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)
03/2006
03/15/2006EP1495568B1 Transmission system
03/15/2006EP1149479B1 Optical system and method having low loss and non-linear effects
03/15/2006CN2765401Y Transmission system based on free space optical communication
03/15/2006CN2765220Y Optical fiber amplifier box
03/15/2006CN1748379A Device and method for high rate optical transmission and use of said device and method
03/15/2006CN1748378A Optical transmission system
03/15/2006CN1747606A Service data transmission and apparatus thereof
03/15/2006CN1747365A Chromatic dispersion compensating apparatus
03/15/2006CN1747364A Generation, conversion and converter for non-return-to-zero code with partial carrier inhibition
03/15/2006CN1747363A Optical fiber network system at user dwelling place based on open inserting
03/15/2006CN1747362A Transmission network with multiple operator access in same time
03/15/2006CN1747361A Device and a method for processing a digital signal of an optical transmission system
03/15/2006CN1747348A Automatic protected switch system and method thereof
03/15/2006CN1747328A Analog/digital conversion with adjustable thresholds
03/15/2006CN1747012A Semiconductor laser driving method and optical disc apparatus
03/15/2006CN1746712A Stretched latch structure of connected optical module
03/15/2006CN1746706A Fibre-optical with wide-band light amplification and dispersion compensation functions and production thereof
03/15/2006CN1245808C Chromatic dispersion compensating apparatus
03/14/2006US7013091 Synchronization of pulse and data sources
03/14/2006US7013090 Transmitting circuit apparatus and method
03/14/2006US7013089 Optical receiver having compensation for Kerr effect phase noise
03/14/2006US7013088 Method and apparatus for parallel optical interconnection of fiber optic transmitters, receivers and transceivers
03/14/2006US7013087 Communication system using optical fibers
03/14/2006US7013085 Method and apparatus for detection and compensation of PMD parameters in signals transmitted over optical fiber links and system of communication therewith
03/14/2006US7013063 System for higher-order dispersion compensation including phase modulation
03/14/2006US7012939 Wavelength stabilization module having light-receiving element array and method of manufacturing the same
03/14/2006US7012938 Laser device, controller and method for controlling the laser device
03/14/2006US7012897 Link quality agent
03/14/2006US7012741 Wideband amplifier with erbium-doped fiber
03/14/2006US7012697 Heterodyne based optical spectrum analysis with controlled optical attenuation
03/14/2006US7012440 Wafer test apparatus including optical elements and method of using the test apparatus
03/14/2006US7011453 Method for determining fiber optic fault location
03/14/2006CA2343211C Method and system for detecting loss of signal in wavelength division multiplexed systems
03/09/2006WO2006026766A2 Frequency-multiplexed detection of multiple wavelength light for flow cytometry
03/09/2006WO2006026314A1 Broadband optical fiber
03/09/2006WO2006025624A1 Optical receiver adaptive to input signal and method for receiving optical signal adaptively
03/09/2006WO2006025410A1 Quantum key distribution protocol
03/09/2006WO2006024906A2 Interactive vehicular communication system, particular between cars and its method of use
03/09/2006US20060051104 Receiving error rate control device
03/09/2006US20060051103 Multi-channel fabry-perot laser transmitters and methods of generating multiple modulated optical signals
03/09/2006US20060051102 Optical interconnecting system for transmitting data
03/09/2006US20060051101 Optical interconnect structure in a computer system and method of transporting data between processing elements and memory through the optical interconnect structure
03/09/2006US20060051099 Optical transceiver with off-transceiver logging mechanism
03/09/2006US20060051098 Off-module optical transceiver firmware paging
03/09/2006US20060051097 Protocol specific transceiver firmware
03/09/2006US20060051096 Frequency-multiplexed detection of multiple wavelength light for flow cytometry
03/09/2006US20060051094 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method
03/09/2006US20060051091 Method and system for a data centric architecture in an optical network
03/09/2006US20060051090 Design method for WDM optical networks including alternate routes for fault recovery
03/09/2006US20060051089 Communication system linking between user terminals, and user terminal connecting unit and communication method used in same communication system
03/09/2006US20060051088 Apparatus for remotely determining fault of subscriber terminals and method thereof
03/09/2006US20060051087 Method for determining the signal-to-noise ratio of an optical signal
03/09/2006US20060051017 Optical fiber transmission system with increased effective modal bandwidth transmission
03/09/2006US20060050265 Method for the reflectometric testing of an optical transmission line, optical device and optical transmission and reception device
03/09/2006US20060049984 Beam steering apparatus
03/09/2006US20060049338 Direct attach optical receiver module and method of testing
03/09/2006DE202006000191U1 Network monitoring and management mechanism, has network stretching termination part with interface and equipped in such a manner that it selectably assigns one-to-one network address to fiber stretching end
03/09/2006DE10040226B4 Optischer Verstärker und optische Verstärkeranordnung mit reduzierter Kreuzphasenmodulation Optical amplifiers and optical amplifier arrangement with reduced cross-phase modulation
03/08/2006EP1633076A1 Multiplexing communication system and crosstalk elimination method
03/08/2006EP1633062A1 Modulation with low cross-talk in optical transmission
03/08/2006EP1633061A1 Method and system for increasing the spectral efficiency of binary coded digital signals
03/08/2006EP1633060A1 Light communication system and illumination apparatus therefor
03/08/2006EP1632798A2 Apparatus for separating and/or combining optical signals, and methods of making and operating it
03/08/2006EP1632766A1 Procedure for testing an optical transmission line by reflectometry, optical device and optical transmission and receiving device
03/08/2006EP1632041A1 Optical communication system with suppressed sbs
03/08/2006EP1632040A1 Optical communication system with suppressed sbs
03/08/2006EP1326126B1 Variable Optical Attenuator with a Compound Faraday Rotator
03/08/2006EP1250772B1 Network for distributing signals to a plurality of users
03/08/2006EP1142165B1 Wireless fiber-coupled telecommunication system with atmospheric transmission of laser signals
03/08/2006EP1029401B1 Method and apparatus for updating subcarrier modulation in a communication network
03/08/2006CN2764070Y Radio short wave non-metal long distance transmission system from short wave receiving antenna to receiver
03/08/2006CN2764069Y Optical fiber communication turntable
03/08/2006CN2763820Y Wave length converter for all optical network 650 nm information transmission system
03/08/2006CN1745560A Distributed digital antenna system
03/08/2006CN1745531A Transmitter and method for transmitting messages on an optical fiber
03/08/2006CN1745530A Wavelength multiplex transmission system
03/08/2006CN1745529A Optical communication network system
03/08/2006CN1744483A Large bandwidth optical parametric amplifier
03/08/2006CN1744474A Chromatic dispersion compensating apparatus
03/08/2006CN1744473A Carrier optical receiver front feed automatic gain control method and optical receiver using same
03/08/2006CN1744472A 光接收装置 Light receiving means
03/08/2006CN1744471A Modulation with low cross-talk in optical transmission
03/08/2006CN1744470A Method and device for bearing asynchronous transmission mode business by optical network
03/08/2006CN1744469A Light communication system and illumination apparatus therefor
03/08/2006CN1744468A Wavelength-division multiplexing optical transmitter
03/08/2006CN1744467A 光信号选择器 Optical signal selector
03/08/2006CN1744448A Dual-fiber optical multiplexing section sharing protective ring protecting method and its node device
03/08/2006CN1744137A Electronic wallet
03/08/2006CN1743937A Method of operating an optical amplifier and optical amplifier
03/08/2006CN1743936A Light spectrum detecting device and method, and Raman amplifier feedback control device and method
03/08/2006CN1743883A Mechanical light-barrier type variable light attenuator
03/08/2006CN1743882A Normally dark y-branch digital optical switches and variable optical attentuators
03/08/2006CN1743877A Broadband high-speed optical fiber communication unit
03/08/2006CN1743861A Optical fiber combined overhead earth wire
03/08/2006CN1743825A Method for the reflectometric testing of an optical transmission line, optical device and optical transmission and reception device
03/08/2006CN1244994C Method of dispersion compensation of polarization module in high-speed optical-fiber communication
03/08/2006CN1244960C Optical communication circuit chip, optical-electrical sheared transmission device and optical sending device
03/07/2006US7010728 Data file search by example
03/07/2006US7010235 Method and system for all-optical signal regeneration
03/07/2006US7010234 All-optical regenerator for retiming, reshaping and retransmitting an optical signal