| 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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| 02/25/1997 | US5606446 Optical telecommunications system employing multiple phase-compensated optical signals |
| 02/25/1997 | US5606445 Optical transmission system |
| 02/25/1997 | US5606444 Wide-angle, high-speed, free-space optical communications system |
| 02/25/1997 | US5606443 Control circuit for entertainment system demonstration |
| 02/20/1997 | WO1997006629A1 Remote supply of decentralised (especially narrow-band) devices in wide-band fibre-optic lines and subscriber connection systems having copper remote supply lines |
| 02/20/1997 | WO1997006617A1 Signal routing for fibre optic networks |
| 02/20/1997 | WO1997006616A1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 02/20/1997 | WO1997006615A1 Flag field-based routing mechanism for fiber optic telecommunication system employing sts-based transmission format containing asynchronous transfer mode cells |
| 02/20/1997 | WO1997006614A1 Add/drop multiplexer |
| 02/20/1997 | WO1997006503A1 Process for controlling the access of a data station to mobile data carriers |
| 02/20/1997 | CA2228289A1 Flag field-based routing mechanism for fiber optic telecommunication system employing sts-based transmission format containing asynchronous transfer mode cells |
| 02/20/1997 | CA2225469A1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 02/20/1997 | CA2225468A1 Signal routing for fibre optic networks |
| 02/20/1997 | CA2224494A1 Add/drop multiplexer |
| 02/19/1997 | EP0758799A2 InP/InGaAs monolithic integrated demultiplexer, photodetector, and heterojunction bipolar transistor |
| 02/19/1997 | EP0758743A2 Device for wireless exchanging data between a service station and a control device in a motor vehicle |
| 02/19/1997 | CN2247901Y Single sound channel infrared receiver |
| 02/19/1997 | CN2247900Y Cascade fibre-optic amplifier with precoupling-isolating amplifying ring |
| 02/18/1997 | US5604627 Optical amplifier device |
| 02/18/1997 | US5604617 Telecommunications switching element |
| 02/18/1997 | CA2109223C Vertical metallically loaded polarization splitter and polarization-diversified optical receiver |
| 02/13/1997 | WO1997005725A1 Packet routing |
| 02/13/1997 | WO1997005718A1 Method and device for the coarse ranging of a tdma pon system |
| 02/13/1997 | WO1997005714A1 Optimal allocation of multiplexing equipment and distribution of load in a fiber optic network |
| 02/13/1997 | WO1997005713A1 Optical fibre system |
| 02/13/1997 | DE19631890A1 Bidirektionaler optischer Verstärker für optische Wellenlängenmultiplex-Systeme A bidirectional optical amplifier for optical wavelength division multiplexing systems |
| 02/13/1997 | DE19529183A1 Fernspeisung von dezentralen (insbesondere Schmalband-) Einrichtungen in optische Breitband-Anschlußleitungen und Kupfer-Fernspeisungsleitungen aufweisenden Teilnehmeranschlußnetzen Remote powering of distributed (in particular narrowband) means having in optical broadband access lines and copper-remote supply lines subscriber access networks |
| 02/13/1997 | CA2227415A1 Optimal allocation of multiplexing equipment and distribution of load in a fiber optic network |
| 02/12/1997 | EP0758173A2 Node device, network system and method for performing packet communication |
| 02/12/1997 | EP0758170A2 Wavelength division multiplexing lightwave transmission system |
| 02/12/1997 | EP0758169A2 Wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method |
| 02/12/1997 | EP0758090A2 An electromagnetic wave-to-optical signal converting and modulating device and a communication system using the same |
| 02/12/1997 | EP0617876B1 Fibre optic telephone loop network |
| 02/12/1997 | CN1142714A Stabilizing method for optic fiber emission modules |
| 02/12/1997 | CA2178688A1 Network emulator in asynchronous transfer mode |
| 02/11/1997 | US5603064 Channel module for a fiber optic switch with bit sliced memory architecture for data frame storage |
| 02/11/1997 | US5602862 Optical clock extraction |
| 02/11/1997 | US5602672 Light modulator module and method for fabricating light modulator module |
| 02/11/1997 | US5602670 Optical data receiver employing a solar cell resonant circuit and method for remote optical data communication |
| 02/11/1997 | US5602669 Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver |
| 02/11/1997 | US5602668 Data communications and illuminated light on the same optical fiber |
| 02/11/1997 | US5602666 Optical dispersion compensation method for shifting a zero dispersion wavelength of an optical fiber to compensate for dispersion in an optical system |
| 02/11/1997 | US5602665 Optical transmitting/receiving apparatus for bidirectional communication systems |
| 02/11/1997 | US5602664 Infrared repeater |
| 02/11/1997 | CA2042987C Unit for amplifying light signals in optical fiber transmission lines |
| 02/11/1997 | CA2012262C Method of stabilizing the frequency of semiconductor laser and apparatus therefor |
| 02/08/1997 | CA2182450A1 Circuit and method of testing for silent faults in a bi-directional optical communication system |
| 02/06/1997 | WO1997004539A1 Optical communications system |
| 02/06/1997 | DE19528599A1 Verfahren zur Zugriffssteuerung von einer Datenstation auf mobile Datenträger A method for access control from a data station to mobile data carriers |
| 02/05/1997 | EP0756694A1 System for detecting linear dimensions and method for testing the system operability |
| 02/04/1997 | US5600738 Polarization dispersion compensation for optical devices |
| 02/04/1997 | US5600679 Burst signal receiving apparatus with different holding times of threshold signal |
| 02/04/1997 | US5600492 Surface-curved optical element adapted for emergence and incidence of parallel light rays |
| 02/04/1997 | US5600481 Optical fiber amplifier and optical transmission system using the same |
| 02/04/1997 | US5600474 Transmission system with polarization control |
| 02/04/1997 | US5600473 Optical amplifier systems with add/drop multiplexing |
| 02/04/1997 | US5600472 Distortion generating circuit |
| 02/04/1997 | US5600471 Optical wireless data transmission system and optical wireless data transmitting/receiving apparatus |
| 02/04/1997 | US5600470 Mixed fiber adapter cable |
| 02/04/1997 | US5600469 Optical network unit implemented with low-cost line interface cards |
| 02/04/1997 | US5600467 Method and apparatus for reducing harmonic interference on multiplexed optical communication lines |
| 02/04/1997 | US5600466 Wavelength division optical signalling network apparatus and method |
| 02/04/1997 | US5600465 Optical demultiplexer operating in synchronism with a data stream having ascertainable pulse rate |
| 02/04/1997 | US5600128 Infrared receiver with variable input resistance for optical communication systems |
| 02/04/1997 | CA2066548C Fibre optical amplifier long distance signal transmission system |
| 02/01/1997 | CA2181218A1 Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
| 01/29/1997 | EP0756185A2 PD/LD module and PD module |
| 01/29/1997 | EP0755616A1 Transport network with high transmission capacity for telecommunications |
| 01/29/1997 | EP0521953B1 Optical apparatus |
| 01/29/1997 | CN2246312Y Anti-Robbing alarming device |
| 01/29/1997 | CN2246309Y infrared charging system for running automobile |
| 01/29/1997 | CN1141546A Mixed style comprehensive business connecting net work equipment and method for forming the net work |
| 01/28/1997 | US5598360 Automated system and corresponding method for testing electro-optic modules |
| 01/28/1997 | US5598294 Optical fiber amplifier and optical fiber communication system |
| 01/28/1997 | US5598290 Data transfer apparatus utilizing infrared rays |
| 01/28/1997 | US5598289 Optical systems making use of phenomenon of stimulated brillouin scattering |
| 01/28/1997 | US5598288 RF fiber optic transmission utilizing dither |
| 01/28/1997 | CA2062606C Low noise high power optical fiber amplifier |
| 01/27/1997 | CA2181771A1 Pd/ld module and pd module |
| 01/23/1997 | WO1997002673A1 Group modulator for a broadband communications system |
| 01/23/1997 | WO1997002669A1 Discriminating infrared signal detector and systems utilizing the same |
| 01/23/1997 | WO1997002634A1 Wavelength converter |
| 01/23/1997 | WO1997002633A1 Method of control of light amplification medium, light amplifier, and system using the same |
| 01/23/1997 | DE19534157C1 Optical coupling arrangement monitoring method |
| 01/23/1997 | CA2225865A1 Wavelength converter |
| 01/22/1997 | EP0755138A2 Network node device |
| 01/22/1997 | EP0754991A1 Fault tolerant distributed control system |
| 01/22/1997 | CN1140943A Method for TDMA management, central station, terminal station and network to perform this method |
| 01/22/1997 | CN1140932A Dynamic/static signal converting circuit for use in lamp driving device and method thereof |
| 01/22/1997 | CN1033884C Electric motor with frequency speed measuring electric generator |
| 01/21/1997 | US5596664 Transmitter module for optical interconnections |
| 01/21/1997 | US5596663 Fiber optic module |
| 01/21/1997 | US5596603 Device for wireless transmission of digital data, in particular of audio data, by infrared light in headphones |
| 01/21/1997 | US5596441 Optical polarization controller |
| 01/21/1997 | US5596438 Photoconductive spread-spectrum communications system |
| 01/16/1997 | WO1997001907A1 Self-healing network |
| 01/16/1997 | WO1997001897A1 Add/drop multiplexer node |
| 01/15/1997 | EP0753944A1 Device for reducing the optical noise due to four wave mixing |
| 01/15/1997 | EP0753771A2 Monomodal dispersion-shifted optical guide with large effective mode surface |
| 01/15/1997 | EP0753222A1 Optical telecommunications network |