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)
07/1996
07/11/1996DE19500099A1 Fully-differential CMOS wide-band transconductance-transimpedance amplifier
07/10/1996EP0721292A1 Circuit for testing wire pairs
07/10/1996EP0721275A2 OAM controll system in an optical network
07/10/1996EP0721261A1 Self-amplified optical networks
07/10/1996EP0721122A1 Apparatus and methods for interconnecting arrays of optical transmission paths
07/10/1996CN1126399A Photosensor
07/09/1996US5535139 Portable fiber optic splitter tool for multimode optical fiber cable link
07/09/1996US5535050 Optical amplifier and optical communication system with optical amplifier using pumping light beam
07/09/1996US5535044 Optical frequency mixing apparatus
07/09/1996US5535039 Divergence feedback in a linear fiber optic analog transmission system and method
07/09/1996US5535038 Apparatus and method for determining extinction ratio of digital laser transmitters
07/09/1996US5535037 Optical repeater
07/09/1996US5535035 Optical fiber ring communications system and communications method
07/09/1996US5535034 Optical transceiver unit
07/09/1996US5535033 Contactless data transmission device
07/09/1996US5535031 Fiber optic interface and system
07/09/1996CA2044187C Dispersion equalized optical fiber link
07/04/1996WO1996020545A1 Node in optical tdm network
07/04/1996WO1996020519A1 A coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length
07/04/1996WO1996011539A3 Infrared laser diode wireless local area network
07/03/1996EP0720409A1 Photonic switching matrix
07/03/1996EP0720398A2 Wireless selective call receiver
07/03/1996EP0720323A2 Network system with no arbitration control and node used in this network
07/03/1996EP0720322A2 Optical access communications network
07/03/1996EP0720314A1 One-dimensional optical data arrays implemented within optical networks
07/03/1996EP0720313A1 High power lightwave transmitter using highly saturated amplifier for residual AM suppression
07/03/1996EP0720312A1 Soliton data transmission using non-soliton transmitter
07/03/1996EP0720311A2 Optical transimpedance receiver with compensation network
07/03/1996EP0720239A2 An optically coupled device
07/03/1996EP0720031A2 Polarization dispersion compensation for optical devices
07/03/1996EP0719492A1 Optical communications network
07/03/1996EP0719488A1 Power supply controller for an optical fibre telecommunications system
07/02/1996US5533153 Optical relay amplifier with a bypass waveguide
07/02/1996US5533006 Control system for a ring type network system
07/02/1996US5532868 Apparatus and method for compensating chromatic dispersion produced in optical phase conjugation or other types of optical signal conversion
07/02/1996US5532865 Fiber optic communication terminal, fiber optic communication system, and its wavelength setting method
07/02/1996US5532864 Optical monitoring channel for wavelength division multiplexed optical communication system
07/02/1996US5532863 Optical signal-regenerating unit and transmission system comprising such a unit
07/02/1996US5532862 Line switching system
07/02/1996US5532861 Optical fiber transmission system with compensation for line distortions
07/02/1996US5532858 Optical radio transmission system and a method for adjusting optical axes thereof
07/02/1996US5532857 Wide dynamic range optical link using DSSC linearizer
07/02/1996US5532856 Planar optical mesh-connected tree interconnect network
07/02/1996US5532478 Underwater branching device
07/02/1996US5532471 Optical transimpedance amplifier with high dynamic range
07/01/1996CA2166355A1 Optical communications network
07/01/1996CA2163818A1 One-dimensional optical data arrays implemented within optical networks
06/1996
06/30/1996CA2166180A1 Optical switching matrix
06/27/1996WO1996019884A1 Optical add drop multiplex (oadm)
06/27/1996WO1996019743A1 Integrable fiberoptic coupler and resulting devices and systems
06/27/1996CA2207553A1 Optical add drop multiplex (oadm)
06/26/1996EP0718993A1 Emission or reception mode selection circuit for a laser diode, operating alternatively as an emitting or receiving diode
06/26/1996EP0718992A1 Inline regenerator device of a soliton signal via synchronous solitory modulation using a non-linear optical mirror
06/26/1996EP0718991A1 Transimpedance amplifier with high dynamic range for use in optical receivers
06/26/1996EP0718990A2 Method and apparatus for generating data encoded pulses in return-to-zero format
06/26/1996EP0718989A2 A low-bias heterodyne fiber-optic communication link
06/26/1996EP0718988A1 Optical Data communication system and method
06/26/1996EP0717915A1 Optical decoding for manchester encoded signals
06/26/1996EP0717897A1 System and method for quantum cryptography
06/26/1996EP0717896A1 System and method for key distribution using quantum cryptography
06/26/1996EP0717895A1 Key distribution in a multiple access network using quantum cryptography
06/26/1996EP0446208B1 Language training
06/25/1996US5530712 Method of and device for controlling the peak power of a laser transmitter in discontinuous optical transmission systems
06/25/1996US5530710 High-power pumping of three-level optical fiber laser amplifier
06/25/1996US5530666 Optical memory
06/25/1996US5530585 Optical soliton transmission system
06/25/1996US5530582 Fiber source for seeding an ultrashort optical pulse amplifier
06/25/1996US5530578 Optical communication unit
06/25/1996US5530577 Two-way optical communication apparatus
06/25/1996US5530576 Optical rotary control device using a microprocessor
06/25/1996US5530575 Systems and methods for employing a recursive mesh network with extraplanar links
06/22/1996CA2161821A1 Method and apparatus for generating data encoded pulses in return-to-zero format
06/20/1996WO1996019062A1 Device for recovering a digital signal
06/20/1996WO1996019051A1 Method and device for transmitting at least one digital signal via at least one opto-coupler
06/20/1996WO1996018876A1 Clip-on device for optical power meter
06/20/1996DE4444308A1 Anordnung zur Rückgewinnung eines digitalen Signals An arrangement for recovering a digital signal
06/20/1996DE4444307A1 Verfahren und Anordnung zur Übertragung mindestens eines digitalen Signals Method and apparatus for transmitting at least one digital signal
06/20/1996CA2205594A1 Clip-on device for optical power meter
06/19/1996EP0717524A2 Polarization modulation in wavelength division multiplexed transmission systems
06/19/1996EP0717523A2 Dynamically controlled polarization modulation in wavelength division multiplexed transmission systems
06/19/1996EP0717522A2 Communication network with plural optical channels, node and concentrator for use therein
06/19/1996EP0717521A2 Optical network with subcarrier multiplexing
06/19/1996EP0717516A1 Bidirectional optical transmission system
06/19/1996EP0717515A1 Wavelength-division multiplexing telecommunication system with dispersion-shifted optical fibres
06/19/1996EP0717514A2 Optical transmission device for an optical telecommunication system in combination with a radio system
06/19/1996EP0717513A1 Method and system for indicating an optical transmit amplifier fault
06/19/1996EP0717482A1 Semiconductor interferometric optical wavelength conversion device
06/19/1996EP0717481A1 Semiconductor laser, modulation method therefor and optical communication system using the same
06/19/1996CN1125024A Optical communications dispersion compensation system
06/18/1996US5528596 Telecommunications systems
06/18/1996US5528584 High performance path allocation system and method with fairness insurance mechanism for a fiber optic switch
06/18/1996US5528409 Fiber-optic interface system
06/18/1996US5528407 Transceiver module for optical communication
06/18/1996US5528405 Power series correction in a linear fiber optic analog transmission system and method
06/18/1996US5528404 Fault location in optical systems
06/18/1996US5528391 Infrared beam steering system using diffused infrared light and liquid crystal apertures
06/18/1996CA2002791C Digital/frequency input for industrial control applications
06/17/1996CA2165146A1 Wavelength-division multiplexing telecommunication system with dispersion-shifted optical fibres
06/15/1996CA2164352A1 Polarization modulation in wavelength division multiplexed transmission systems
06/13/1996WO1996018278A1 Large capacity atm switch