Patents for H04J 14 - Optical multiplex systems (27,009) |
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06/22/1993 | CA2000646C Switch for selectively switching optical wavelengths |
06/20/1993 | CA2104103A1 Optical communications system and method for transmitting information through a single optical waveguide |
06/17/1993 | DE4141114A1 Optical broadband transmission system esp. for cable TV - divides signal mixt. into four sub-bands of not more than one octave width for light waveguide transmission |
06/16/1993 | EP0546705A1 Polarisation independent bragg grating for optical waveguides |
06/15/1993 | US5220580 Remote-control system with a spread-spectrum transmission link |
06/09/1993 | EP0507799A4 Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links |
06/08/1993 | US5218423 Method and apparatus for generating a plurality of radiation beams from incident radiation in a multiple wavelength interferometer |
06/02/1993 | EP0544564A1 Wide-band optical transmission device for a plurality of transient analogue signals |
06/02/1993 | EP0544216A1 A node for loop-type optical LAN and loop-type optical LAN using the same |
06/01/1993 | US5216532 Optical multiplexing |
06/01/1993 | US5216529 Holographic code division multiple access |
05/27/1993 | CA2083783A1 Multiple wideband stealth analog signal optical transmission device |
05/26/1993 | EP0543714A1 Optical fibre distribution apparatus |
05/26/1993 | EP0543570A2 Optical transmission system equalizer |
05/26/1993 | EP0543314A2 Optical signal equalizer for wavelength division multiplexed optical fiber systems |
05/19/1993 | EP0541983A1 Optical local area network system and nodal apparatus used therein |
05/18/1993 | US5212578 Selection of transmission facilities using optical wavelength division multiplexing |
05/18/1993 | US5212577 Optical communication equipment and optical communication method |
05/18/1993 | US5212534 Distance-measuring method and transmitting and receiving station for carrying out the same |
05/04/1993 | US5208692 High bandwidth network based on wavelength division multiplexing |
05/04/1993 | US5208691 Wavelength-time-space division switching system |
04/27/1993 | US5206920 Integrated optical arrangement for demultiplexing a plurality of different wavelength channels and the method of manufacture |
04/27/1993 | US5206857 Apparatus and method for timing distribution over an asynchronous ring |
04/20/1993 | US5204767 Pay-channel transmission system for CATV |
04/14/1993 | EP0536819A1 Wavelength division multiplexer and demultiplexer |
04/13/1993 | US5202782 Optical communication method and optical communication system |
04/13/1993 | US5202780 Optical communication system for the subscriber area |
04/07/1993 | EP0536041A1 Method for the dynamic allocation of subscribes to the central station of an optical communication network |
04/07/1993 | EP0535858A2 Selection of transmission facilities using optical wavelength division multiplexing |
04/05/1993 | CA2079765A1 Optical system for connecting subscriber terminals to a telecommunications network local exchange |
03/31/1993 | EP0534795A2 Method and apparatus for producing multiple light beams in a multiple wavelength interferometer |
03/31/1993 | EP0534147A1 Optical frequency comb generator |
03/31/1993 | EP0534146A2 Optical comb generator |
03/31/1993 | EP0534145A2 Optical comb generator |
03/31/1993 | EP0533843A1 Tunable light source and fibre optical systems with tunable light source |
03/30/1993 | CA1315340C Control of optical systems |
03/23/1993 | CA1314935C Optical communications network |
03/18/1993 | DE4130048A1 Optical multiplexer and demultiplexer for optical fibre communications - has structured waveguide layer formed in surface of doped semiconductor substrate |
03/17/1993 | EP0532021A2 Coherent subcarrier multiplexed optical communication system |
03/16/1993 | US5195161 A silicon layer and silicon dioxide cladding layer |
03/04/1993 | WO1993004543A1 Electrical-optical interface device |
03/02/1993 | US5191625 Terminal for a frequency divided, optical communication system |
03/02/1993 | US5191459 Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links |
03/02/1993 | US5191458 Optical electronic multiplexing reflection sensor system |
03/02/1993 | US5191457 Wdm optical communication wherein optical beams are modulated by channel discrimination signals of different frequencies by data signals |
02/23/1993 | US5189714 Optical wavelength filter device |
02/23/1993 | US5189542 System for the optical switching of frequency multiplexed signals |
02/23/1993 | US5189414 Network system for simultaneously coupling pairs of nodes |
02/03/1993 | EP0526286A1 Process for transmission by optical fibre of a signal resulting from a sensor, in particular from an hydrophone |
02/02/1993 | US5184240 De-multiplexer |
02/02/1993 | CA1313430C Photonic switch architecture utilizing code and wavelength multiplexing |
01/26/1993 | US5182667 Method of receiving wavelength multiplex signals |
01/20/1993 | EP0523921A1 Polarisation state insensitive optical discriminator |
01/20/1993 | EP0523780A2 Coherent optical telecommunication network |
01/13/1993 | EP0522379A2 Optical time multiplexing |
01/13/1993 | EP0521953A1 Optical apparatus. |
01/05/1993 | US5177630 Method and apparatus for generating and transferring high speed data for high speed testing applications |
12/30/1992 | EP0520494A2 System for transmitting data using wavelength division multiplexing |
12/30/1992 | EP0519956A1 An optical multiplexer |
12/22/1992 | US5173899 Tdma communications network of transmitting information between a central station and remote stations |
12/22/1992 | US5173794 Communication system |
12/16/1992 | CN1067143A Dynamic range enhancer |
12/15/1992 | US5172258 Method and apparatus for high data rate fiber optic communication system |
12/07/1992 | WO1992022151A1 Communications network and method |
12/02/1992 | EP0515919A2 Light transmission system and method |
11/26/1992 | WO1992021179A1 Dynamic range enhancer |
11/26/1992 | DE4116660A1 Optical data TV transmission system for subscriber connecting area with optical amplifiers |
11/26/1992 | CA2109587A1 Dynamic range enhancer |
11/17/1992 | US5165077 Optical drop-and-insert apparatus |
11/17/1992 | CA2066946A1 Apparatus and method for synchronizing a plurality of remote transmission and receiving stations |
11/11/1992 | EP0512642A1 Optical transceiver arrangement |
11/10/1992 | US5162937 Optical cable television transmission system |
11/09/1992 | CA2068126A1 Optical transceiver arrangement |
11/04/1992 | EP0511786A2 Apparatus and method for timing distribution over an asynchronous ring |
11/04/1992 | EP0368925B1 Light amplifier with ring-shaped guided beam, in particular ring laser diode |
11/03/1992 | US5161153 Synchronous network |
11/03/1992 | CA1309784C Wideband subcarrier multiplexed optical communication system operating over more than one octave |
11/03/1992 | CA1309783C High performance subcarrier multiplexed optical communication system with modulation index exceeding unity |
10/31/1992 | CA2065554A1 Opto-electronic interface for decoding wave division multiplexed manchester gray coded binary signal |
10/29/1992 | WO1992019051A1 A terminal for a frequency divided, optical communication system |
10/28/1992 | CN1018882B Asychronous optical communication system |
10/20/1992 | US5157530 Optical fiber system |
10/14/1992 | EP0507799A1 Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links |
10/07/1992 | EP0507508A2 Polarization multiplexing with solitons |
10/06/1992 | US5153764 Control of optical systems |
09/30/1992 | EP0506567A1 Quickly reconfigurable wavelength division muliplexer |
09/23/1992 | EP0504492A1 Device for combining different electrical signals by means of an optical carrier modulation |
09/23/1992 | EP0504248A1 Optical fibre communications system. |
09/22/1992 | US5150247 Fiber optic telecommunication system employing continuous downlink, burst uplink transmission format with preset uplink guard band |
09/08/1992 | US5146358 Optical communications system and method for transmitting information through a single optical waveguide |
09/01/1992 | US5144467 Optical tuning method and apparatus suitable for selective reception of optical frequency division multiplex signals |
09/01/1992 | US5144466 Optical fiber communication method and multimedia optical fiber network using the same |
08/26/1992 | EP0500452A1 Optical communication network |
08/26/1992 | EP0295299B1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception |
08/25/1992 | US5142532 Communication system |
08/19/1992 | EP0499065A2 Optical transmission system for the subscriber connection area with optical amplifiers |
08/18/1992 | US5140451 Aircraft signal distribution system |
08/13/1992 | DE4104084A1 Optical data transmission system for subscriber connecting areas with optical amplifiers - involves central control with two-way TV and data signal exchange with star-star structure |
08/05/1992 | EP0497668A1 An optical time multiplexer and an optical time demultiplexer |
08/05/1992 | EP0497358A1 Integrated optical device for demultiplexing various channels of different wavelengths and method of manufacturing therefor |