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)
06/2001
06/07/2001WO2001008422A8 Method and apparatus for improving transmission performance over wdm optical communication links using fec coding
06/07/2001US20010002864 Device for transmitting and receiving optical signals
06/07/2001US20010002863 Method of communicating management message and system for communicating management message
06/07/2001US20010002773 Feeder cable
06/06/2001EP1104957A1 Dispersion compensating device and dispersion compensating system
06/06/2001EP1104603A1 Path monitoring in optical communication systems
06/06/2001EP1104602A1 Optical subscriber access network
06/06/2001EP1104601A1 Methods and apparatus for selective attenuation in an optical communication using electrochromic material
06/06/2001CN1298237A Public affairs board for wavelength division multiplexing light transmission system
06/06/2001CN1298233A On-line signal offset monitoring method
06/06/2001CN1298232A Economical infrared transmission method
06/06/2001CA2327607A1 Method of communicating management message and system for communicating management message
06/05/2001US6243195 Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit
06/05/2001US6243183 Method and equipment for optical communication
06/05/2001US6243182 Atmospheric turbulence resistant open-air optical communication system
06/05/2001US6243181 Reduction of collision induced timing jitter by periodic dispersion management in soliton WDM transmission
06/05/2001US6243178 Optical crossbar network using wavelength division multiplexing an optical crossbar exchange
06/05/2001US6243177 Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
06/05/2001US6243176 Optical wavelength multiplex transmission method and optical dispersion compensation method
06/05/2001US6242732 Optical receiver with a control loop providing wide dynamic range
06/05/2001US6241920 Electrically optimized hybrid “last mile” telecommunications cable system
06/05/2001US6241364 Light fixture embedded infrared beacon
06/05/2001CA2214616C Method and apparatus for element management
06/05/2001CA2156756C Optical data communication system and method
06/05/2001CA2045301C Mobile telephony system
05/2001
05/31/2001WO2001039527A1 Method and apparatus for providing remote, wireless access to a computer workstation
05/31/2001WO2001039515A2 I2c opto-isolator circuit
05/31/2001WO2001039414A1 Method of intrinsic continuous management data transmission in fiber optic communications
05/31/2001WO2001039405A1 An arrangement for supervising and/or controlling the bit rate of data pulses
05/31/2001WO2001039404A1 Method and apparatus for data communication
05/31/2001WO2001039150A2 Method and system for programming a universal remote controller
05/31/2001US20010002150 Optical node system for a ring architecture and method thereof
05/31/2001DE10049394A1 Transmitting intensity modulated light waves or pulses via optical fibre
05/30/2001EP1104113A2 Clock and data recovery circuit for optical receiver
05/30/2001EP1103824A2 Virtual control system using non-imaging scanners
05/30/2001EP1103107A1 Bidirectional dispersion compensation system
05/30/2001EP1103106A1 Gigabit data rate extended range fiber optic communication system and transponder therefor
05/30/2001CN2432643Y Prompting device for listening attentively
05/30/2001CN1297631A Device and method for wireless data transmission
05/30/2001CN1297630A Wdm光通信系统 Wdm optical communication system
05/30/2001CN1297291A Radio communication system
05/30/2001CA2326976A1 High performance optical link
05/29/2001US6240283 Apparatus and method for feedback mitigation in a low speed communications receiver
05/29/2001US6239903 Nonlinear fiber amplifiers for a 1430-1530nm low-loss window in optical fibers
05/29/2001US6239902 Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers
05/29/2001US6239893 Very high data rate soliton regenerator
05/29/2001US6239892 Method and apparatus for bit synchronization in optical communication and networking systems
05/29/2001US6239890 Repairing undersea optical fiber transmission systems using soliton signals with wavelength division multiplexing
05/29/2001US6239889 Optical signal power detection with signature bit pattern in WDM systems
05/29/2001US6239888 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links
05/29/2001US6239887 Method to determine a switching moment and a line terminator, a control network unit and a network unit realizing such a method and a tree-like optical network including such a line terminator, such a control network unit or such a network unit
05/29/2001US6239379 Electrically optimized hybrid “last mile” telecommunications cable system
05/29/2001US6238100 Optical module and a method for fabricating a same
05/29/2001CA2225714C Discriminating infrared signal detector and systems utilizing the same
05/29/2001CA2215115C System and method for mitigating cross-saturation in optically amplified networks
05/25/2001WO2001037460A1 Optical communication method and optical component used in the method, and optical communication device comprising the component
05/25/2001WO2001037459A1 Process and apparatus for measuring polarisation dispersion in optical fibres
05/25/2001WO2001037458A1 Dynamic power-equalized erbium doped fiber amplifiers using transmission edge filters based on apodized linearly-chirped fiber bragg grating
05/25/2001WO2001037457A1 Virtual laser operator
05/25/2001WO2001037384A2 Gain saturation tuning in optical amplifiers
05/25/2001WO2001037013A1 Fabrication of multiplexing and demultiplexing single-mode fiber optic couplers
05/25/2001WO2001037011A1 Wraparound optical switch matrix
05/25/2001WO2001036233A1 Infrared vehicle control system
05/25/2001CA2392156A1 Gain saturation tuning in optical amplifiers
05/25/2001CA2392092A1 Wraparound optical switch matrix
05/25/2001CA2391090A1 Process and apparatus for measuring polarisation dispersion in optical fibres
05/23/2001EP1102425A2 Optical transmission/reception apparatus
05/23/2001EP1102424A2 An optical signal processor employing an optical threshold device for reducing wideband optical noise and a method therefor
05/23/2001EP1102423A2 Method for the safe automatic restart of optical transmitters in fiber optic telecommunication systems
05/23/2001EP1102114A1 Raman amplification system and optical signal transmission method using the same
05/23/2001EP1102113A2 Optical devices employing an optical thresholding device
05/23/2001EP1101514A2 Football robot control system using infrared modules
05/23/2001EP1101309A1 Method and apparatus for reduced interference in optical cdma
05/23/2001EP1101301A1 Optical communication with pre-compensation for odd order distortion in modulation and transmission
05/23/2001EP1101261A2 Thermal tuning of optical amplifiers and use of same in wavelength division multiplexed systems
05/23/2001EP1101141A2 Laser communication system and methods
05/23/2001EP0842575B1 Improvements in or relating to optical add/drop wavelength division multiplex systems
05/23/2001DE19948508A1 Optical delay network e.g. for microwave antenna, has delay lines with different defined lengths of optical fibre
05/23/2001DE19947889A1 Optoelectronic, bidirectional transmission and reception module based on lead-frame and SMD technology e.g. for optical signals transmission
05/23/2001CN1296681A Optical fiber amplifier having gain flattening filter
05/23/2001CN1296680A Hybrid picocell communication system
05/23/2001CN1296615A Low-birefringence optical fiber for use in optical data storage system
05/22/2001US6236777 Reliability of an optical communication system and of an optical amplifying system, and a method suitable to this aim
05/22/2001US6236776 Submarine optical gain equalizer, submarine optical transmission line and its installation method
05/22/2001US6236771 Optical transmission apparatus
05/22/2001US6236500 Optical amplifier
05/22/2001US6236499 Highly scalable modular optical amplifier based subsystem
05/22/2001US6236498 Upgradable, gain flattened fiber amplifiers for WDM applications
05/22/2001US6236495 Optical dispersion compensation
05/22/2001US6236487 Optical communication control system
05/22/2001US6236486 Data communication system for printer and handheld computer
05/22/2001US6236485 Optical TDMA network
05/22/2001US6236484 Infrared remote control circuit
05/22/2001US6236482 WDM optical communication system
05/22/2001US6236481 Method and apparatus for providing loss equalization and adjustment in a fiber optic network
05/22/2001US6236480 System and method for reducing Raman cross-talk in a DWDM transport system
05/22/2001US6236478 Method for monitoring optical communication equipment
05/22/2001US6236452 Optical amplifier evaluation method and optical amplifier evaluation device
05/17/2001WO2001035582A1 Optical communication apparatus and optical communication system
05/17/2001WO2001035581A1 Optical communication apparatus and system