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)
09/2011
09/20/2011US8023829 Demodulation of phase modulated fibre-optic sensor system signals
09/20/2011US8023828 Quantum information conversion between matter and light representations
09/20/2011US8023827 Bi-directional parallel optical link
09/20/2011US8023826 Method and apparatus for using distributed antennas
09/20/2011US8023824 Wavelength division multiplexed passive optical network
09/20/2011US8023819 Method and apparatus for network fault detection and protection switching using optical switches with integrated power detectors
09/20/2011US8023774 Method, apparatus and system for minimally intrusive fiber identification
09/20/2011US8023541 Optical transmission circuit
09/20/2011US8023538 Ultra-high power parametric amplifier system at high repetition rates
09/20/2011US8023430 Regenerative relay system and regenerative relay apparatus
09/20/2011CA2491739C Compensating for chromatic dispersion in optical fibers
09/20/2011CA2463502C Digital optical network architecture
09/20/2011CA2385429C Method and system for transmitting information in an optical communication system using distributed amplification
09/15/2011WO2011112415A1 Unrepeatered long haul optical fiber transmission systems
09/15/2011WO2011110771A1 Method and system for free-field optical transmission by means of laser signals
09/15/2011WO2011110422A1 Optical modulator
09/15/2011WO2011110223A1 Data processing of an optical network element
09/15/2011WO2011110126A2 Self-injection optical transmitting and receiving module and wavelength division multiplexing passive optical network system
09/15/2011WO2011110070A1 Optical module and manufacturing method thereof
09/15/2011WO2011110018A1 Optical power adjustment method and optical line terminal for ethernet passive optical network system
09/15/2011WO2011110005A1 Passive optical network and device
09/15/2011WO2011109982A1 Optical line terminal, method for processing optical signal and optical network system
09/15/2011WO2011083165A9 Network element
09/15/2011WO2011082860A3 Method and device for optical transmission of data
09/15/2011WO2011068382A3 Apparatus and method for controlling brightness of light sources used for data transmission
09/15/2011US20110222867 Optical Receiver Using Single Ended Voltage Offset Measurement
09/15/2011US20110222866 Multirate Burst Mode Receiver
09/15/2011US20110222865 Method and apparatus for transmission of two modulated signals via an optical channel
09/15/2011US20110222864 Method and system for compensating for optical dispersion in an optical signal
09/15/2011US20110222863 Unrepeatered long haul optical fiber transmission systems
09/15/2011US20110222862 Make before break optical mesh network element
09/15/2011US20110222861 Interconnect for a data storage system
09/15/2011US20110222860 Method and apparatus for generating a reference signal level and for cancelling amplifier offset in an optical system
09/15/2011US20110222858 Optical communication apparatus and optical communication method
09/15/2011US20110222857 Remote node for wavelength-division-multiplexed passive optical network
09/15/2011US20110222853 Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signal
09/15/2011US20110222850 Self test of a dual polarization transmitter
09/15/2011US20110222848 Method and Apparatus for Fault-Tolerant Quantum Communication Based on Solid-State Photon Emitters
09/15/2011US20110222847 Method, system, and device for implementing service forwarding
09/15/2011US20110222047 Aerial observation system
09/15/2011US20110221601 Detecting Engagement Conditions Of A Fiber Optic Connector
09/15/2011CA2833624A1 Optical transceiver apparatus and wavelength division multiplexing passive optical network system
09/14/2011EP2365703A2 Optical switch and optical-switch control method
09/14/2011EP2365650A2 Optical signal transmission
09/14/2011EP2365649A1 Optical network and method of operating an optical network
09/14/2011EP2365647A1 High-speed pulsed homodyne detector in optical communication wavelength band
09/14/2011EP1949568B8 Repeater surge coil and diode chain design
09/14/2011CN201976113U 一种带四个电口的光纤收发器 A tape four electrical ports of fiber optic transceivers
09/14/2011CN201976112U 1.7GHz带宽的光接收机 1.7GHz bandwidth optical receiver
09/14/2011CN201976111U 千兆本安型以太网光端机 Gigabit Ethernet Optical intrinsically safe
09/14/2011CN201976110U 百兆本安型以太网光端机 Fast Ethernet Optical intrinsically safe
09/14/2011CN201976109U 一种利用光纤延迟模拟阵列入射信号的装置 An apparatus for optical fiber delay incident signals using analog array
09/14/2011CN201976108U 一种光纤连接自动识别管理系统 An optical fiber connection automatic identification management system
09/14/2011CN201976107U 一种sfp+型光通讯测试装置 One kind sfp + optical communications test equipment
09/14/2011CN201976106U 一种基于光通信设备保护的自动倒换开关 Based on optical communication equipment protection switching automatically switches
09/14/2011CN201971139U 一种大功率led光通信潜水服 One kind of power led optical communications wetsuit
09/14/2011CN1863028B Method of transmitting an optical signal and optical transmission system for implementing such a method
09/14/2011CN1753336B Method of improving ring network combination of business restore ability and business protection method
09/14/2011CN1692583B Method and device for realising an optical link with laser pulses
09/14/2011CN102187604A Improvements in or relating to modulation in an optical network
09/14/2011CN102187603A Method and apparatus for deriving parameters of optical paths in optical networks using a two-wavelength otdr and a wavelength-dependent reflective element
09/14/2011CN102187602A Generation of a feedback signal for a polarization mode dispersion compensator in a communication system using alternate-polarization
09/14/2011CN102187601A Passive optical networks with mode coupling receivers
09/14/2011CN102186124A Utility-based interlayer coordination method in WDM (Wavelength Division Multiplexing) optical network
09/14/2011CN102185833A Fiber channel (FC) input/output (I/O) parallel processing method based on field programmable gate array (FPGA)
09/14/2011CN102185814A Method and device for automatically compensating bias voltage of QPSK (quadri phase shift keying) lithium niobate modulator
09/14/2011CN102185659A Quantum communication ATP (array transform processor) precise tracking system with optical axis self-calibrating function and calibrating method thereof
09/14/2011CN102185658A Intelligent light receiving and transmitting module capable of automatically adjusting emitted light power
09/14/2011CN102185657A Full-optical 3R regeneration device based on magnetically controlled optical fiber parameter oscillator
09/14/2011CN102185656A EPON (Ethernet Passive Optical Network)-based wireless access multimedia terminal
09/14/2011CN102185655A Method and device for realizing information transmission by taking visible light as medium
09/14/2011CN102185654A Laser communication system
09/14/2011CN102185653A Coherent wireless laser communication system and method based on frequency stabilized laser, and receiver
09/14/2011CN102185652A Wireless laser communication transmission method and system
09/14/2011CN102185651A Wireless talkback communication system based on LED (Light Emitting Diode) miner cap illuminating lamp
09/14/2011CN102185650A Disjoint path-based ASON (Automatic Switched Optical Network) multiple fault protection method
09/14/2011CN102185649A System and method for monitoring high-precision suddenly received optical power
09/14/2011CN102185648A Test system and method for increasing debugging and detection speed of optical module
09/14/2011CN102185647A Photo current monitoring device
09/14/2011CN102185646A Infrared receiver
09/14/2011CN102183827A Single-fiber bidirectional optical transceiver module light assembly for 10G passive optical network (PON)
09/14/2011CN101562482B Fiber wireless communication system and method for generating downlink multi-service millimeter wave
09/14/2011CN101527602B Optical fiber transceiver module and plastic optical fiber communication system
09/14/2011CN101510804B Method and apparatus for modulating and demodulating signal of optical fiber radio system
09/14/2011CN101501541B Method and system for grating taps for monitoring a dwdm transmitter array
09/14/2011CN101341694B Combined routing inquiry method of ASON
09/14/2011CN101232328B Method for locating case point of branch optical fiber, optical network and network appliance
09/14/2011CN101136705B Full optical subcarrier demodulator and method of millimeter wave optical fiber radio uplink
09/14/2011CN101136701B Wavelength division multiplexing optical access transmission system and method
09/14/2011CN101064567B 光发送器 Optical transmitter
09/14/2011CN101039151B Method, system and client equipment for obtaining optical fiber signal flow information of optical network
09/13/2011US8019353 Method and system for reporting fiber optic delay for use in locating a wireless communication device
09/13/2011US8019233 Method and apparatus for using a hologram to control the optical field distribution of light generated by a light source and launched into an end of an optical waveguide
09/13/2011US8019232 Method and apparatus for optical phase modulation
09/13/2011US8019231 Optical pattern recognition having reduced sensitivity to wavelength instability
09/13/2011US8019230 Method for providing visible light communication in a visible light communication system
09/13/2011US8019229 Apparatus, system, method, and program for visible light communication
09/13/2011US8019228 Optical switching transmission system with timing correction
09/13/2011US8019227 Information transmitting system, information decoding apparatus, informing method and recording medium
09/13/2011US8019226 Optical transceiver module having a latching bail mechanism that uses a cam lock configuration