| 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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| 10/13/1998 | US5821825 Optically controlled oscillator |
| 10/13/1998 | CA2127080C Sonet ring subnetwork management method |
| 10/10/1998 | CA2232526A1 Process and device to reshape binary signals |
| 10/08/1998 | WO1998044660A1 Optical transmission device and method for checking transmission in an optical transmission device |
| 10/08/1998 | WO1998044659A1 IrDA MODULATION/DEMODULATION INTEGRATED CIRCUIT DEVICE |
| 10/08/1998 | WO1998044658A1 IrDA MODULATION/DEMODULATION INTEGRATED CIRCUIT DEVICE |
| 10/08/1998 | WO1998044635A1 Duobinary coding and modulation technique for optical communication systems |
| 10/08/1998 | WO1998044605A1 Optical amplifier |
| 10/08/1998 | WO1998044494A1 System and method to compensate for data defects within a magneto-optical computer memory device |
| 10/08/1998 | DE19806298A1 Laser array IR transmitter |
| 10/08/1998 | CA2257097A1 Optical amplifier |
| 10/07/1998 | EP0869694A2 Wavelength division multiplexing communications network supervisory system |
| 10/07/1998 | EP0869634A2 Wavelength-division multiplexing in passive optical networks |
| 10/07/1998 | EP0869633A2 Communication system capable of transmitting a plurality of signals from a station to each subscriber through an optical transmission path |
| 10/07/1998 | EP0869631A2 Testing method for optical fiber |
| 10/07/1998 | EP0868810A1 An automatic subscriber callback system |
| 10/07/1998 | EP0868807A1 A telephone equipment protection circuit |
| 10/07/1998 | EP0868805A1 Modem loop current detect system to detect an off-hook condition in an extension telephone |
| 10/07/1998 | EP0868794A1 Dispersion slope compensation in optical transmission systems |
| 10/07/1998 | EP0868793A1 Improvements in fibre-break detection in optical signal transmission networks |
| 10/07/1998 | EP0868781A1 Electrical isolation between ir receiver and further electronic circuits |
| 10/07/1998 | EP0868767A1 Eyesafe transmission of hazardous laser beams |
| 10/07/1998 | EP0868704A1 Fault detection and modification circuit |
| 10/07/1998 | CN1195436A Add/drop multiplexer |
| 10/07/1998 | CN1195238A Optical transmitting and receiving apparatus |
| 10/06/1998 | US5818997 Modular building block for an optical interconnection network |
| 10/06/1998 | US5818984 Optoelectronic interconnection of integrated circuits |
| 10/06/1998 | US5818857 Stabilized DFB laser |
| 10/06/1998 | US5818814 Method and apparatus for synchronizing and controlling remote receiver |
| 10/06/1998 | US5818630 Single-mode amplifiers and compressors based on multi-mode fibers |
| 10/06/1998 | US5818629 Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt |
| 10/06/1998 | US5818620 Burst optical signal receiver |
| 10/06/1998 | US5818619 Wireless communication system |
| 10/06/1998 | US5818618 Positioning device |
| 10/06/1998 | US5818617 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith |
| 10/06/1998 | US5818616 Optical communication apparatus and conference system |
| 10/06/1998 | US5818328 For classroom use |
| 10/06/1998 | US5818216 For detecting a current flow through an electric conductor |
| 10/06/1998 | CA2106438C Packet mode digital data receiver |
| 10/06/1998 | CA2044670C Radio communication system |
| 10/02/1998 | CA2233798A1 Communication system capable of transmitting a plurality of signals from a station to each subscriber through an optical transmission path |
| 10/01/1998 | WO1998032023A3 Method of and apparatus for detecting and reporting faults in an all-optical communications system |
| 10/01/1998 | DE19712759A1 Bidirektionale optische Übertragungseinrichtung und Verfahren zur Überprüfung der Übertragung in einer bidirektionalen optischen Übertragungseinrichtung Bidirectional optical transmission device and method for checking the transmission in a bidirectional optical transmission device |
| 09/30/1998 | EP0868044A2 Bi-directional optical transmission system |
| 09/30/1998 | EP0868043A2 Multiplexed optical transmission systems |
| 09/30/1998 | EP0868039A2 Optical transmitting and receiving apparatus |
| 09/30/1998 | EP0868038A1 Burst mode digital optical receiver |
| 09/30/1998 | EP0867083A1 Meshed optical network |
| 09/30/1998 | CN2293159Y High sensitive infrared receiving device |
| 09/30/1998 | CN1194515A Two-way optical transmission system |
| 09/29/1998 | US5815521 Semiconductor laser with low beam divergence |
| 09/29/1998 | US5815308 Bidirectional optical amplifier |
| 09/29/1998 | US5815299 Method and system for equalizing respective power levels of channels of a received optical frequency division multiplexed signal |
| 09/29/1998 | US5815297 Infrared interface and control apparatus for consumer electronics |
| 09/29/1998 | US5815296 Optical communication method for performing communication using a plurality of wavelengths, and optical communication system for performing communication using a plurality of wavelengths |
| 09/29/1998 | US5815295 Optical communication system with improved maintenance capabilities |
| 09/29/1998 | US5815294 Optical transmission system with transmission characteristic measuring device |
| 09/29/1998 | US5815074 Signal transmission apparatus |
| 09/28/1998 | CA2232232A1 Optical transmitting and receiving apparatus |
| 09/26/1998 | CA2230878A1 Test method for a network element of an optical communication system and network element therefor with test module |
| 09/25/1998 | CA2232101A1 Dispersion compensating optical fiber, and wavelength division multiplex light transmission line using the same |
| 09/24/1998 | WO1998042088A1 Multiple stage optical fiber amplifier |
| 09/24/1998 | WO1998041900A1 Optical regeneration for optical fibre transmission systems with soliton signals |
| 09/24/1998 | DE19709174A1 Optisches Bussystem Optical bus system |
| 09/24/1998 | CA2255595A1 Optical regeneration for optical fibre transmission systems with soliton signals |
| 09/23/1998 | EP0866581A2 Methods and apparatus for secure optical communications links |
| 09/23/1998 | EP0866574A1 Dispersion compensating optical fiber, and communication system comprising the same |
| 09/23/1998 | EP0866573A2 Optical transmission apparatus having automatic wavelength control function |
| 09/23/1998 | EP0866572A2 Optical tranceiver using common optical path for transmission and reception |
| 09/23/1998 | EP0866358A1 Regenerator with optical modulation for fiber optic soliton transmission systems |
| 09/23/1998 | EP0813760B1 Wavelength control of data-modulated lasers |
| 09/23/1998 | CN1193855A Monitor optical signal generator for optical network monitoring system for multi-wavelength and long waves |
| 09/23/1998 | CN1193851A Optical transceiver using common optical path for transmission and reception |
| 09/23/1998 | CN1193752A Remotely pumping type multi-wavelength light transmission system |
| 09/23/1998 | CN1039956C Indium-gallic-arsenious photoelectric detector |
| 09/23/1998 | CN1039942C Amplifier having amplifying optical fiber |
| 09/22/1998 | US5812712 System for generating light for a fiberoptic network |
| 09/22/1998 | US5812711 Magnetostrictively tunable optical fiber gratings |
| 09/22/1998 | US5812710 Apparatus and method for optical equalization and amplification |
| 09/22/1998 | US5812709 Optical device having switching function |
| 09/22/1998 | US5812572 Intelligent fiberoptic transmitters and methods of operating and manufacturing the same |
| 09/22/1998 | US5812530 Network emulator in asynchronous transfer mode |
| 09/22/1998 | US5812318 Apparatus and methods for routing of optical beams via time-domain spatial-spectral filtering |
| 09/22/1998 | US5812307 Optical device and optical amplifier |
| 09/22/1998 | US5812306 Bidirectional WDM optical communication systems with bidirectional optical amplifiers |
| 09/22/1998 | US5812297 Bias system in an optical CATV modulator |
| 09/22/1998 | US5812296 Fiber optics transmission system |
| 09/22/1998 | US5812295 Optical subscriber transmission system and subscriber unit used in such |
| 09/22/1998 | US5812294 Linearized optical transmitter |
| 09/22/1998 | US5812290 Optical switching unit and control method for same |
| 09/22/1998 | US5812289 Optical repeater and optical transmitter |
| 09/22/1998 | US5812030 Amplifier device capable of carrying out a stable amplifying operation without a gain variation |
| 09/22/1998 | US5811867 Photo detective unit and electric apparatus using the same |
| 09/22/1998 | CA2130789C Fast tunable channel dropping filter |
| 09/22/1998 | CA2061299C Apparatus and a method for an optical fiber interface |
| 09/20/1998 | CA2230899A1 Optical modulation regenerator for soliton signal fibre transmission systems |
| 09/17/1998 | WO1998041001A1 Portable communication terminal with infrared link |
| 09/17/1998 | WO1998040981A1 Method for converting optical multiplex system channel signal modulation into subcarrier frequencies |
| 09/17/1998 | WO1998027748A3 Wireless communications station and system |
| 09/17/1998 | DE19811296A1 Integrated semiconductor circuit for optical signal transmission for IC tester |