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)
06/1998
06/24/1998CN1185875A In-line optical bi-directional link
06/24/1998CN1185685A Wave-shape shaping circuit and infrared data communication device using same
06/23/1998US5771114 For transmitting optical power from a first to second location
06/23/1998US5771111 Optical network
06/23/1998US5770850 For use in tracking/receiving data from am optical communications beam
06/20/1998CA2222375A1 Method and arrangement for operating a laser system for optical free space communications
06/19/1998CA2222388A1 Interactive fixed and mobile satellite network
06/18/1998WO1998026532A2 Bitwise full duplex communication
06/18/1998WO1998026524A1 An optical receiver and a method of protecting such a receiver
06/18/1998WO1998025736A1 Electric shaving system
06/18/1998WO1998016017A3 Interlocked high power fiber system using OTDR
06/18/1998DE19755361A1 Ultra short optical pulse supply system for different optical apparatus
06/18/1998DE19754148A1 Optisches Wellenlängenfilter und optischer Demultiplexer The optical wavelength filter and optical demultiplexer
06/18/1998DE19752944A1 Optisches Wellenlängenfilter und Demultiplexer The optical wavelength filter and demultiplexer
06/18/1998CA2222973A1 Adaptive predistortion control for optical external modulation
06/17/1998EP0848514A2 Wavelength division multiplex optical transmitter capable of supressing degradation of optical SN
06/17/1998EP0848511A2 Apparatus for coupling of optical signals to and from two transmission channels
06/17/1998EP0848510A2 Leadless signal transmission in automatic control devices
06/17/1998EP0847635A1 Optical satellite feederlinks
06/17/1998CN1185254A Dark pulse generation and transmission
06/17/1998CN1185085A Radio frequency control circuit of base station of mobile communications system
06/17/1998CN1185068A Optical wavelength multiplexing and demulatiplexing device and optical transmission system using same
06/17/1998CN1185067A Crosstalk suppression in multipatch optical amplifier
06/17/1998CN1185066A Optical data transmitter device
06/16/1998US5768449 Optical transmission system and optical transmission method
06/16/1998US5768378 Key distribution in a multiple access network using quantum cryptography
06/16/1998US5768011 Optical amplifying repeater
06/16/1998US5768002 Light modulation system including a superconductive plate assembly for use in a data transmission scheme and method
06/16/1998US5768000 Wavelength multiplexing optical transmission device
06/16/1998US5767998 Wavelength-division multiplexed communication system utilizing optical solitons
06/16/1998US5767997 Method and arrangement for a combined modulator/photodetector
06/16/1998US5767996 Optical transmission system
06/16/1998US5767995 System and methods for assessing the suitability of analog lasers for broadband access applications
06/16/1998US5767724 Electronic clamping circuit
06/16/1998CA2127043C Apparatus and method employing polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss
06/16/1998CA2126879C Photonic switching system
06/16/1998CA2126878C Photonic switching system
06/16/1998CA2078316C Optical equalizer
06/12/1998CA2219565A1 Optical remote control for trolling motors and method of control
06/11/1998WO1998025361A1 An optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit
06/11/1998WO1998025328A1 Optical systems with one or more stabilised laser signal sources
06/10/1998EP0847159A2 Method for apparatus for bandwidth reuse in a communication network
06/10/1998EP0847158A2 An optical wavelength multiplexing and demultiplexing device and an optical transmission system using the same
06/10/1998EP0847152A2 Optical transmitter system
06/10/1998EP0847151A2 All optical RF signal channelizer
06/10/1998EP0847150A1 Alignment device to align an optical emitted beam with an optical received beam
06/10/1998EP0847149A1 Device and method for aligning an optical emitter and receiver beam in satellite connections
06/10/1998EP0846977A2 Quasi-soliton ultra-high speed optical fiber transmission method
06/10/1998EP0846380A1 Burst mode optical digital receiver and repeater
06/10/1998EP0846333A1 Synchronous detection for photoconductive detectors
06/10/1998EP0728387A4 Portable wireless communication device
06/10/1998EP0561918B1 Optical communications system
06/10/1998CN1184572A Optical node in an optical bus network
06/09/1998US5764841 Optical fiber transmission line, optical fiber transmission system and production method thereof, and optical fiber combining method
06/09/1998US5764832 Integrated semiconductor optical devices and method of manufacture employing substrate having alignment groove
06/09/1998US5764829 Optical signal shaping device for complex spectral shaping applications
06/09/1998US5764826 PD/LD module and PD module
06/09/1998US5764821 Large capacity local access network
06/09/1998US5764765 Method of communication
06/09/1998US5764405 Lossless optical transmission system architecture with non-failing optical amplifiers
06/09/1998US5764404 Wavelength-division-multiplexing optical amplifier
06/09/1998US5764396 Optical regenerative circuit
06/09/1998US5764395 Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication
06/09/1998US5764394 Interface device
06/09/1998US5764208 Reset scheme for spatial light modulators
06/09/1998US5764180 Remote control keypad unit
06/09/1998CA2143948C Distributive communications network
06/09/1998CA2119046C Technique utilizing stress-induced birefringence for reducing polarization dependent hole-burning in an amplified optical transmission system
06/06/1998CA2220809A1 Alignment device for aligning an optical transmitting beam with an optical receiving beam
06/04/1998WO1998024231A1 Opsistor image processor
06/04/1998WO1998024197A1 An optical transmitting and receiving system
06/04/1998WO1998024196A1 Opsistor transmitter data compression circuit
06/04/1998WO1998023981A1 Holographic optical interconnect system and method
06/04/1998WO1998023933A1 A method and an optical receiver for measuring optical power
06/04/1998WO1998016018A3 Wavelength division multiplexed signal amplifier
06/04/1998DE19753472A1 Photoelectric cell for beam transmission and reception
06/04/1998CA2272700A1 Opsistor transmitter data compression circuit
06/04/1998CA2272686A1 Opsistor image processor
06/03/1998EP0845884A1 Bidirectional transducing arrangement between optical and electrical signals for a communication system
06/03/1998EP0845883A1 Bidirectional converting arrangement between electrical and optical signals for a communications system
06/03/1998EP0845882A2 A passive optical network transceiver circuit
06/03/1998EP0845881A1 Device for transmission of optical data
06/03/1998EP0845880A2 Optical transmission device and system
06/03/1998EP0845879A2 Optical switching unit, particularly for switching to alternative components in optical transmission systems
06/03/1998EP0845878A2 Transmission of CDMA signals over an analog optical link
06/03/1998EP0845872A2 Transmission of wideband signals in a net with stationary signal interference
06/03/1998EP0845842A1 Optical system with one or more stabilised laser signal sources
06/03/1998EP0845691A1 Optical cable with tubular metal core
06/03/1998EP0845175A1 Compensation of dispersion
06/03/1998EP0641474A4 Pointing device having improved automatic gain control and information reporting.
06/03/1998CN1183683A Optical transmitter, terminal-station apparatus having optical transmitter, and optical communication system
06/02/1998US5761228 Optical clock regenerator
06/02/1998US5760948 Method of regenerating a soliton signal using an all optical doubler
06/02/1998US5760942 Noise tolerant receiver for wideband optical transmission system
06/02/1998US5760940 Methods for monitoring optical path characteristics in an optical communication system
06/02/1998US5760939 Optical transmission link capable of high temperature operation without cooling with an optical receiver module having temperature independent sensitivity performance and optical transmitter module with laser diode source
06/02/1998US5760937 Optical demultiplexer
06/02/1998US5760936 Optical line switch device enabling connection of non-doubled optical transmission apparatus with doubled bidirectional optical link
06/02/1998US5760935 Optical communications network
06/02/1998US5758951 Vertical cavity surface emitting laser arrays for illumination