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

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)
09/1988
09/13/1988	CA1241993A1 Closed loop transmission system
09/08/1988	DE3706587A1 Contactless optical device for transmitting data between a rotating and a stationary part
09/08/1988	DE3706463A1 Balanced optical receiver with automatic balancing
09/07/1988	WO1988006829A1 Improvements relating to pipeline sort matrices
09/07/1988	WO1988006828A1 Signal switching processor
09/07/1988	WO1988006747A1 Coupler
09/07/1988	WO1988006745A1 Optical device with a non reciprocal polarization rotator
09/07/1988	WO1988006740A1 Optical space transmission apparatus
09/07/1988	EP0281306A2 A technique for repelling carriers in optical communications to minimize mutual interference
09/07/1988	EP0281188A2 Laser diode control
09/07/1988	EP0280722A1 Impedance matched optoelectronic components using lossless elements
09/06/1988	US4769853 High dynamic range fiber optical link
09/06/1988	US4768854 Optical fiber distribution network including nondestructive taps and method using same
09/06/1988	US4768853 Optical fiber dispersion transformer
09/06/1988	US4768848 Fiber optic repeater
08/1988
08/31/1988	EP0280075A2 Optical receiver with polarisation diversity
08/31/1988	EP0279852A1 Off axis optical communication system.
08/30/1988	US4768186 Multiplex transmission of analog signals by fiber optic channel
08/30/1988	US4767207 Apparatus for measuring transmission characteristics of an optical fiber
08/30/1988	US4767195 System and method for encoding information onto an optical beam
08/30/1988	US4767175 Rotary device for transmitting light signals including annular photoelectric transducers
08/30/1988	US4767168 Hybrid connector cable system
08/25/1988	WO1988006393A1 Optical space switch
08/25/1988	WO1988006386A1 Telephone network coupler
08/25/1988	WO1988006303A1 Polarisation controller
08/24/1988	EP0279679A1 Optical space switch
08/23/1988	US4766471 Thin film electro-optical devices
08/23/1988	US4765738 Method and apparatus of measuring frequency response in an optical receiving system
08/23/1988	US4765735 Method of measuring a mode partition characteristics of a laser diode and an apparatus of the same
08/23/1988	US4765706 Optical communications system including a directional coupler
08/18/1988	DE3703325A1 Optical polarisation diversity receiver
08/17/1988	EP0278835A1 Optical remote control of an electrical device
08/17/1988	EP0278775A2 Optical fiber tap utilizing reflector
08/17/1988	EP0278450A2 An optical matrix switch
08/16/1988	US4764984 Fluorescent sensors for infrared free-space links in data communication systems
08/16/1988	US4764983 Communication laser alignment assembly
08/16/1988	US4764982 Communicating with a mobile vehicle
08/16/1988	US4764980 System for measuring delay time variation in optical fiber digital communication system
08/11/1988	WO1988005986A1 Bidirectional optical space switch
08/11/1988	WO1988005980A1 System for the remote control of an electric device by optical means
08/10/1988	EP0277779A1 Optical space switch
08/10/1988	EP0277503A2 Optical network for homo or heterodyne reception
08/10/1988	EP0277427A1 Methods and devices for altering optical polarisation
08/10/1988	EP0078843B1 Information distribution system
08/10/1988	CN87108355A Circuit arrangement of integrated coupling circuit for duplex optical communication
08/09/1988	CA1240420A1 Shared laser lightwave transmission systems
08/04/1988	DE3701863A1 Transmitter for coherent optical communications
08/04/1988	DE3701788A1 Underwater cable transmission section with optical transmission elements
08/03/1988	EP0276905A1 An optical communications network
08/02/1988	US4761833 Optical fibre network
08/02/1988	US4761831 Optical repeaters
08/02/1988	US4761777 Optical multiplex systems
08/02/1988	CA1240020A1 Telesignalling method and device for a digital transmission link
08/02/1988	CA1240013A1 Control signalling arrangement for a digital transmission system
08/02/1988	CA1239821A1 Fibre-optic switching means
07/1988
07/27/1988	EP0276071A2 Hybrid laser for optical communications
07/27/1988	EP0275947A2 Image enhancement for fiber optics transmission
07/27/1988	EP0275920A2 Heterodyne optical receiver having an optical coupler and an electronic amplifier
07/27/1988	EP0275768A1 Device for amplifying optical signals in a photosensitive medium
07/27/1988	EP0275673A1 Optical communication systems
07/27/1988	EP0275663A1 Optical signal processing
07/27/1988	EP0275610A1 Optical transmitter
07/27/1988	EP0275456A2 Wavelength agile optical receiving device
07/26/1988	US4760569 Integrated optical multiplex-demultiplex module for optical communications transmission
07/26/1988	US4759631 System for transmission loss comparison
07/26/1988	CA1239666A1 Optical fiber data link system
07/26/1988	CA1239665A1 Bidirectional optical data communications system
07/20/1988	EP0274796A1 Optical light waveguide switching element, and switching matrix composed of a multitude of such an element
07/20/1988	EP0274750A2 Circuit arrangement of an integrated coupling circuit for duplex optical communication
07/19/1988	US4759081 Optical receiver
07/19/1988	US4759080 Coherent optical communication system with FSK heterodyne or homodyne detection and little influence by distortion of a modulated optical signal
07/19/1988	US4759011 Intranetwork and internetwork optical communications system and method
07/14/1988	WO1988005234A1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception
07/14/1988	WO1988005233A1 Optical communications network
07/14/1988	WO1988005232A1 An optical broadcast network
07/14/1988	WO1988005215A1 Fiber-optic feed network using series/parallel connected light emitting opto-electronic components
07/14/1988	WO1988005212A2 Ultra high-speed light activated microwave switch/modulator using photoreactive effect
07/14/1988	WO1988004034A3 Avalanche photodiode quenching circuit
07/13/1988	EP0274040A1 Operational data acquisition device
07/13/1988	EP0168444B1 Circuit with optical bus
07/12/1988	US4757553 Communication system with portable unit
07/12/1988	CA1239192A1 Coupled loop controller for a laser transmitter
07/07/1988	DE3644086A1 Circuit for maintaining the standby facility of an infrared power radiator
07/05/1988	US4756025 Method and device for data transmission over several parallel lines, in particular optical fibers
07/05/1988	US4755016 Coherent lightwave transmitters
06/1988
06/30/1988	WO1988004868A1 Opto-electrical power transmission and control system
06/30/1988	WO1988004867A1 A method and an arrangement for increasing the dynamic range at an input stage of an optical receiver
06/30/1988	WO1988004790A1 Optical signal processing device
06/30/1988	WO1988004785A1 Optical synthesizing/branching filter and optical module using the same
06/29/1988	EP0272911A2 Data rate limiter for optical transmission system
06/29/1988	EP0272258A1 Fabrication of optical fibres.
06/28/1988	US4754452 Optical local area network using a common optical carrier with separate user angle modulation
06/28/1988	US4753508 Optical coupling device
06/28/1988	US4753506 Off axis optical communication system
06/28/1988	CA1238705A1 Method of fault location on optical transmission line and device therefor
06/28/1988	CA1238687A1 Optical signal transmission system including pulsed fm modulator/demodulator
06/22/1988	EP0271934A1 Device for optical heterodyne detection of an optical signal beam and optical transmission system provided with such a device
06/21/1988	US4752693 Voltage/current converter
06/15/1988	EP0271196A1 Optical interface
06/15/1988	EP0271128A2 Infra-red transmit/receive unit for omnidirectional transmission in horizontal direction, and infra-red communication system provided with a number of said units

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