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)
08/2010
08/17/2010CA2636572C A method for reshaping, regeneration and retiming of optical data signals and semiconductor for use therein
08/17/2010CA2547966C Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters
08/12/2010WO2010091004A1 Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
08/12/2010WO2010090999A1 Optical fiber-based distributed antenna systems, components, and related methods for monitoring and configuring thereof
08/12/2010WO2010090364A1 Triplexer
08/12/2010WO2010090050A1 Optical communication system and optical communication method
08/12/2010WO2010088858A1 System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks
08/12/2010WO2010088856A1 Generic mapping/demapping method and apparatus in an optical transport network
08/12/2010WO2010088728A1 An optical connection system
08/12/2010WO2010062094A3 Visible ray communication system, transmission apparatus, and signal transmission method
08/12/2010WO2010062092A3 Visible ray communication system and method for transmitting signal
08/12/2010US20100202785 Quadrature amplitude modulation signal generating device
08/12/2010US20100202783 Phase noise suppression in an optical system
08/12/2010US20100202782 Apparatus for transmitting data between two systems which move relative to one another
08/12/2010US20100202781 Tunable Optical Transceiver in an XFP Package
08/12/2010US20100202780 Digital transmission of data in white light by leds
08/12/2010US20100202779 IrDA transceiver module that also functions as remote control IR transmitter
08/12/2010US20100202776 Optical Modulation Signal Generating Device and Optical Modulation Signal Generating Method
08/12/2010US20100202775 Method, apparatus and system for high-speed transmission on fiber optic channel
08/12/2010US20100201554 Method and device for generating an electrical signal with a wide band arbitrary waveform
08/12/2010DE102008064573B3 Optical monitoring system i.e. surgical microscope, for use in medical field, has demodulator connected with receiver and LCD display and converting modulation of electrical signal into electrical signals used by LCD display
08/12/2010DE102006001080B4 Einrichtung für das Management und Monitoring eines aus optischen Fasern bestehenden Netzwerkes Means for the management and monitoring of existing optical fiber network
08/12/2010DE102005030299B4 Dynamisches datenratenadaptives Signalverarbeitungsverfahren in einem drahtlosen Infarot-Datenübertragungssystem Dynamic data rate adaptive signal processing method in a wireless infared data transmission system
08/12/2010DE102004050384B4 Signalübertragungseinrichtung zur Übertragung von Signalen zwischen zwei relativ zueinander bewegten Elementen unter Nutzung einer optisch auslesbaren Streifenleitung Signal transmitting means for transmitting signals between two relatively moving elements by using an optically readable strip line
08/11/2010EP2216932A1 Bit identification circuit
08/11/2010EP1028550B1 Optical switch
08/11/2010CN201550137U Optical differential phase shift keying demodulation device
08/11/2010CN201550128U Real time compensation phase differential interference device
08/11/2010CN201550125U Controller realizing rapid convergence of erbium doped fiber amplifier
08/11/2010CN201550124U Variable-channel transmission type optical fiber repeater
08/11/2010CN201550123U Optical fiber wireless communication system
08/11/2010CN201550122U Optically controlled optical receiver adopting automatic gain control
08/11/2010CN201550121U Ultra-low-power light receiver
08/11/2010CN201550120U Optical-fiber communication channel of integrated automation system
08/11/2010CN201550119U Optical detector of fiber transmission transceiving module
08/11/2010CN201550118U Laser transmitting driving matching device
08/11/2010CN201550117U Low-speed optical interface transmission equipment
08/11/2010CN201550116U Network communication converter
08/11/2010CN201550115U Optical time domain reflectometer based on bidirectionally-amplified erbium-doped fiber amplifier
08/11/2010CN201550114U 3g broadband optical receiver
08/11/2010CN201548713U Raman amplifier based on square photonic crystal fibers
08/11/2010CN1988420B Method for detecting optic fiber polarization mode dispersion
08/11/2010CN101803248A Reconstruction of two polarization components of an optical signal field
08/11/2010CN101803247A Pmd insensitive direct-detection optical OFDM systems using self-polarization diversity
08/11/2010CN101803246A multi-port accumulator for radio-over-fiber (rof) wireless picocellular systems
08/11/2010CN101802684A An optical filter
08/11/2010CN101800915A Substation, terminal and system for collecting information of electricity consumption
08/11/2010CN101800914A Key switching method and system
08/11/2010CN101800913A Realization method for protecting and restoring multiplex section of automatically switched optical network
08/11/2010CN101800714A Judgment feedback channel estimation method based on training sequence in light OFDM (orthogonal frequency division multiplexing) system
08/11/2010CN101800607A High-order dynamic adjustable dispersion compensation equipment and dispersion compensation method thereof
08/11/2010CN101800606A Optical single-side band modulating device
08/11/2010CN101800605A Optical receiver, control device thereof and control method thereof
08/11/2010CN101800604A Light coherence receiving system and method thereof
08/11/2010CN101800603A Method for carrying out self adaptation in optical network according to rate and signal transmission device
08/11/2010CN101800602A Bias point control method and device of DQPSK (Differential Quadrature Phase-shift Keying) demodulator
08/11/2010CN101800601A Millimeter wave generator based on cascading Mach-Zehnder modulators
08/11/2010CN101800600A Photoelectric conversion circuit and realizing method thereof based on 1553B bus
08/11/2010CN101800599A Optical fiber circuit-protecting equipment and system
08/11/2010CN101800598A New balance detection bias control method for MZ external modulator
08/11/2010CN101800597A Method and system for preventing vibration of fiber interface
08/11/2010CN101800596A Method for measuring performance of multi-branch node optical cable line
08/11/2010CN101800595A Optical transceiver ic
08/11/2010CN101800594A Optical channel protection configuring method and system
08/11/2010CN101799611A Zero-heat differential phase shift keying demodulator
08/11/2010CN101799581A Tunable dispersion compensator
08/11/2010CN101799576A Fiber optic distribution device and fiber optic network including the same
08/11/2010CN101504710B Method and equipment for security of intranet computer
08/11/2010CN101364025B Digital type high speed wave lengh demodulator
08/11/2010CN101145836B A multi-service integrated access device
08/11/2010CN101083589B Terminal detection authentication process, device and operation administrative system in passive optical network
08/11/2010CN101068130B Optical privacy communication system and securing method
08/10/2010US7773887 Single wavelength bi-directional RoF link apparatus or signal transmission in TDD wireless system
08/10/2010US7773886 Optical regenerator in optical fiber communication system
08/10/2010US7773885 Thermal drift compensation system and method for optical networks
08/10/2010US7773884 Method and apparatus for automatic shut-down and start-up of optical amplifiers in optical networks
08/10/2010US7773881 Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device
08/10/2010US7773880 Optical access system
08/10/2010US7773879 Digital optical transmitter
08/10/2010US7773877 Method for handling channel failures in an automatically switched optical network
08/10/2010US7773657 Laser-induced optical wiring apparatus
08/10/2010US7773537 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
08/10/2010US7773295 Optical amplication module, optical amplifier, optical communication system, and white light source
08/10/2010US7773294 Low-average-power parabolic pulse amplification
08/10/2010US7773283 Optical modulation device and optical modulation method
08/10/2010CA2546624C Apparatus and method for improved fibre channel oversubscription over transport
08/10/2010CA2423473C A transmitter circuit comprising a light source and a communication system
08/10/2010CA2414027C Optical tapped delay line
08/10/2010CA2394237C Per-channel optical amplification using saturation mode
08/05/2010WO2010088587A1 Polarization multiplexing with different dpsk modulation schemes and system incorporating the same
08/05/2010WO2010087603A2 Visible light multiplex communication system
08/05/2010WO2010087011A1 Light reception device and method for controlling the same
08/05/2010WO2010048318A3 Free space optical communication with optical film
08/05/2010WO2010022906A3 Identification element having an optical transponder
08/05/2010US20100196018 Method and device for comunicating data using a light source
08/05/2010US20100196017 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system
08/05/2010US20100196016 Polarization Multiplexing with Different DPSK Modulation Schemes and System Incorporating the Same
08/05/2010US20100196015 Technique for securing transmission of data along an optical communication line
08/05/2010US20100196014 Method and device for hitless tunable optical filtering
08/05/2010US20100196013 System and method for a photonic system