Patents for H04J 14 - Optical multiplex systems (27,009) |
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08/05/1992 | EP0497005A2 Access method for optical local area network systems |
08/04/1992 | US5136411 Dynamically responsive CATV system with shared fiber optic link |
07/30/1992 | CA2060114A1 Optoelectronic time division multiplexer and optoelectric time division demultiplexer |
07/29/1992 | EP0496676A1 Method and device for positioning frequencies, especially optical ones |
07/29/1992 | EP0496675A1 Procedure and communication network on optical fibres with frequency division multiplex |
07/29/1992 | EP0496674A1 Procedure and communication network with frequency assignment |
07/29/1992 | EP0496673A1 Procedure and message transmission network in frequency channels |
07/29/1992 | EP0496298A2 Quadrature optical phase modulators for lightwave systems |
07/28/1992 | US5134509 Coherent subcarrier multiplexed optical communication system |
07/25/1992 | CA2060097A1 Process and device for the relative positioning of a frequency, particularly a light wave frequency |
07/25/1992 | CA2059970A1 Process and network for transmitting messages over frequency channels |
07/25/1992 | CA2059907A1 Frequency allocation communication process and network |
07/24/1992 | CA2059835A1 Quadrature optical phase modulators for lightwave systems |
07/22/1992 | EP0314724B1 Control of optical systems |
07/09/1992 | WO1992011709A1 Optical communication monitoring and control |
07/08/1992 | EP0493817A2 Optical modulator for cancellation of second-order intermodulation products in lightwave systems |
07/08/1992 | EP0493816A2 Single sideband optical modulator for lightwave systems |
07/07/1992 | US5128955 Method for the operation of a light amplifier having arcuately or, respectively, annularly guided radiation, particularly a ring laser diode |
07/07/1992 | US5128790 Optical cable television transmission system |
07/07/1992 | CA1304783C Apparatus for bidirectional transmission of optical signals |
07/01/1992 | CA2058638A1 Single sideband optical modulator for lightwave systems |
07/01/1992 | CA2058580A1 Optical modulator for cancellation of second-order intermodulation products in lightwave systems |
06/24/1992 | EP0491495A1 Optical packet field coding |
06/17/1992 | EP0490439A1 Transmission system for the polarisation-insensitive transmission of signals |
06/12/1992 | WO1992010887A1 Optical communications system |
06/11/1992 | DE4038914A1 Analogue optical transmission system for television signal - divides electrical spectrum into several channels, converts to optical signals using respective transmitters and recombines using optical coupler |
06/10/1992 | EP0489525A2 Improvements relating to optical sensing systems |
06/10/1992 | EP0489444A2 Method for transmission and receipt of coherent light signals |
06/09/1992 | US5121381 Optical switching apparatus for digital signal cross connection and method of interswitch optical transmission of digital signals |
06/09/1992 | US5121240 Optical packet time compression and expansion |
06/07/1992 | CA2056643A1 Optical sensing systems |
06/03/1992 | EP0488241A2 Optical frequency division multiplexing network |
06/02/1992 | US5119454 Bulk optic wavelength division multiplexer |
05/27/1992 | EP0487392A1 Optical bidirectional multiplexing system and corresponding method |
05/27/1992 | EP0486931A2 Distance-measuring method and transmitting and receiving station for carrying out the same |
05/27/1992 | EP0486874A2 Multiplex digital communication system for transmitting channel identification information |
05/20/1992 | EP0485812A2 Device for the optical heterodyne reception of signals |
05/19/1992 | US5115331 High speed serial optical crossbar switch |
05/19/1992 | CA1301252C Optical communications network |
05/12/1992 | US5113459 Optical fiber telecommunication line with separate, optically transmitted service channels |
05/12/1992 | US5113458 Optical multiplexing |
05/12/1992 | US5113278 Communication system and apparatus using chip signals |
05/06/1992 | EP0483229A1 Data transmission on optical networks. |
05/05/1992 | USH1059 Fiber optic RF signal channelizer |
05/05/1992 | US5111519 Method of interference reduction for frequency multiplexed optical fiber communication |
05/05/1992 | US5111322 Polarization multiplexing device with solitons and method using same |
04/30/1992 | WO1992007430A1 Quasi-soliton communication system |
04/29/1992 | EP0482943A2 Bidirectional optical transmission method and apparatus therefor |
04/27/1992 | CA2054245A1 Bidirectional optical transmission method and apparatus therefor |
04/21/1992 | US5107360 Optical transmission of RF subcarriers in adjacent signal bands |
04/19/1992 | WO1992007432A1 Passive optical network |
04/19/1992 | WO1992007431A1 Passive optical network |
04/15/1992 | CN1016306B Technique for reducing distortion characteristics in fiber-optic links |
04/14/1992 | US5105293 Differential optical signal transmission using a single optical fiber |
04/14/1992 | US5105292 Asynchronous optical communication system |
04/07/1992 | US5103333 Photonic time-slot interchangers using cascade-structured integrated optical switches |
04/01/1992 | EP0478391A2 Optical wavelength filter device |
04/01/1992 | EP0477699A2 Optical communication system |
03/31/1992 | US5101450 Quadrature optical phase modulators for lightwave systems |
03/31/1992 | US5101291 Optical frequency conversion device |
03/31/1992 | US5101290 High-performance packet-switched wdm ring networks with tunable lasers |
03/25/1992 | EP0476566A2 Optical communication systems and optical nodes for use therein |
03/24/1992 | US5099114 Optical wavelength demultiplexer |
03/19/1992 | WO1992004791A1 Optical packet time compression and expansion |
03/18/1992 | EP0475331A2 Light transmission system with subcarriers |
03/18/1992 | EP0475016A2 Wavelength-multiplexed optical network system |
03/10/1992 | US5095381 Passive tap network |
03/04/1992 | EP0472752A1 Remote control apparatus with spread spectrum transmission link |
02/26/1992 | EP0472383A2 Apparatus and method for demodulating multiplexed signals |
02/26/1992 | EP0472296A1 High-performance packet-switched wdm ring networks with tunable lasers |
02/23/1992 | CA2049539A1 Demodulating multiplexed signals |
02/11/1992 | US5087982 Pulsed communication system |
02/05/1992 | EP0469382A2 Transmission apparatus for transmitting messages and additional signals |
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 | CA1295431C Optic system useful with metal service lines |
01/23/1992 | WO1991020113A3 Fiber optics system |
01/22/1992 | EP0467764A1 Optical switching system for frequency multiplexed signals |
01/22/1992 | EP0467396A2 Wavelength-multiplexed optical communication system and optical amplifier used therefor |
01/07/1992 | CA1294071C Spread spectrum optical communication system with heterodyne detection |
01/02/1992 | EP0463634A2 Wavelength-time-space division switching system |
12/31/1991 | US5077728 Frequency division multiple access network |
12/31/1991 | US5077727 Broadband information communications network system with coherent optical data transmission lines |
12/31/1991 | US5077698 Method and device for the high-rate transmission of data following a quasi-asynchronous mode |
12/31/1991 | CA1293827C Optical communication system with a stabilized "comb" of frequencies |
12/26/1991 | WO1991020113A2 Fiber optics system |
12/18/1991 | EP0461937A2 CATV signal distribution system using optical fibres |
12/18/1991 | EP0461583A1 Optical transmission system and method |
12/17/1991 | US5073980 Photonic switch employing shared data transmission facility |
12/16/1991 | CA2044667A1 Catv signal distribution system using optical fibers |
12/11/1991 | EP0460398A1 Passive optical telecommunication system |
12/04/1991 | EP0459119A2 Optical device |
11/28/1991 | DE4016359A1 Passive optical communications system for telecommunications network |
11/27/1991 | EP0458252A1 Long range bidirectional optical fiber communication link |
11/27/1991 | EP0458251A2 Single wavelength bidirectional optical fiber communication link |
11/26/1991 | US5068847 Fiber optic network architecture having data feedback for monitoring communications thereon |
11/22/1991 | CA2040755A1 Single wavelength bidirectional optical fiber communication link |
11/19/1991 | CA2042846A1 Method of receiving wavelength multiplex signals |
11/12/1991 | US5064263 Multiplexing apparatus for the direct optical reception of a plurality of optical wavelengths |
11/06/1991 | EP0455108A2 Coherent transmission method, crossconnect apparatus and switching apparatus |