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)
05/2007
05/16/2007CN1316768C Transmission apparatus using a plastic fiber
05/16/2007CN1316767C Method for reducing Brillonin scattering effect influence excited in optical transmission system and device thereof
05/16/2007CN1316766C 红外线接收器 IR receiver
05/16/2007CN1316765C 遥控器 Remote Control
05/16/2007CN1316764C Communication system and communication luminous equipment
05/16/2007CN1316763C Duty ratio adjustable high-speed optical return-to-zero code generation method and its equipment
05/16/2007CN1316762C Circuit and method for receiving data
05/16/2007CN1316761C Method for preventing trouble occurring in optical network
05/16/2007CN1316280C Creeping cable
05/16/2007CN1316273C Drawing structure of optical fiber transceiving modular
05/16/2007CN1316270C Optical isolator
05/15/2007US7219165 High-speed data transfer in a networked server environment via laser communication
05/15/2007US7219147 Method of effecting protection control in communication network and RPR apparatus
05/15/2007US7218953 Infrared communication adapter
05/15/2007US7218865 Burst-mode optical receiver of differential output structure
05/15/2007US7218864 Optical wavelength locking apparatus and method for a multi-channel optical communication system
05/15/2007US7218863 Optical transmission system for optimizing bias of laser diode for SCM analog optical signal
05/15/2007US7218862 All optical cross routing using decoding systems for optical encoded data symbols
05/15/2007US7218861 Optical transceiver, a multiplexing integrated circuit, a demultiplexing integrated circuit, an integral multiplexing/demultiplexing integrated circuit, and method for evaluating and testing the optical transceiver
05/15/2007US7218860 Optical transceiver module with ambient light circuitry
05/15/2007US7218859 System and method for an optical signal monitor
05/15/2007US7218858 System and method for use of a variable optical attenuator in an optical network
05/15/2007US7218856 System for compensating for chromatic dispersion and polarization mode dispersion
05/15/2007US7218855 System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide
05/15/2007US7218854 High capacity passive optical network
05/15/2007US7218851 Communication network design with wavelength converters
05/15/2007US7218850 Apparatus and method for monitoring signal-to-noise ratio in optical transmission systems
05/15/2007US7218832 Eye-diagram mask for optical pulses
05/15/2007US7218829 Optical transmission module
05/15/2007US7218818 Dispersion compensation device and dispersion compensation method
05/15/2007US7218808 Equalizer circuit for a light source
05/15/2007US7218807 Optical transmission system using an optical phase conjugation device
05/15/2007US7218805 WDM ring network for flexible connections
05/15/2007US7218800 Compensator for polarization-mode dispersion compensation
05/15/2007US7218654 Eye diagram improving method for laser transmitter
05/15/2007US7218443 Generation of tunable light pulses
05/15/2007US7218442 Optical communications system with fiber break detection in the presence of Raman amplification
05/15/2007US7217914 Method for calibrating an optoelectronic device based on APD breakdown voltage
05/15/2007US7217911 Solid state light detector
05/15/2007US7217043 Optoelectronic transceiver
05/15/2007CA2376316C Optical pulse source for long haul optical communication systems
05/10/2007WO2007053478A2 Optical antenna assembly
05/10/2007WO2007053477A2 Electromagnetic device with frequency downconverter
05/10/2007WO2007053172A2 Phase chip frequency-bins optical code division multiple access
05/10/2007WO2007052836A2 Visible light communication apparatus and method
05/10/2007WO2007052380A1 Photoreceptor using mach-zehnder interferometer
05/10/2007WO2007051843A1 Method for controlling power levels in a point-to-multi point network
05/10/2007WO2007016537A3 Communication transceiver architecture
05/10/2007WO2006084086A3 Long time aperture optical tapped delay line
05/10/2007WO2006071790B1 Communication systems incorporating control meshes
05/10/2007WO2000045519A3 Broad band controlled angle analog diffuser and associated method s
05/10/2007US20070105560 Communications network, in particular for telephony
05/10/2007US20070104494 Opitcal receiver reliably detectable loss-of-signal state
05/10/2007US20070104493 Optical receiver preamplifier
05/10/2007US20070104492 System for and method of single slideband modulation for analog optical link
05/10/2007US20070104491 Optical regenerator in optical fiber communication system
05/10/2007US20070104490 Method and system for optimum channel equalization from a SerDes to an optical module
05/10/2007US20070104489 Distributed terminal optical transmission system
05/10/2007US20070104486 Optical network system and device, and method for controlling optical network and device
05/10/2007US20070104483 Methods and apparatus for optical network management using pilot tones
05/10/2007US20070104427 Light transceiver module
05/10/2007US20070104239 Visible light communication apparatus and visible light communication method
05/10/2007US20070103767 Method for controlling the pump power of an optical amplifier
05/10/2007US20070103755 Laser-induced optical wiring apparatus
05/10/2007US20070102830 Flexible printed circuit board
05/10/2007DE10047380B4 Verfahren zum Regeln des Arbeitsbereiches eines Modulators und zugehörige Ansteuereinheit A method for controlling the working range of a modulator and associated drive unit
05/09/2007EP1783933A1 Distortion cancellation circuitry for optical receivers
05/09/2007EP1783932A1 Implement method and device of protection switching protocol using ip communication mode
05/09/2007EP1783931A1 Photon detecting apparatus and optical communication system
05/09/2007EP1783930A1 Modulation light signal generating device and fsk modulation signal generating device
05/09/2007EP1782761A1 Prosthesis having a plurality of stent segments and an apparatus for delivering the same
05/09/2007EP1782562A2 A private and secure optical communication system using an optical tapped delay line
05/09/2007EP1782111A2 Fiber optic article
05/09/2007EP1741209A4 System and method for subcarrier modulation in ism band as supervisory channel
05/09/2007EP1627249A4 Serial routing of optical signals
05/09/2007EP1523078B1 Optical semiconductor device
05/09/2007EP1488550B1 Optical transmission system using an optical phase conjugation device
05/09/2007EP1486014B1 Optically powered and controlled optical switch
05/09/2007EP1445890B1 Cryptographic communication apparatus
05/09/2007EP1382147A4 A network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth
05/09/2007EP1064748A4 Optical layer survivability and security system
05/09/2007EP1056395B1 Optical high speed communications for computer tomograph
05/09/2007EP0771498B1 Rolling code security system
05/09/2007CN2899300Y Double-refraction free-space optical bridge
05/09/2007CN2898943Y Portable electronic apparatus
05/09/2007CN1961507A UART-encoded pulse-modulation technique
05/09/2007CN1961506A Analog to digital signal conditioning in optoelectronic transceivers
05/09/2007CN1961505A Ultra wideband communication system, transmission device, reception device, and relay device used for the same
05/09/2007CN1961235A Power source for a dispersion compensation optical fiber system
05/09/2007CN1960296A Implementation system and method for testing intermittent disconnection of signal
05/09/2007CN1960217A Optical transferred synthetized accessing PDH device in multiple services
05/09/2007CN1960216A Distortion cancellation circuitry for optical receivers
05/09/2007CN1960215A Power feeding equipment and method for receiver of avalanche photodiode
05/09/2007CN1960089A Light source, light transmitter, and method
05/09/2007CN1960087A Method and system for stabilizing operation of laser sources
05/09/2007CN1960086A Self-similar pulsed erbium doped fiber laser in femtosecond
05/09/2007CN1960085A Self-similar pulsed fiber laser in femtosecond
05/09/2007CN1315310C Optical label switching structure supporting blocking mode and multiplexing control
05/09/2007CN1315278C Virtual ring protection method for optical wave division network
05/09/2007CN1315274C Method for uniformizing gain spectrum of Raman erbium dosed oplical fiber amplifier assembly structure