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)
06/1996
06/13/1996WO1996018111A1 Device for locating defects in underwater telecommunication links
06/12/1996EP0716522A2 Wavelength division multiplexed hybrid ring suitable for use in regional area networks
06/12/1996EP0716521A2 Ring network communication structure on an optical carrier and reconfigurable node for said structure
06/12/1996EP0716516A1 Polarization diversity detection of optical signals transmitted through a polarization-mode dispersive medium
06/12/1996EP0716515A1 Arrangement and method for operating and testing an optical device
06/12/1996EP0716486A1 Wavelength convertor
06/12/1996EP0715787A1 Optical rotary control device using a microprocessor
06/12/1996EP0632942B1 Process for allotting transmission time slots in a passive optical network
06/12/1996CN1124550A Arrangement for monitoring a light-guide transmission section
06/12/1996CN1124425A Amplified telecommunication system for wavelengthdivision multiplexing transmissions capable of limiting variations in the output power
06/12/1996CN1032029C Unit for amplifying signals of light in optical fiber transmission lines
06/11/1996US5526346 Tree structured star telecommunication system including multitrate frames
06/11/1996US5526164 Optical transmission system comprising a laser diode
06/11/1996US5526163 Optical amplifier and optical communication system with optical amplifier using pumping light beam
06/11/1996US5526162 Synchronous polarization and phase modulation for improved performance of optical transmission systems
06/11/1996US5526161 Communication control method and apparatus
06/11/1996US5526160 Optical transmitter and receiver device with a single optical module
06/11/1996US5526159 Method and circuit arrangement for electric compensation of signal distortion caused by laser chirp and fiber dispersion
06/11/1996US5526158 Low-bias heterodyne fiber-optic communication link
06/11/1996US5526157 Optical submarine cable system
06/11/1996US5526156 Device for the phase realignment of ATM cells optical ATM nodes
06/11/1996US5526154 Method of establishing a subscriber connection and a subscriber network
06/11/1996US5526153 Optical channel adding/dropping filter
06/11/1996US5526152 Repeater-less multigigabit lightwave buses with optical amplifiers
06/11/1996US5525929 Transimpedance amplifier circuit with feedback and load resistor variable circuits
06/11/1996CA2044919C Light communication system
06/08/1996CA2164356A1 Wavelength division multiplexed hybrid ring suitable for use in regional area networks
06/06/1996WO1996017417A1 Sender/receiver array for an optical duplex system
06/06/1996WO1996017262A2 Multiple modal optical fiber intrusion-alarmed communication and sensor systems
06/05/1996EP0715439A2 Decision device for burst-mode receiver
06/05/1996EP0715191A2 Gain control for optically amplified systems
06/05/1996EP0714574A1 Method and apparatus for the monitoring and demarcation of synchronous optical network
06/05/1996CN1124002A Infrared wireless microphone
06/05/1996CN1123975A Infrared rays receiver
06/04/1996USRE35262 Efficient single-hop directional multichannel system
06/04/1996US5524218 System for communicating data packets
06/04/1996US5524144 Optical transmission apparatus
06/04/1996US5524118 Wavelength-varying multi-wavelength optical filter laser using a single pump light source
06/04/1996US5524014 Optical frequency translator
06/04/1996US5523879 Optical link amplifier and a wavelength multiplex laser oscillator
06/04/1996US5523875 Automatic gain control circuit
06/04/1996US5523874 Optical soliton pulse transmission system
06/04/1996US5523870 Optical transmission system
06/04/1996US5523869 System and method for line-conducted digital communication
06/04/1996US5523868 Apparatus and method for monitoring power loss in a telecommunications system
06/04/1996CA2054504C Optical packet switch
06/04/1996CA2050047C Thermo-electric temperature control arrangement for laser apparatus
06/04/1996CA2048198C Growable switch
05/1996
05/30/1996WO1996016490A1 Optical network
05/30/1996WO1996016456A1 Optical q-switching to generate ultra short pulses in diode lasers
05/30/1996WO1996009699A3 Optical unit for restoring a pulse pattern, and receiver suitable for use in a transmission system comprising such a unit
05/30/1996WO1996008886A3 Optical communication system
05/30/1996DE4444470A1 Sender/Empfänger-Anordnung für ein optisches Duplexsystem Transmitter / receiver arrangement for a duplex optical system
05/30/1996DE4441021A1 Intermodulation distortion reduction circuit in broad band nonlinear network or component
05/29/1996EP0714187A2 Optical fiber amplifier and optical amplifier repeater
05/29/1996EP0714182A2 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratio
05/29/1996EP0713620A1 Transmission system and receiver with polarization control
05/29/1996EP0713584A1 Optical system
05/29/1996CN1123493A Receiving system having a large dynamic range
05/29/1996CN1123417A Optical module for two-way transmission
05/28/1996US5522004 Device and method for dispersion compensation in a fiber optic transmission system
05/28/1996US5521754 Optical apparatus and a method using the apparatus, which utilizes the occurrence of a change in a both-end voltage of an amplifying region
05/28/1996US5521752 Fiber-optic amplifier with a device for monitoring the input power
05/28/1996US5521738 Data encoded optical pulse generator
05/28/1996US5521737 Optical amplifier and optical communication system with optical amplifier using pumping light beam
05/28/1996US5521736 Control circuits for parallel optical interconnects
05/28/1996US5521734 One-dimensional optical data arrays implemented within optical networks
05/28/1996US5521733 Optical switching device for wavelength-multiplexing optical communication
05/28/1996US5521732 Optical wavelength selection control system in optical networks
05/28/1996CA1338357C Transmission line switching system
05/26/1996CA2163715A1 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the opticalsignal/noise ratio
05/23/1996WO1996015595A1 Mobile radio-equipment plug connector
05/23/1996WO1996015546A1 Method and apparatus for controlling lamp intensity
05/22/1996EP0713343A2 Portable multi-information communication device
05/22/1996EP0713335A2 System and method for wireless capture of encoded data transmitted with a television, video or audio signal and subsequent initiation of a transaction using such data
05/22/1996EP0713297A2 Wireless communication apparatus
05/22/1996EP0713273A2 Optical fiber amplifier
05/22/1996EP0712552A1 Optical fibre communications system
05/22/1996EP0525058B1 Fault signalling in an optical communications link
05/21/1996US5519796 Gain equalization using monolithic planar waveguide grating multiplexer and demultiplexer
05/21/1996US5519695 Switch element for fiber channel networks
05/21/1996US5519530 Peak compression circuit and light transmitter
05/21/1996US5519528 Method of optical fiber communication
05/21/1996US5519527 Modem for communicating with enclosed electronic equipment
05/21/1996US5519526 Optical protocols for communication networks
05/21/1996CA2070296C Method for determining equalisation delays in a transmission system and related transmission system
05/17/1996CA2162975A1 Optical fiber amplifier
05/16/1996CA2162614A1 System and method for wireless capture of encoded data transmitted with a television, video or audio signal and subsequent initiation of a transaction using such data
05/15/1996EP0712228A2 Portable test and communication device
05/15/1996EP0712217A2 Optical-fiber amplifier comprising polarization limiting means
05/15/1996EP0712216A1 Method to operate an optical broadband connection line lying between an optical fibre connection and a passive optical interface
05/15/1996EP0712161A1 Semiconductor assembly for a free space bidirectional optical transmission system
05/15/1996CA2162762A1 Wireless-wireline communication selection mechanism resident in craftsperson's portable test and communications device
05/14/1996US5517608 Communication apparatus and method
05/14/1996US5517519 Apparatus for repowering and monitoring serial links
05/14/1996US5517383 Branching unit for submarine systems
05/14/1996US5517351 Optical receiver apparatus
05/14/1996US5517348 Voltage controlled transparent layer for a bi-directinal device
05/14/1996US5517346 Optical wavelength shifting apparatus
05/14/1996US5517035 Broadband optical receiver with transformer coupled input circuit which is balanced to minimize stray capacitances
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