computer infrared remote control transmitting, receiving appliance for monitoring |
| 04/16/1997 | CN1147732A Wavelength-division multiplexing telecommunication system and method providing controlled separation of output channels |
| 04/15/1997 | US5621786 Cellular communications system having passive handoff |
| 04/15/1997 | US5621661 Inductive loop diagnostic interface |
| 04/15/1997 | US5621560 Method and system for reducing chirp in external modulation |
| 04/15/1997 | US5620799 Covering a small area of surface of a sheet of glass, e.g. an automobile windshield, and having a transmitter and/or receiver in the nonvisible portion of the spectrum |
| 04/15/1997 | CA2093629C Optical fibre waveguide memory |
| 04/11/1997 | CA2187547A1 Signal transmitting device |
| 04/10/1997 | WO1997013334A1 A method and apparatus for controlling calls in a code division multiple access system |
| 04/10/1997 | WO1997013291A1 Redundant optical waveguide network |
| 04/10/1997 | DE19537103A1 Redundantes Lichtwellenleiter-Netz Redundant fiber optic network |
| 04/10/1997 | DE19536024A1 Optical multiple transmission path with single laser light source |
| 04/09/1997 | EP0767556A2 Control method of optical filter for selecting wavelength |
| 04/09/1997 | EP0767395A2 Device and method for modifying the spectral characteristics of optical signals |
| 04/09/1997 | EP0766903A1 Access network |
| 04/09/1997 | EP0766890A1 Device for transmitting and receiving rotating light signals |
| 04/09/1997 | EP0766889A2 An optical receiver, a tuner, and an optical network |
| 04/09/1997 | CN1147327A Optical telecommunications network |
| 04/08/1997 | US5619601 Optical switch and optical distributor using polarization control and partial reflection |
| 04/08/1997 | US5619498 Flag field-based routing mechanism for fiber optic telecommunication system employing STS-based transmission format containing asynchronous transfer mode cells |
| 04/08/1997 | US5619364 Depolarized source for high power operation of an integrated optical modulator |
| 04/08/1997 | US5619361 Information transmitting/processing system |
| 04/08/1997 | US5619360 Optical processing in asynchronous transfer mode network |
| 04/08/1997 | US5619359 Optoelectronic apparatus |
| 04/03/1997 | WO1997012454A1 Optical interface with safety shutdown |
| 04/03/1997 | WO1997012453A1 Infrared wireless communication between electronic system components |
| 04/03/1997 | WO1997012265A2 Optical amplifier internal input monitoring signal tap |
| 04/03/1997 | DE19536576A1 Elliptically-polarised light generating device |
| 04/02/1997 | EP0766429A2 Method and apparatus for buffer management |
| 04/02/1997 | EP0766423A2 Optical wavelength-division multiplexing transmission system |
| 04/02/1997 | EP0765546A1 Free space communications system employing line of sight radiation |
| 04/02/1997 | CN1146697A Radio-wire communciation selector resided in electrician carried test and communication apparatus |
| 04/02/1997 | CN1146674A Degradation four-wave mixing photo noise device |
| 04/01/1997 | US5617239 Optical source for communications system |
| 04/01/1997 | US5617238 Automated system, and corresponding method, for measuring transmitter duty cycle distortion of electro-optic modules |
| 04/01/1997 | US5617237 Automated system, and corresponding method, for measuring transmitter extinction ratio of electro-optic modules |
| 04/01/1997 | US5617236 Infrared communication device for multistandard operations |
| 04/01/1997 | US5617235 Device for optically transmitting and receiving binary information |
| 04/01/1997 | US5617234 Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating |
| 04/01/1997 | CA2070194C Polarisation-insensitive amplification device |
| 03/30/1997 | CA2182539A1 Method and apparatus for buffer management |
| 03/27/1997 | DE19535772A1 Optical conversion of carrier wavelength of optical transmission data signals esp. for regeneration |
| 03/27/1997 | DE19535361A1 Synchronous operation setting method for coaxial cable path |
| 03/26/1997 | EP0765052A2 Communication system for performing wavelength division multiplexing communications, and wavelength control method used in the system |
| 03/26/1997 | EP0765051A2 Incrementally expandable ring architecture for providing telephony services |