Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
07/1989
07/06/1989DE3744072A1 Communication system for synchronous and asynchronous data transmission
06/1989
06/27/1989US4842357 Integrated wavelength division multiplexed optical sensor
06/20/1989US4841519 Apparatus for discriminating an optical signal from others and an apparatus for tuning an optical wavelength filter used in the same
06/20/1989CA1256172A1 Optimized guided wave communication system
06/13/1989US4839884 Multiple wavelength optical source and multiplexed light communication system
06/13/1989US4839614 Frequency referencing system and method
06/07/1989EP0319242A2 Subcarrier-multiplexed optical transmission systems using optical channel selection
06/07/1989EP0318581A1 High speed scrambling at lower clock speeds
06/06/1989US4837856 Fault-tolerant fiber optic coupler/repeater for use in high speed data transmission and the like
06/06/1989US4836634 Wavelength multiplexer/demultiplexer using optical fibers
06/06/1989CA1255400A1 Fiber soliton optical telecommunication system
06/01/1989WO1989005078A1 Optical communications network
06/01/1989WO1989005077A1 Optical communications network
06/01/1989WO1989005071A1 Apparatus and method for converting a frequency division multiplex to a time division multiplex
06/01/1989WO1989005070A1 Optical communications network
06/01/1989WO1989005069A1 Optical communications network
05/1989
05/31/1989EP0318335A1 Fault location in optical communications networks
05/31/1989EP0318334A1 Apparatus and method for converting a frequency division multiplex to a time division multiplex
05/31/1989EP0318333A1 Stations for a digital communications network
05/31/1989EP0318332A1 Synchronisation of digital communications network
05/31/1989EP0318331A1 Scrambling in a digital communications network
05/30/1989CA1254978A1 Digital communication network architecture for providing universal information services
05/16/1989US4831616 Multiplexed fiber optics wideband data distribution system
05/10/1989EP0314724A1 Control of optical systems.
05/10/1989CN1032891A Method of transmitting optical signal in both directions through light guide
05/09/1989US4829300 Signal generation
05/03/1989EP0313738A2 Method for bidirectionnally transmitting optical signals over optical fibres
04/1989
04/25/1989US4824201 Simultaneous transmission of LED and laser signals over single mode fiber
04/19/1989EP0208730B1 Optical fibre networks
04/18/1989CA1252821A1 Photonic switching
04/11/1989US4821255 Cross-connection of wavelength-division-multiplexed high speed optical channels
04/05/1989EP0310058A2 Time and wavelength division switching system
03/1989
03/28/1989US4817202 Process and apparatus for control and monitoring of installation by transmission of information and of commands by optical means
03/28/1989US4817100 Monitoring and controlling source stability
03/28/1989CA1251831A1 Frequency referencing system and method
03/07/1989US4811021 Dual polarization transmission system
02/1989
02/28/1989US4809362 For engagement with a beverage bottle cap
02/28/1989US4809256 Optical demultiplexer
02/23/1989WO1989001712A1 Light amplifier with ring-shaped guided beam, in particular ring laser diode
02/22/1989EP0304065A1 Telecommunication system with a star net of light-wave connections
02/08/1989CN1031003A Protocols for very high-speed optical lans
01/1989
01/26/1989WO1989000792A1 Simultaneous transmission of led and laser signals over single mode fiber
01/24/1989US4800555 Technique for repelling carriers in optical communications to minimize mutual interference
01/24/1989US4799797 Coherence multiplexing of optical sensors
01/24/1989CA1249341A1 Optical local area network employing microwave modulation techniques
01/17/1989CA1249029A1 Optical communication system
01/11/1989EP0298598A2 Optical communication system with a stabilized group of frequencies
01/10/1989US4797879 Packet switched interconnection protocols for a star configured optical lan
01/10/1989CA1248588A1 Intranetwork and internetwork optical communications systems and method
01/04/1989EP0297504A2 Wavelength multiplexed optical transmitter
12/1988
12/28/1988EP0296609A2 An apparatus for discriminating an optical signal from others and an apparatus for tuning an optical wavelength filter used in the same
12/28/1988EP0296201A1 Optical communications network
12/28/1988CA1247704A Optical communication system employing coherent detection and method
12/28/1988CA1247703A Wavelength multiplexed optical communications system and method
12/21/1988EP0295857A1 Optical multiplexing
12/21/1988EP0295620A2 Dual polarization transmission system
12/21/1988EP0295299A1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception.
12/20/1988US4792999 Wavelength agile optical receiver
12/15/1988WO1988010037A1 Optical multiplexing
12/15/1988WO1988010036A1 High speed scrambling at lower clock speeds
12/13/1988US4791630 Method and apparatus for optical communication by frequency modulation
12/13/1988US4791407 Communications system
12/07/1988EP0294133A2 Protocols for very high-speed optical LANs
11/1988
11/24/1988DE3716247A1 Optical communication system with wavelength-division and polarization-division multiplex
11/22/1988CA1245292A1 Spread spectrum code-division-multiple-access (ss- cdma) lightwave communication system
11/17/1988WO1988009093A1 Control of optical systems
11/08/1988CA1244546A1 Electrooptic devices
11/08/1988CA1244519A1 Optical networks
11/02/1988EP0288988A1 Adaptive antenna system for high frequencies, especially for ultra-high frequencies
10/1988
10/19/1988EP0286894A2 Optical multiplexing system and method
10/18/1988US4779266 Encoding and decoding for code division multiple access communication systems
10/18/1988US4779265 Multiple access communication system
10/18/1988US4778238 Optical communications systems and process for signal amplification using stimulated brillouin scattering (SBS) and laser utilized in the system
10/11/1988US4777664 For a local optical fibre network
10/11/1988US4777663 Data rate limiter for optical transmission system
10/04/1988US4775972 Optical fiber communication for local area networks with frequency-division-multiplexing
09/1988
09/28/1988EP0284293A2 A multichannel, multihop lightwave communication network
09/21/1988CN88101159A Technique for repelling carriers in optical communication to minimize mutual interference
09/20/1988US4773063 Optical wavelength division multiplexing/demultiplexing system
09/20/1988CA1242249A1 Optical fibre networks
09/13/1988CA1241995A1 Optical transmission network
09/07/1988EP0281306A2 A technique for repelling carriers in optical communications to minimize mutual interference
08/1988
08/30/1988US4768186 Multiplex transmission of analog signals by fiber optic channel
08/23/1988US4766588 Multiplexer and demultiplexer comprising optical switches and common electrodes
08/16/1988US4763969 Adjustable optical demultiplexer
08/09/1988US4763326 Service-integrating, digital message transmission system for joint transmission of narrow-band and broadband signals
08/09/1988US4763317 Digital communication network architecture for providing universal information services
08/03/1988EP0276905A1 An optical communications network
08/02/1988US4761777 Optical multiplex systems
07/1988
07/27/1988EP0275610A1 Optical transmitter
07/27/1988EP0275456A2 Wavelength agile optical receiving device
07/26/1988US4760569 Integrated optical multiplex-demultiplex module for optical communications transmission
07/19/1988US4759011 Intranetwork and internetwork optical communications system and method
07/14/1988WO1988005234A1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception
07/14/1988WO1988005233A1 Optical communications network
07/14/1988WO1988005232A1 An optical broadcast network
07/05/1988US4755987 High speed scrambling at lower clock speeds
06/1988
06/28/1988US4754452 Optical local area network using a common optical carrier with separate user angle modulation
06/22/1988EP0272162A1 Multiplexing device and demultiplexing device on an optical fibre
06/07/1988US4749247 Self-monitoring fiber optic link
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