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)
07/2003
07/16/2003EP1327318A2 Improvements in or relating to optical wireless communications
07/16/2003EP0809902B1 Device for recovering a clock from a modulated optical input signal
07/16/2003CN2561181Y Wireless dialing device for mobile phone
07/16/2003CN1430828A Wdm传输系统 Wdm transmission system
07/16/2003CN1430827A Optical transponder
07/16/2003CN1430826A DWDM optical source wavelength control
07/16/2003CN1430825A Optocoupler for non-intrinsically safe circuit
07/16/2003CN1430724A Method and apparatus for measuring phase differences between intensity-modulated optical signals
07/16/2003CN1430370A Erbium adulterated optical fiber amplifier gain control apparatus
07/16/2003CN1430369A Coarse wave division complexing apparatus and preparation method of its used conpler
07/16/2003CN1430348A Time-division multiplexing and wave-division multiplexing optical exchange node
07/16/2003CN1430347A Optical relay amplifier and wave division multiplexer
07/16/2003CN1430346A Method of testing and locating fault of network management system software in phototiming digital transmission system
07/16/2003CN1430230A Electric optimization 'final one mile' compound communication cable system
07/16/2003CN1430229A Electric optimization 'final one mile' compound communication cable system
07/16/2003CN1430096A Optical amplifier and its method
07/16/2003CN1430094A Tunable optical fiber attenuator
07/16/2003CA2416486A1 Controller for a host device and a monitoring device connected on the basis of dvi standard
07/15/2003US6594428 Dispersion compensating optical transmission line and system
07/15/2003US6594416 Optical fiber interface for integrated circuit test system
07/15/2003US6594412 Optical add/drop device
07/15/2003US6594408 Method for compensating polarization mode dispersion in a waveguide and a polarization mode dispersion compensator
07/15/2003US6594407 Optical modulator of clock modulation type
07/15/2003US6594322 Method of distributed loop control for a multicarrier telephony transport
07/15/2003US6594072 Bit-rate and format insensitive all-optical clock extraction circuit
07/15/2003US6594070 Optical communication system, optical receiver and wavelength converter
07/15/2003US6594061 Acceleration-insensitive opto-electronic oscillators
07/15/2003US6594056 Receiver for use in a transmission system for spectral-coded data as well as a method
07/15/2003US6594055 Secure fiber optic telecommunications system and method
07/15/2003US6594054 Filtering system for eliminating dispersion and method for doing same
07/15/2003US6594053 Apparatus for controlling cycles of optical pulse stream based on time correlation
07/15/2003US6594052 Transmitting apparatus and method, receiving apparatus and method, distribution medium and transmitting system
07/15/2003US6594051 Data communication system for hand-held computers
07/15/2003US6594049 Optical router
07/15/2003US6594048 Technique to obtain channel plans for WDM systems with reduced four-wave mixing effect
07/15/2003US6594046 Level-flattening circuit for WDM optical signals
07/15/2003US6594045 Flexible optical network architecture and optical add/drop multiplexer/demultiplexer therefor
07/15/2003US6594044 Apparatus and method for automatic port identity discovery in heterogenous optical communications systems
07/15/2003US6594043 System and method for providing an eye safe laser communication system
07/15/2003US6594005 Chromatic dispersion distribution measurement apparatus, method and storage medium for the same
07/15/2003US6594003 Measuring system of transmission characteristics
07/15/2003US6593602 Edge emission type semiconductor device for emitting super luminescent light, its manufacture and spatial optical communication device
07/15/2003US6592976 Magnetic recording medium and magnetic recording apparatus using the same
07/15/2003US6592274 Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using finite-state machine-based encoder
07/15/2003US6592273 Out-of-band vehicle for optical channel overhead information
07/15/2003US6592272 Burst mode transmission over multiple optical wavelengths
07/15/2003US6592245 Method for optically marking an elongated indication path and devices using same
07/15/2003CA2264126C Line powering shelf for data transmission line
07/11/2003CA2501683A1 Multiplex communication system and method
07/11/2003CA2501678A1 Multiplex communication system and method
07/11/2003CA2501670A1 Multiplex communication system and method
07/10/2003WO2003056820A1 Hybrid fiber optic and coaxial cable network node that contains a cable modem termination system
07/10/2003WO2003056738A1 Noise reduction in optical communications networks
07/10/2003WO2003056737A1 A on-line dispersion compensation apparatus of high-speed wavelength division optical transmission system
07/10/2003WO2003056726A1 Optical transmission system
07/10/2003WO2003007510A3 System and method for mass broadband communications
07/10/2003WO2003003636A3 Control of parameters in a global optical controller
07/10/2003WO2002084905A3 Optical sources and transmitters for optical telecommunications
07/10/2003WO2002060123A3 Method and system for processing downstream packets of an optical network
07/10/2003US20030130181 Secreted and transmembrane polypeptides and nucleic acids encoding the same
07/10/2003US20030128990 Optical device with a temperature insensitive optical pathlength
07/10/2003US20030128989 Laser transmitter and process for transmitting controlled light signals
07/10/2003US20030128988 Infrared signal communication system and method including transmission means having automatic gain control
07/10/2003US20030128984 Low loss wdm add drop node
07/10/2003US20030128983 Digital RF return over fiber
07/10/2003US20030128982 Method for transmitting at least one first and one second data signal in polarization division multiplex in an optical transmission system
07/10/2003US20030128980 Channelizer switch
07/10/2003US20030128979 Optical switching apparatus and optical communication network system
07/10/2003US20030128923 Optical pulse pattern generator
07/10/2003US20030128920 Selectable dispersion enhancement
07/10/2003US20030128911 Method of and operating architectural enhancement for combining optical (photonic) and data packet-based electrical switch fabric networks with a common software control plane while providing increased utilization of such combined networks
07/10/2003US20030128906 Variable optical delay line and use of the variable optical delay line
07/10/2003US20030128728 Semiconductor laser module and Raman amplifier
07/10/2003US20030128718 Method for switching and routing large bandwidth continuous data streams from a centralized location
07/10/2003US20030128433 Interleaver
07/10/2003US20030128417 Optical modulator and optical signal and electric wave signal converter using same
07/10/2003US20030128414 Method and device for waveform shaping of signal light
07/10/2003US20030128411 System and method for protecting eye safety during operation of a fiber optic transceiver
07/10/2003US20030128410 Method of simple control and management of reconfigurable fiber optic devices
07/10/2003US20030127608 Photon source and method of its fabrication and operation
07/10/2003US20030127521 Information card system
07/10/2003CA2470967A1 Hybrid fiber optic and coaxial cable network node that contains a cable modem termination system
07/09/2003EP1326474A2 Device and method of optical data switching for optical communications network
07/09/2003EP1326472A1 Optical TDM and WDM switching node
07/09/2003EP1326394A1 Infrared communication adapter
07/09/2003EP1326362A1 Accelerated measurement of bit error ratio
07/09/2003EP1326354A2 Optical fiber transmission line, optical cable, and optical transmission system
07/09/2003EP1326353A1 Optical transmitter for generation of an optical data signal out of at least two input modulation signals and modulation means
07/09/2003EP1326131A1 Variable optical delay line and method of using the variable optical delay line
07/09/2003EP1326108A2 Connecting method of optical function devices, and such an optical apparatus
07/09/2003EP1325581A2 Method and system for transmission in a noisy environment
07/09/2003EP1325575A2 System and method for communicating optical signals between a data service provider and subscribers
07/09/2003EP1325574A1 Pmd -emulation, measurement and compensating device
07/09/2003EP1325573A2 Pump amplitude modulation for distributed raman amplifier
07/09/2003EP1325572A2 Optical communications apparatus
07/09/2003EP1325571A1 A transmitter-receiver device and a communication system
07/09/2003EP1325570A1 A wdm system that uses nonlinear temporal gratings as a new optical solitary wave
07/09/2003EP1325367A1 Method for reducing stimulated brillouin scattering in waveguide systems and devices
07/09/2003CN2560166Y Photoelectric integrated communication module
07/09/2003CN2559993Y Optical receiving & transmitting module
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