Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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)
11/1987
11/30/1987EP0094431A4 Telemetry system with signal booster for digital data transmission through a transmission line.
11/25/1987EP0246662A1 Receiver for optical digital signals having various amplitudes
11/25/1987EP0152407B1 Communication network
11/24/1987US4709416 Laser bias current stabilization for burst mode fiber optic communication system
11/24/1987US4709415 T-carrier fiber optic modem
11/24/1987US4709414 Optical fiber order wire system
11/24/1987US4709413 Bidirectional fiber optic systems
11/24/1987US4709411 Optical communication system
11/24/1987US4709154 Opto-electrical signal converter with stabilization
11/24/1987US4708425 Bidirectional optical wavelength multiplexer-demultiplexer
11/24/1987US4708424 Transmissive single-mode fiber optics star network
11/24/1987CA1229655A1 Led driver circuit
11/19/1987WO1987007091A1 Optical amplifiers
11/19/1987EP0246004A2 Single-photodiode optical heterodyne mixers
11/19/1987EP0245282A1 Optical underwater communicator
11/17/1987US4707062 Star-shaped coupler
11/17/1987US4707061 Optical communication system employing frequency reference
11/11/1987EP0245160A1 X-ray installation with a communication network
11/11/1987EP0245153A1 X-ray system with several ring-connected devices and a short-circuiting arrangement for each device
11/11/1987EP0245085A1 Optical amplifiers
11/11/1987EP0245026A2 Optical heterodyne mixers providing image-frequency rejection
11/11/1987EP0244883A2 Method for data acquisition over an optical transmission line using optical sensors
11/10/1987US4706300 Optical heterodyne detection pulse receiving system and method
11/10/1987US4705960 Control device including a conductively isolated depluggable controller
11/10/1987US4705350 Optical transmission network
11/05/1987WO1987006735A1 Method and apparatus for optical rf phase equalization
11/05/1987WO1987006734A1 Method and apparatus for optical rf amplitude equalization
11/03/1987US4704741 Bidirectional optical communication system
11/03/1987US4704713 Optical ring network
10/1987
10/29/1987DE3613738A1 Signal transmission device with integrated electrooptical light modulator
10/28/1987EP0242802A2 Optical-wavelength-division multiplex transmission system with an optical filter for spontaneous emission noise
10/28/1987EP0242780A2 A high repetition rate laser source having high power
10/28/1987EP0242367A1 Asynchronous communication system.
10/27/1987US4703474 Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system
10/26/1987EP0148266A4 Wavelength division multiplexing optical communications systems.
10/22/1987WO1987006411A1 Improvements in or relating to integrated circuits
10/21/1987EP0241527A1 Optical communications system and user terminal therefor
10/20/1987US4701927 Light emitting chip and optical communication apparatus using the same
10/20/1987US4701904 Optical local area network employing microwave modulation techniques
10/14/1987EP0241039A2 Optical-fibre transmission system with polarization modulation and heterodyne coherent detection
10/14/1987EP0240512A1 Frequency referencing system and method.
10/13/1987USRE32521 Light demodulator and method of communication employing the same
10/13/1987US4700352 FSK laser transmitting apparatus
10/13/1987US4700339 Wavelength division multiplexed soliton optical fiber telecommunication system
10/13/1987US4700057 Light source with power stabilizer having temperature compensation
10/13/1987US4699468 Liquid crystal modulator for the transmission of information, including speech, in the visible and infrared range
10/13/1987US4699452 Optical communications system comprising Raman amplification means
10/08/1987WO1987006084A1 Optical communication system
10/07/1987EP0240157A2 A single transmission line bidirectional optical communication system
10/07/1987EP0240146A2 Method and apparatus for the channelized serial transmission of redundantly encoded binary data
10/07/1987EP0240124A2 Lightwave communication system
10/07/1987EP0240119A2 Optical communications system and method
10/07/1987EP0239591A1 Optical distribution system
10/07/1987CN87102265A Method and apparatus for channelized serial transmission of redundantly encoded binary data
10/06/1987US4697926 Coherent distributed sensor and method using short coherence length sources
10/01/1987DE3610573A1 Arrangement for controlling polarisation
09/1987
09/30/1987EP0239286A2 Photonic switching
09/29/1987US4697284 Single-photodiode optical heterodyne mixers
09/24/1987WO1987005762A1 Optical data bus and magnetometer
09/24/1987WO1987005761A1 Improvements relating to communication systems
09/23/1987EP0237807A2 Information transmission method and uses
09/23/1987EP0237708A1 Dental suction device
09/22/1987US4696063 Optical fiber bandwidth limiting method
09/22/1987US4696061 Acousto-optic R-F receiver which is tunable and has adjustable bandwidth
09/22/1987US4696060 Optical transmission systems
09/22/1987US4695120 Optic-coupled integrated circuits
09/22/1987CA1227296A1 Optical communications systems
09/17/1987DE3607885A1 Intercom device
09/17/1987DE3607688A1 Receiver (reception module) for an optical communications path
09/16/1987EP0237370A1 Aircraft aerodynamic surface control system
09/16/1987EP0237237A2 Mounting arrangements for optical conductors
09/16/1987EP0236796A2 Optical switching system
09/16/1987EP0236432A1 Optical fiber bandwidth limiting method.
09/16/1987EP0236378A1 Process for evaluating pulses of electromagnetic radiation.
09/16/1987EP0105319B1 An optical switch and a time division optical demultiplexer using such switch
09/15/1987US4694504 Synchronous, asynchronous, and data rate transparent fiber optic communications link
09/15/1987US4693545 Apparatus for the controlled transmission of light
09/15/1987CA1226930A1 Method for modulating a carrier wave
09/09/1987EP0236180A1 Telephonic communication system with a portable hand set
09/09/1987EP0235974A2 Generation of a sequence of optical pulses and communication system using such pulses
09/09/1987EP0235955A2 Second harmonic generation with schiff bases
09/09/1987EP0235920A1 Monitoring and controlling radiation source stability
09/09/1987EP0235919A1 Frequency locking radiation beams
09/09/1987EP0235802A2 A method of measuring a mode partition characteristic of a laser diode and an apparatus of the same
09/09/1987EP0235662A2 Optical transmitter comprising an optical frequency discriminator
09/09/1987EP0235157A1 Optical communication apparatus for a vehicle.
09/08/1987US4692687 Optical pulse receiving device
09/08/1987US4692606 Modulated light source with power stabilized according to data signal
09/02/1987EP0234804A2 Guided wave communication system
09/02/1987EP0234744A1 Reducing fluctuations in a radiation beam characteristic
09/02/1987EP0234730A2 Multiplex transmission of analog signals by fiber optic channel
09/02/1987EP0234280A1 Communication system light switch having three light connections
09/01/1987USH333 Nonimaging identification structure
09/01/1987US4691386 Optical transmission channel with electrical connectors
09/01/1987US4691385 Optical communication apparatus for a vehicle
09/01/1987US4690491 Building data transmission system
09/01/1987US4690489 Integrated optical wavelength multiplexer and demultiplexer device for monomode transmission systems and its use
08/1987
08/27/1987WO1987005120A1 A device for providing an information transferring communication between electric components or circuits
08/26/1987EP0233749A2 Acousto-optic fiber-optic frequency shifter using periodic contact with a surface acoustic wave
08/26/1987EP0233638A2 Process and device for the data transmission from an electrical source (battery) to a data-processing-unit
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