Patents
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)
09/1986
09/03/1986EP0193396A2 Optical signal transmission system including pulsed FM modulator/demodulator
09/03/1986EP0193224A1 Manufacture of fiber optic couplers
09/03/1986EP0193190A2 Optical-information transmission system in the subscriber region
09/03/1986EP0193106A2 Optical component
09/03/1986EP0192795A1 Communication system comprising overlayed multiple-access transmission networks
09/03/1986EP0192730A1 Transmission of information by directed bundles of rays of electromagnetic waves having a maximum wavelength of 10mm.
08/1986
08/27/1986EP0192108A2 Control station
08/27/1986EP0191784A1 Optical receiver circuit.
08/27/1986EP0191780A1 High speed intensity modulated light source
08/27/1986CN86100231A Multi-star fiber optic network
08/27/1986CN85107246A Multiplex communication system
08/26/1986US4607909 Method for modulating a carrier wave
08/26/1986CA1210488A1 Fiber optic amplifier
08/26/1986CA1210455A1 Multi-channel multi-cell optoelectronic switching networks for multi-service telecommunications systems
08/20/1986EP0191589A2 Coherent distributed sensor and method using short coherence length sources
08/19/1986US4607370 Paired, separately controlled, and coupled or uncoupled stripe geometry semiconductor lasers
08/13/1986EP0190898A2 Fibre optic data network
08/13/1986EP0190662A2 T-Connection fiber-optic repeater
08/13/1986EP0190661A2 Multi-star fiber optic network improved access time
08/13/1986CN86101039A 光学部件 Optical components
08/12/1986US4606032 Astable optical multi-vibrator
08/12/1986US4606023 Guard time elimination in a time-division multiplexed, active star-coupled, half-duplex mode, synchronous communications network
08/12/1986US4606020 Efficient design technique for wavelength division multiplexing
08/05/1986US4603975 Apparatus and method for nighttime and low visibility alignment of communicators
07/1986
07/30/1986EP0189295A2 A signal modulation mode for a semiconductor laser
07/30/1986EP0189273A2 Fiber optic network with reduced coupling losses
07/30/1986EP0188889A2 Light modulator comprising an optical fibre
07/29/1986US4603421 Incoherent composite multi-emitter laser for an optical arrangement
07/29/1986CA1208815A1 Test equipment for manually testing an optical glassfibre subscriber line which is operated with bidirectional wavelength multiplex
07/29/1986CA1208814A1 Power reduction in multiplex optical communication
07/23/1986EP0188379A2 Multi-star fiber optic network
07/23/1986EP0188085A2 Optical fibre transmission systems
07/23/1986EP0187849A1 Selective optical detector, particularly for telecommunication devices and optical locators
07/22/1986CA1208380A1 Field instrumentation system
07/17/1986WO1986004205A1 Optical networks
07/17/1986WO1986004202A1 Muldex for optical transmission systems
07/17/1986WO1986004200A1 Optical fibre networks
07/16/1986EP0187696A2 Full duplex conferencing system
07/16/1986EP0187218A2 Liquid crystal modulator for speech and information transmission in the visible and infrared range
07/16/1986EP0187198A2 Method of manufacturing an integrated optical device
07/15/1986US4601064 Communication system
07/15/1986US4601027 Optical FDM system
07/15/1986US4600303 Method in the signal processing of a received train of pulses, and a receiver for carrying out the process
07/08/1986CA1207172A1 Optical fiber interconnection mechanism
07/02/1986EP0185749A1 Bidirectional optical data communications system.
06/1986
06/25/1986EP0185199A2 Optical receiver with negative feedback
06/24/1986CA1206576A1 Optically coupled integrated circuit array
06/19/1986WO1986003637A1 Vehicle to fixed station infrared communications link
06/18/1986EP0184673A2 Optical transmitter with driving circuit
06/17/1986US4596052 Coherent optical receiver
06/17/1986US4596050 Information processing system using optically encoded signals
06/17/1986US4596048 Communication system
06/17/1986US4595839 Bidirectional optical electronic converting connector with integral preamplification
06/17/1986CA1206204A1 Optical receiver having collision detection function
06/17/1986CA1206203A1 Optical coherent detector and demodulator
06/11/1986EP0184109A1 Method and arrangement for signalling over a digital transmission link
06/11/1986EP0184108A1 Method and arrangement for signalling over a digital transmission link by substituting messages by transmitted data
06/10/1986US4594562 Amplifier with current-voltage conversion, particularly preamplifier of an optical receiver
06/04/1986EP0183617A1 Optical-signal transmission from the steering wheel to other parts of a vehicle
06/04/1986EP0182908A1 Fiber optic communication module
06/04/1986EP0047779B1 Apparatus for nighttime and low visibility alignment of communicators
05/1986
05/27/1986US4592057 Versatile digital controller for light emitting semiconductor devices
05/27/1986US4592043 Wavelength division multiplexing optical communications systems
05/20/1986US4590619 Star coupler for local networks of optical communications system
05/14/1986EP0181146A2 Transimpedance amplifier circuit
05/14/1986EP0180861A2 Laterally coupled optical amplifier
05/13/1986US4588895 Device for the transmission of information
05/13/1986US4588296 Compact optical gyro
05/13/1986US4588262 Multi-laser switch
05/06/1986US4587421 Photo-optic transducing head assembly
05/06/1986US4586783 Signal coupler for buffered optical fibers
05/06/1986CA1204230A1 Broadband communication system
04/1986
04/30/1986EP0179550A2 Controlled star network
04/29/1986US4586186 Maintenance response signalling arrangement for a digital transmission system
04/23/1986EP0178323A1 Information processing system using optically encoded signals
04/22/1986US4584720 Optical communication system using pulse position modulation
04/22/1986US4584719 Fiber optic workstation datalink interface
04/22/1986CA1203649A1 Digital transmission system
04/16/1986EP0178278A1 Assembly for remotely controlling the credit of an automatic gaming machine by means of pulses
04/16/1986EP0178109A2 High-reliability optical transmission systems
04/15/1986US4583161 Data processing system wherein all subsystems check for message errors
04/15/1986EP0160093A4 Apparatus and method for a universal electronic locking system.
04/15/1986CA1203293A1 Transimpedance amplifiers
04/15/1986CA1203291A1 Linear amplifier circuits
04/09/1986EP0177217A2 Optical receiver
04/09/1986EP0177216A2 Optical receiver
04/09/1986EP0176788A2 Multiplex communication system
04/08/1986US4581770 Fail safe repeater for fiber optic bus distribution system
04/08/1986US4581731 Receiver for optical communication
04/08/1986US4580872 Collision detection apparatus utilizing tap means connected to each transmitting optical fiber for fiber optic Local Area Networks
04/02/1986EP0176448A2 Detector of a light beam with a photodiode and bias control circuit
04/02/1986EP0175994A1 Sending and receiving method for relay stations
04/01/1986US4580295 System for monitoring optical data bus transmissions
04/01/1986US4580294 Optical transmitter
04/01/1986US4580292 Communications exchange
03/1986
03/27/1986WO1986001958A1 Transmission of information by directed bundles of rays of electromagnetic waves having a maximum wavelength of 10mm
03/27/1986WO1986001907A1 Optical switching mean
03/19/1986EP0174729A1 Optical amplification
03/18/1986US4577209 Photodiodes having a hole extending therethrough
03/18/1986CA1202081A1 Optical communication system for drill hole logging