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)
06/2010
06/08/2010US7733467 Optical passive device product identification apparatus and connectivity determination apparatus
06/08/2010US7733193 Systems and methods for DQPSK modulator control using selectively inserted dither tone
06/08/2010US7731432 Multiple channel optical transceiver modules with compatibility features
06/08/2010CA2443831C An advanced system and method for dynamically discovering, provisioning and accessing host services on wireless data communication devices
06/03/2010WO2010062094A2 Visible ray communication system, transmission apparatus, and signal transmission method
06/03/2010WO2010062092A2 Visible ray communication system and method for transmitting signal
06/03/2010WO2010062029A1 Apparatus for transmitting and receiving visible light communication data
06/03/2010WO2010061784A1 Optical electric field transmitter and optical transmission system
06/03/2010WO2010061247A1 Apparatus and method for compensating polarization mode dispersion
06/03/2010WO2010060859A1 Frequency adjustable optoelectronic device for frequency discrimination
06/03/2010WO2010060536A1 Infrared receiver circuit
06/03/2010WO2010060295A1 Method, device and system for realizing lr-pon
06/03/2010WO2010060293A1 System and method for pumping redundancy protection
06/03/2010WO2010036301A3 Method and apparatus for producing linearized optical signals
06/03/2010WO2010033654A3 All-optical balanced detection system
06/03/2010US20100138563 System and method for managing communication links
06/03/2010US20100135678 Optical receiving device, optical receiving circuit, and method for receiving optical signals
06/03/2010US20100135677 Temperature Controlled Interferometer For Phase Demodulation
06/03/2010US20100135676 Optical signal reception device and method of controlling optical signal reception
06/03/2010US20100135674 Complex optical modulation for real time communication
06/03/2010US20100135673 Apparatus and method for transmitting and receiving an information symbol in a visible light communication system for color code modulation
06/03/2010US20100135672 Optical reception device, optical receiving method, and optical transmission apparatus
06/03/2010US20100135671 Apparatus for transmitting and receiving visible light communication data
06/03/2010US20100135670 Phase-modulating communication device
06/03/2010US20100135669 Visible light communication apparatus and visible light communciation method
06/03/2010US20100135668 Compact wide-angle pixellated active optical link
06/03/2010US20100135667 Recovering energy from an IRDA/remote control transmitter circuit
06/03/2010US20100135665 Burst mode optical repeater
06/03/2010US20100135664 Chromatic dispersion compensating apparatus
06/03/2010US20100135663 Repeater and repeating method
06/03/2010US20100135662 Method for the raman amplification of optical signals and transmission system
06/03/2010US20100135660 Optical line terminal in gigabit passive optical network and method for transmitting broadcast frame using the same
06/03/2010US20100135656 Optical orthogonal frequency division multiplexed communications with nonlinearity compensation
06/03/2010US20100135654 Measuring differential group delay in an optical fiber connection
06/03/2010US20100135653 Optical network monitoring system and method thereof
06/03/2010US20100135652 Fault detecting method, system, and apparatus for pon system
06/03/2010US20100135651 Method and device for locating a communication source and mobile communication system using one such device
06/03/2010US20100135620 Small form-factor pluggable transceiver module
06/03/2010US20100134875 Optical amplifier, and optical transmission system including the optical amplifier
06/03/2010US20100134862 Optical amplifier
06/03/2010US20100134788 Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion
06/02/2010EP2192723A2 Optical burst transmission/reception control system, host station and slave station apparatus to be used therein, and optical burst transmission/reception control method
06/02/2010EP2192705A1 Optical transmission apparatus
06/02/2010EP2192704A1 Measurement of the delay of a differential unit of a fibre optics link
06/02/2010EP2192703A1 Optical transmission system and electronic device using the same
06/02/2010EP2191593A2 Time division multiple access over wavelength division multiplexed passive optical network
06/02/2010DE10001873B4 Optische Sende- und Empfangsvorrichtung Optical transmitting and receiving device
06/02/2010CN201499171U Erbium-doped fiber amplifier
06/02/2010CN201499170U Standard-base structure differential quadrature phase shifting leying type decomodulator
06/02/2010CN201499169U High integration level mobile communication optical fiber repeater station
06/02/2010CN201499168U Mobile terminal infra-ray circuit and mobile terminal for connecting SIM card
06/02/2010CN201499167U Optical fiber breaking point positioning device
06/02/2010CN101720443A Method and system for multiplexer waveguide coupling
06/02/2010CN101719851A Method and device for realizing performance statistics of optical network unit
06/02/2010CN101719845A Method for remotely monitoring local maintenance terminal
06/02/2010CN101719811A System and method for optimizing property of radio over fiber down transmission link
06/02/2010CN101719798A Device and method for multi-channel polarization mode dispersion (PMD) compensation
06/02/2010CN101719797A Method and device for realizing automatic gain balance of WDM system
06/02/2010CN101719796A Method for precisely designing gain flattening filter through automatic closed loop compensation
06/02/2010CN101719795A Fixing structure of functional module of optical transmitter and receiver
06/02/2010CN101719794A Mixed passive optical network system and transmission method thereof
06/02/2010CN101719793A System for access control of unidirectional light bus network based on priority level dynamic regulation
06/02/2010CN101719792A Platform for simulating link satellite photo-communication terminal-to-terminal relative sighting angle movement
06/02/2010CN101719791A Optic fiber transceiver having remote monitoring function and data transmission method
06/02/2010CN101719790A Laser self-adoptive trace adjustment system
06/02/2010CN101718941A Device for generating variable frequency millimeter-wave based on linear type cavity fiber bragg grating
06/02/2010CN101718940A Control device and control method for realizing rapid convergence of Er-doped fiber amplifier
06/02/2010CN101718888A Dispersion compensation fiber and module thereof
06/02/2010CN101716082A Optical data transmission system between rotator and stator
06/02/2010CN101339346B Device and method for full light generation for quadruple high speed millimeter wave signal
06/02/2010CN101299101B Wireless light communication modulating method and modulating signal transmitting/receiving device
06/02/2010CN101227235B Capture analog device of airborne laser communication system
06/02/2010CN101170439B Configuration method for multiplexing loop testing butt joint of devices
06/02/2010CN101141346B Wavelength division multiplexing passive optical network device
06/02/2010CN101073221B Method of distributing keys over EPON
06/01/2010US7729621 Controlling a bias voltage for a Mach-Zehnder modulator
06/01/2010US7729620 Methods and systems for controlling optical power attenuation
06/01/2010US7729619 Dispersion compensation controlling apparatus and method for searching for amount of dispersion control
06/01/2010US7729618 Optical networks for consumer electronics
06/01/2010US7729617 Flexible, dense line card architecture
06/01/2010US7729616 Phase chip frequency-bins optical code division multiple access
06/01/2010US7729615 Method for transmitting overhead information for wavelength division multiplex networks for fibre-optic information transmission
06/01/2010US7729614 Data distribution system and method
06/01/2010US7729613 Apparatus for optical path monitoring and an optical shutter for preventing signal transimission in a faulty optical path
06/01/2010US7729612 Method and system for maintenance of a passive optical network
06/01/2010US7729452 Method, apparatus and system for high-speed transmission on fiber optic channel
06/01/2010US7729030 Optical retro-reflective apparatus with modulation capability
06/01/2010CA2379912C Variable dispersion compensator and optical transmission system
05/2010
05/27/2010WO2010059811A1 Coded pulse data transmission using a look-up table
05/27/2010WO2010057425A1 Optical switching method and device
05/27/2010WO2010057414A1 Device, system and method for supporting data exchange of the base stations
05/27/2010WO2007010182A8 Optical network monitor pcb
05/27/2010US20100129089 Demodulator and receiving device
05/27/2010US20100129088 Optical transmission apparatus
05/27/2010US20100129087 Method and system for providing broadcasting service in visible light communication apparatus
05/27/2010US20100129086 System and method for increasing upstream optical coding gain in a gigabit passive optical network (gpon)
05/27/2010US20100129085 Plasmonic systems and devices utilizing surface plasmon polariton
05/27/2010US20100129084 Bi-directional parallel optical link
05/27/2010US20100129083 Parallel optical transceiver module that utilizes a folded flex circuit that reduces the module footprint and improves heat dissipation
05/27/2010US20100129081 Distributed raman amplifier and optical communication system