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)
09/2003
09/04/2003US20030165207 Jitter-detecting circuit, receiving circuit including the jitter-detecting circuit, and communication system
09/04/2003US20030165173 Multiple modulated wavelengths in a compact laser
09/04/2003US20030165006 Optical transmission systems including optical amplifiers and methods of use therein
09/04/2003US20030165004 Optical communication system employing raman amplification
09/04/2003US20030164546 System and method for signal acquisition in a distance meter
09/04/2003CA2477682A1 Apparatus and method for mitigating the effects of polarization mode dispersion
09/04/2003CA2477586A1 Method for automatic testing of optical fibres in multibranch networks
09/04/2003CA2477562A1 Wireless extension arrangement for a communications system
09/04/2003CA2475303A1 System and method for configuring a home appliance communications network
09/03/2003EP1341333A2 Multiple modulated wavelengths in a compact laser
09/03/2003EP1341324A1 Optical fiber transmission system using raman amplification
09/03/2003EP1341323A2 Optical signal multiplexer/demultiplexer employing pseudorandom mode modulation
09/03/2003EP1341322A2 Polarization scrambler and optical network using the same
09/03/2003EP1341273A2 Wideband erbium doped fiber amplifier capable of minimizing band crosstalk
09/03/2003EP1341011A1 Dispersion-compensating fiber
09/03/2003EP1340326A2 Optical shutter
09/03/2003EP1340325A1 A system and a method for limiting the maximum of light transmitted from a ribbon fiber
09/03/2003EP1340324A2 Optical performance monitoring for d/wdm networks
09/03/2003EP1340162A2 Signal processing arrangement
09/03/2003EP1175744B1 LONG DISTANCE, ALL-OPTICAL TELEMETRY FOR FIBER OPTIC SENSOR USING REMOTE OPTICALLY PUMPED EDFAs
09/03/2003EP0950292B1 An optical receiver and a method of protecting such a receiver
09/03/2003CN2571076Y Two-dimensional optical switch matrix made by piezoelectric driver
09/03/2003CN1440143A Optical transmission devices
09/03/2003CN1440142A Automatic bias calibrating method and devie for optical regulator of externally regulatable optic emitter
09/03/2003CN1440136A Research design-type communication principle test systems
09/03/2003CN1439911A Sine twitter superlattice structure
09/03/2003CN1120479C System and method to compensate data defects within magneto-optical computer memory device
09/02/2003US6614975 Optical fiber and optical fiber device
09/02/2003US6614968 Spare fiber monitoring arrangement
09/02/2003US6614956 Bidirectional WDM optical communication system with bidirectional optical service channels
09/02/2003US6614955 Method and apparatus for an extended wavelength range coherent optical spectrum analyzer
09/02/2003US6614953 Modular all-optical cross-connect
09/02/2003US6614950 Fiber bragg grating-based optical CDMA encoder/decoder
09/02/2003US6614849 Wireless infrared digital audio receiving system
09/02/2003US6614820 Semiconductor laser driving method and optical disc apparatus
09/02/2003US6614819 Method of modulating an optical wavelength with an opto-electronic laser with integrated modulator
09/02/2003US6614753 Terminal apparatus, device for detecting the mismatching of work/protection line bridging function in a synchronous communication network and the method
09/02/2003US6614591 Optical combiner
09/02/2003US6614589 Method and system for controlling amplifier power in an optical communications network
09/02/2003US6614588 Optical amplifier having various control circuitry
09/02/2003US6614587 Control methods for a metro optical amplifier
09/02/2003US6614586 Methods and systems for high performance, wide bandwidth optical communication systems using Raman amplification
09/02/2003US6614583 Variable optical delay
09/02/2003US6614582 Optical regeneration and wavelength conversion using semiconductor optical amplifier based interferometers
09/02/2003US6614568 Wavelength-cyclic communication network and wavelength-cyclic modules
09/02/2003US6614126 Integrated lighting and data communication apparatus
09/02/2003US6614024 Infra-red wireless receiver with novel shielding and IR front end signal enhancement
09/02/2003US6612743 Wavelength division multiplexed optical solitons
09/02/2003CA2358367C Optical coupler and method of accessing a transmission fiber
08/2003
08/28/2003WO2003071720A1 An optical module with multiplexer
08/28/2003WO2003071719A1 Broadband wireless communication system and method
08/28/2003WO2003071349A1 Signal light noise reduction apparatus and signal light noise reduction method
08/28/2003WO2003050984A8 Polarisation mode dispersion compensator
08/28/2003WO2003041307A3 Photonic constant envelope rf modulator
08/28/2003WO2003001737A3 Method and system for processing upstream packets of an optical network
08/28/2003WO2002069527A3 Wavelength locking of optical sources
08/28/2003WO2002033446A3 Method and system for high channel capacity wave division multiplexer and de-multiplexer using reflective and transmission holographic methodologies for optical communications and the like
08/28/2003WO2002031984A3 Method, device, and system, for multiple order amplitude modulation of an optical signal, and demodulation thereof
08/28/2003WO2002025842A3 Universal lighting network method and system
08/28/2003WO2002025352A3 Optical switching element having movable optically transmissive microstructure
08/28/2003WO2002013426A3 Rf bidirectional optical transmission
08/28/2003WO2001008422A3 Method and apparatus for improving transmission performance over wdm optical communication links using fec coding
08/28/2003US20030163771 Method and apparatus for chromatic dispersion equalization
08/28/2003US20030161640 Optical receiving circuit
08/28/2003US20030161638 Polarization scrambler and optical network using the same
08/28/2003US20030161637 Bi-directional optical transmission system, and master and slave stations used therefor
08/28/2003US20030161636 Optical packet header identifier, optical router incorporating the same therein, and optical routing method using the router
08/28/2003US20030161635 WDM optical network with passive pass-through at each node
08/28/2003US20030161632 Optical switch and protocols for use therewith
08/28/2003US20030161631 Optical channel monitor device and method
08/28/2003US20030161630 System and method of setting thresholds for optical performance parameters
08/28/2003US20030161629 Linear optical transmission system with failure protection
08/28/2003US20030161583 Wavelength-multiplexing connector, optical transmission device, and optical communication system
08/28/2003US20030161580 Optical structure for the compensation of chromatic dispersion and dispersion slope in a light signal
08/28/2003US20030161045 Optical component and dispersion compensation method
08/28/2003US20030161033 Wideband erbium doped fiber amplifier capable of minimizing band crosstalk
08/28/2003US20030161032 Optical communication system and component control architectures and methods
08/28/2003US20030160148 Opto-electronic oscillators having optical resonators
08/28/2003US20030159772 Method for improving heat dissipation in optical transmitter
08/27/2003EP1339179A2 Bi-directional optical transmission system, and master and slave stations used therefor
08/27/2003EP1339178A1 Dispersion-compensated raman optical fiber amplifier
08/27/2003EP1338160A2 System and method for processing a signal
08/27/2003EP1338105A2 Device and method for detecting distortions during optical information transmission
08/27/2003EP1338104A1 A transmitter-receiver device and a communication system
08/27/2003EP1338102A2 Optical fiber for to-the-home distribution networks
08/27/2003EP1338086A1 Amplifier circuit, an optical communication system and a method of controlling amplification
08/27/2003EP1097531B1 Method for compensating for polarisation mode dispersion and polarisation mode dispersion compensator
08/27/2003EP1048139A4 Self-healing optical network
08/27/2003EP0947062A4 Apparatus for communication by an electronic device and method for communicating between electronic devices
08/27/2003CN1438775A Optical fiber, optical transmission path using same and optical communication system
08/27/2003CN1438772A Security communication system of laser optical multiple signals and method thereof
08/27/2003CN1438741A Ytterbium-mixed adjustable optical-fiber laser
08/27/2003CN1438715A Optical communication circuit ship, optical-electrical sheared transmission device and optical sending device
08/27/2003CN1438518A Method and apparatus for optical swhich-over
08/27/2003CN1119879C Wavelength manager
08/27/2003CN1119848C Alaser and its assembly, communication network comprising such laser, and end biber for such laser
08/26/2003US6611696 Method and apparatus for aligning the antennas of a millimeter wave communication link using a narrow band oscillator and a power detector
08/26/2003US6611640 Optical dispersion compensator
08/26/2003US6611639 Optical module for multi-channel wavelength multiplexing
08/26/2003US6611638 High performance optical add/drop multiplexer and optical wavelength multiplexing network