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)
02/2007
02/14/2007CN1300956C Light module of light time domain reflector, light time domain reflector and fibre-optical testing method
02/14/2007CN1300955C Narrow band Fabry-Perot filter with flattop output response
02/14/2007CN1300954C Two-way circuit protective inverting method
02/14/2007CN1300608C Optical fiber, light transmission line using said optical fiber and light transmission system
02/13/2007US7177550 On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors
02/13/2007US7177547 System and method for controlling polarity of a data signal
02/13/2007US7177546 Time division multiplexed optical wireless point-to-multipoint links
02/13/2007US7177545 Optical filter and transmission system incorporating an optical filter
02/13/2007US7177544 Photonic network packet routing method and packet router for photonic network
02/13/2007US7177543 Method for routing optical packets using multiple wavelength labels, optical packet router using multiple wavelength labels, and optical packet network that uses multiple wavelength labels
02/13/2007US7177542 Generator of optical data carrier signals with selectable carrier wavelengths
02/13/2007US7177541 OSNR monitoring method and apparatus for the optical networks
02/13/2007US7177540 Method for upgrading an optical transmission system and an optical transmitter
02/13/2007US7177501 Optical chromatic dispersion compensation module
02/13/2007US7177326 Communication system
02/13/2007US7177099 Deep ultraviolet unit-magnification projection optical system and projection exposure apparatus
02/13/2007US7177074 Circuit and method for safety shutdown of an optical amplifier
02/13/2007US7177073 Multiple order Raman amplifier
02/13/2007US7177039 Data receiving apparatus and image forming apparatus using the same
02/13/2007US7177017 USB optical time domain reflectometer
02/13/2007US7176428 Laser-based, multiphoton-excitation-type optical examination apparatus
02/13/2007US7175353 Duplex optical transceiver
02/13/2007CA2372344C Planar lightwave wavelength blocker
02/08/2007WO2007016537A2 Communication transceiver architecture
02/08/2007WO2007015296A1 Radio communication system
02/08/2007WO2007014799A1 Method and system for polarization modem dispersion compensation
02/08/2007WO2006096468A3 Enhanced detection of biological and bioactive components by resonance raman spectroscopy
02/08/2007WO2006050146A3 Transceiver based loop back initiation
02/08/2007US20070031157 Optical communication transmitter, optical communication receiver, optical communication system, and communication apparatus
02/08/2007US20070031156 Amplification of TTL RF oscillator signals with digital logic and power switching technology for CO2 laser RF power supplies
02/08/2007US20070031155 Optical communication line with dispersion intrachannel nonlinearities management
02/08/2007US20070031154 Measurement system having modulated laser source
02/08/2007US20070031153 Transceiver module and integrated circuit with dual eye openers
02/08/2007US20070031152 Optical wireless communications realignment
02/08/2007US20070031151 Acquisition, pointing, and tracking architecture for laser communication
02/08/2007US20070031150 Communication transceiver architecture
02/08/2007US20070031149 Space optical transmission apparatus and space optical transimission system
02/08/2007US20070031148 Method, apparatus and system for optical communications
02/08/2007US20070031147 Processes and devices for the determination of a pmd-induced outage probability of an optical transmission system
02/08/2007US20070031146 Node apparatus, optical wavelength division multiplexing network, and system switching method
02/08/2007US20070031095 Fiber optics transmission line
02/08/2007US20070031084 Trafic monitoring system
02/08/2007US20070030891 Receiver for an optical signal
02/08/2007US20070030562 Multimode fiber optic amplifier and method of amplifying optical signals
02/08/2007US20070030560 Gain flattening filter for preserving the spectral bandwidth in cryogenic ultrashort-pulse laser amplifiers
02/08/2007US20070030559 Method for optimizing output in ultrashort-pulse multipass laser amplifiers with selective use of a spectral filter
02/08/2007US20070030558 Raman-amplified optical transmission system and method for amplifying optical signals
02/08/2007US20070030556 Optical frequency converter
02/08/2007CA2617537A1 Method and system for polarization modem dispersion compensation
02/07/2007EP1750380A1 Receiver for an optical signal
02/07/2007EP1749357A1 Method and apparatus for producing high extinction ratio data modulation formats
02/07/2007EP1749356A2 Optical line termination, optical access network, and method and apparatus for determining network termination type
02/07/2007EP1749355A1 Voa control
02/07/2007EP1749354A2 Undersea optical transmission system employing low power consumption optical amplifiers
02/07/2007EP1749228A1 Apparatus for the transmission of data via a plastic optical waveguide
02/07/2007CN2867728Y SCDMA fiber-optical high-frequency-amplification station
02/07/2007CN2867367Y XFP light receiving and emissive integral module
02/07/2007CN1910843A Optical signal quality monitoring circuit and optical signal quality monitoring method
02/07/2007CN1910842A Pulse signal demodulation device
02/07/2007CN1909741A Wavelength/wave band sharing conversion structure
02/07/2007CN1909425A Wavelength division coupler and optical transceiver using the same
02/07/2007CN1909424A Optical transponder with active heat transfer
02/07/2007CN1909423A Data differentiating circuit for clock data recovery circuit and its differentiating method
02/07/2007CN1909422A Receiver for an optical signal
02/07/2007CN1909420A Optical switch reversing device for test of multiple light jaws equipment
02/07/2007CN1909419A Illuminating source self-adapting mode alignment device and method
02/07/2007CN1909312A Deep quantum well electro-absorption modulator
02/07/2007CN1908945A Method for implementing mesh based optical mesh emulation platform
02/07/2007CN1908714A Eccentrically focus-adjusted optical fiber adapter structure and regulation method of same
02/07/2007CN1908705A Chromatic dispersion compensating and chromatic dispersion slope compensating fiber
02/07/2007CN1299459C Channel sharing ring protection supported protection switching protocol implementing method
02/07/2007CN1299458C Communication system
02/07/2007CN1299451C Distributing topopology polymerization method of wave wavelength route optical network
02/07/2007CN1299450C Device and method for connecting optical waveguide between card and backplane
02/07/2007CN1299449C Method for generating sideband reinforcement nulling operation code and transmitter therefor
02/07/2007CN1299448C Method for realizing Ethernet passive optical fiber network
02/07/2007CN1299447C Device for raising business protection capacity of optical transmission equipment network
02/07/2007CN1299192C Remote-wireless controller for computer
02/07/2007CN1299147C Direfraction filter spectrum gain equalizer and its manufacturing method
02/07/2007CN1299139C Wave guide type light adjustable attenuator and its compensating method for polarizing relative loss
02/07/2007CN1299137C Large chromatic dispersion Bragg type photonic crystal fiber
02/07/2007CN1298267C Device of positioning and clamping shoe last for shoe maker
02/06/2007US7174109 Method and apparatus for encoding optical power and non-payload data in an optical signal
02/06/2007US7174108 Transmission device and repeater
02/06/2007US7174107 Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning
02/06/2007US7174106 Multi-rate and multi-level gigabit interface converter
02/06/2007US7174105 All-optical time division multiplexing system
02/06/2007US7174104 Transmitting apparatus using multiple lambda source in WDM network
02/06/2007US7174103 Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus
02/06/2007US7174102 Bi-directional wavelength division multiplexing self-healing passive optical network
02/06/2007US7174101 Optical switching method and system therefor
02/06/2007US7174099 System for regulating optical output power
02/06/2007US7174098 Apparatus and method for monitoring optical signal
02/06/2007US7174097 Method and an apparatus for signal transmission
02/06/2007US7174096 Method and system for providing protection in an optical communication network
02/06/2007US7174064 Optical channelizer utilizing resonant microsphere coupling
02/06/2007US7173948 Optical transmission/reception system for various video signals
02/06/2007US7173753 Optical data receiver systems
02/06/2007US7173696 Polarization mitigation technique
02/06/2007US7172346 Optical communications adapter, system and method