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)
12/1996
12/03/1996US5581557 Method used in a communication network for determining access of user stations to a main station thereof
12/03/1996US5581554 Multiple access telecommunication network
12/03/1996US5581389 Light frequency control apparatus
12/03/1996US5581388 Method of and device for the fine synchronization of aim cells in optical ATM nodes
12/03/1996US5581387 Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive optical network
12/03/1996US5581386 Method of terminal control signal transmission and photonic switching system incorporating said method
12/03/1996US5581212 Fully differential CMOS transconductance-transimpedance wide-band amplifier
12/03/1996US5581077 For use in an integrated circuit
11/1996
11/30/1996CA2177527A1 Process and device for combining light signals
11/28/1996WO1996037982A1 System related to information-carrying signals
11/28/1996WO1996037933A1 Laser transmitting or receiving devices and method, for optically transmitting information
11/28/1996DE19519486A1 Optical transceiving device for bidirectional transmission via optical fibre
11/27/1996EP0744844A1 Method of inscription of binary data on a carrier wave, especially optical, and transmission system using this method
11/27/1996EP0744797A1 Multiwavelength source
11/27/1996EP0744649A2 Reshaping device for optical short pulses
11/27/1996EP0744102A1 Method and device for driving a radiation emitting device
11/27/1996EP0744019A1 Circuit arrangement for receiving light signals
11/27/1996EP0545982B1 Optical communications system
11/26/1996US5579428 Solitons in dispersion flattened waveguide
11/26/1996US5579426 Fiber image guide based bit-parallel computer interconnect
11/26/1996US5579421 Optical integrated circuits and methods
11/26/1996US5579370 Portable telephone system
11/26/1996US5579321 Telecommunication system and a main station and a substation for use in such a system
11/26/1996US5579145 Automated system and corresponding method for measuring receiver time delay of electro-optic modules
11/26/1996US5579143 Optical system with tunable in-fiber gratings
11/26/1996CA2028639C Low-noise active fiber optical amplifier with pumping power reflector
11/25/1996CA2177220A1 Multiwavelength light wave source
11/21/1996WO1996037056A1 Optical communication systems minimizing dispersion
11/21/1996WO1996037055A1 Arrangements relating to light emitting devices
11/21/1996WO1996037042A1 Method and apparatus for transmitting signals in an optical fibre
11/21/1996WO1996024989A3 Multi-point to point communication system
11/21/1996DE19619780A1 Optical transmission system with transmission module and modulator
11/21/1996DE19619732A1 Datenübertragungsvorrichtung für einen Drucker Data transmission apparatus for a printer
11/21/1996DE19600194A1 Optical transmitter appts. for optical fibre communication
11/21/1996CA2221445A1 Method and apparatus for transmitting signals in an optical fibre
11/21/1996CA2220305A1 Arrangements relating to light emitting devices
11/20/1996EP0743771A2 Optical communication method for performing communication using a plurality of wavelengths, and optical communication system for performing communication using a plurality of wavelengths
11/20/1996EP0743722A2 High-power pumping of three-level optical fiber laser amplifier
11/20/1996EP0478750B1 Optical signal distribution network
11/20/1996CN1136247A Bidirectional optical telecommunication system comprising bidirectional optical amplifier
11/20/1996CN1136246A Optical telecommunication method providing transmitting and receiving service channel
11/19/1996US5577139 Integrated-circuit optical network unit
11/19/1996US5577138 Integrated-circuit optical network unit
11/19/1996US5576881 Multi-frequency optical signal source having reduced distortion and crosstalk
11/19/1996US5576877 Automated system, and corresponding method, for measuring receiver signal detect threshold values of electro-optic modules
11/19/1996US5576876 Optical regenerator and an optical transmission system
11/19/1996US5576875 Telecommunications network organized in reconfigurable wavelength-division-multiplexed optical loops
11/19/1996US5576873 Telecommunications switch architecture
11/19/1996US5576871 Method for optical communications
11/14/1996WO1996036139A2 Single fiber transceiver and network
11/14/1996WO1996035972A1 Optical fiber interface for integrated circuit test system
11/14/1996DE19618924A1 Verbindungssystem zur Verbindung von modularen elektrischen und/oder elektronischen Baugruppen A connection system for connecting modular electrical and / or electronic assemblies
11/14/1996DE19602677C1 Frequency stabilisation method for WDM multiplexer=demultiplexer with optical phased array
11/13/1996EP0742651A2 Optical transceiver
11/13/1996EP0742650A1 Optical fiber telecommunication line comprising amplifiers of the transmitted signals and amplifiers for said line
11/13/1996EP0742623A2 Optical semiconductor device, driving method therefore, its use as a light source and optical communication system using the same
11/13/1996EP0741956A1 Method and apparatus for controlling an electro-optical switch
11/13/1996EP0741934A1 Wdm network with control wavelength
11/13/1996CN1135820A Cryptographic receiver
11/13/1996CN1135819A Optical fiber communications system
11/12/1996US5574719 Transmission system
11/12/1996US5574590 Optical amplifying transmitting system
11/12/1996US5574589 Self-amplified networks
11/12/1996US5574588 Phase lock loop circuit using optical correlation detection
11/12/1996US5574584 Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing
11/12/1996US5574553 Ladar receiver incorporating an optical amplifier and polarization optical mixer
11/12/1996US5574534 Apparatus for determining noise factor of optical amplifier
11/12/1996CA2071934C Passive optical ring network
11/12/1996CA2059493C Feeding system and feeding method for a submarine cable communication system
11/10/1996CA2173657A1 Single fiber transceiver and network
11/07/1996WO1996028936A3 Linear multi-output optical transmitter system
11/07/1996DE19602674C1 Optical amplifier circuit for WDM multiplexer-demultiplexer
11/06/1996EP0741499A2 Non-blocking optical cross-connect structure for telecommunications network
11/06/1996EP0741498A2 Optical switching system
11/06/1996EP0740894A1 Infrared communication systems
11/06/1996EP0740892A1 Interconnected passive optical networks
11/06/1996EP0650617B1 Modem for communicating with enclosed electronic equipment
11/06/1996EP0582587B1 Vertical metallically loaded polarization splitter and polarization-diversified optical receiver
11/05/1996US5572612 Bidirectional optical transmission system
11/05/1996US5572356 Optical amplifier
11/05/1996US5572352 Apparatus for repowering and monitoring serial links
11/05/1996US5572351 Optical communications systems
11/05/1996US5572349 Communications system
11/05/1996US5572347 Switched video architecture for an optical fiber-to-the-curb telecommunications system
11/05/1996CA2064424C Gain switchable optical fiber amplifier
11/02/1996CA2148337A1 Process for non-locally producing information, forces or energy
10/1996
10/31/1996WO1996034465A1 Method and device for transmitting analogue signals by means of a transmission system using optical transmission lines
10/31/1996WO1996034464A1 Automatic gain control circuit for communication and telemetry systems
10/31/1996WO1996034459A2 An optical receiver, a tuner, and an optical network
10/31/1996DE19616594A1 Optical path testing appts. for sections of optical transmission routes
10/31/1996DE19616411A1 Device for transmitting signals
10/31/1996DE19515197A1 System zur örtlich flexiblen Telekommunikation System for locally flexible telecommunications
10/31/1996CA2219585A1 Method and device for transmitting analogue signals by means of a transmission system using optical transmission lines
10/30/1996EP0740433A2 Optical transmitter
10/30/1996EP0740432A2 Method and apparatus for making wavelength adjustments in a wavelength division multiplex system
10/30/1996EP0740431A1 Method for TDMA management, central station, terminal station and network system to perform this method
10/30/1996EP0740173A2 Circuit structure for dispersion compensation in optical communication systems by means of an optical filter
10/30/1996EP0739559A1 Method for key distribution using quantum cryptography
10/30/1996EP0739532A1 Method and apparatus for controlling lamp intensity
10/30/1996EP0739523A1 Ic communication card