Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
03/2010
03/18/2010US20100067098 Methods to control phase shifts of delay demodulation devices
03/17/2010EP2164199A2 Polarization multiplexed light transmitter and control method thereof
03/17/2010EP2164190A1 System for visible light communication using single light source
03/17/2010EP2164189A1 Passive optical network system and fault determination method
03/17/2010EP2163011A2 Long range optical network with location of an amplification means at the optical exchange
03/17/2010EP1952562B1 Acquisition, pointing, and tracking architecture for laser communication
03/17/2010EP1833179B1 Optical reception device
03/17/2010CN201426185Y Single-fiber transmission 1-to-N fiber-optic repeater system
03/17/2010CN201426118Y Protective device for backbone optical fiber link of passive optical network
03/17/2010CN201425666Y Differential raster space optical bridge
03/17/2010CN101675612A 光传输模块 The optical transmission module
03/17/2010CN101674501A Realization method and system of gigabit passive optical network registration process
03/17/2010CN101674499A Passive optical network system and fault determination method thereof
03/17/2010CN101674463A Method for improving reliability of passive optical network video monitoring system
03/17/2010CN101674218A Method and device for intercommunicating optical transport networks
03/17/2010CN101674147A ASK-FSK converter and conversion method
03/17/2010CN101674139A Method, device and system for perceiving service provider from optical network device
03/17/2010CN101674138A Driving magnitude control device of differential quadrature phase shift keying transmitter and method
03/17/2010CN101674137A Optical transmitter and receiver with multi-communication mode interface
03/17/2010CN101674136A Optical frequency-doubling millimeter wave RoF signal generation system and method of OFDM modulation mode
03/17/2010CN101674135A Filtering locking method and filtering locking device
03/17/2010CN101674134A Optical lens integrated module and optical secondary module
03/17/2010CN101674133A Visible light communication system using single light source
03/17/2010CN101674132A Multipoint high-frequency microwave signal generating method
03/17/2010CN101673447A Guard and alarm system, family gateway and guard and alarm method
03/17/2010CN100594400C Device for regenerating an optical signal, the use of such a device, and an installation including such a device
03/16/2010US7680421 Multimode optical fibre communication system
03/16/2010US7680420 Optical E-field modulation using a directly driven laser
03/16/2010US7680419 Repeater and repeating method
03/16/2010US7680418 Multi-rate clock signal extracting method and multi-rate clock signal extracting device
03/16/2010US7680417 Bi-directional parallel optical link
03/16/2010US7680416 WDM-PON having optical source of self-injection locked fabry-perot laser diode
03/16/2010US7680414 Passive optical network system and operating method thereof
03/16/2010US7680413 Optical network monitoring system and method
03/16/2010US7680412 Method and device for in-band optical performance monitoring
03/16/2010US7680389 Light transceiver module
03/16/2010US7680388 Methods for configuring and testing fiber drop terminals
03/16/2010US7680361 Optical buffer device
03/16/2010US7680160 Control circuit for optoelectronic module with integrated temperature control
03/11/2010WO2010028359A1 Method and system for adjusting network interface metrics
03/11/2010WO2010027459A2 Optical communication device, method and system
03/11/2010WO2010027042A1 Optical element
03/11/2010WO2010026894A1 Optical signal transmission system, transmitter, receiver, and optical signal transmission method
03/11/2010WO2010026757A1 Transmitter, receiver, optical transmission system, and optical transmission method
03/11/2010WO2010026541A1 Polarisation mode dispersion emulator apparatus
03/11/2010WO2010026083A1 Device for optical communication comprising an integrated optical combining module and an optical communication system provided with such a device
03/11/2010WO2010025966A1 Safety and power control arrangement and method for optical fiber communication systems
03/11/2010WO2010025671A1 Method and apparatus for transmitting 10 gigabit optical fiber channel service in optical transport network
03/11/2010WO2010025668A1 Method, apparatus and system for optical network unit power off processing
03/11/2010WO2010025641A1 Method and device of bias control of laser modulator
03/11/2010WO2010002567A3 Optical activation/deactivation of one or more communication units in a survey system
03/11/2010US20100064050 Content delivery system using wireless portable terminal and delivery method therefor
03/11/2010US20100061738 Signal Processor for Compensating for Optical Fiber Chromatic Dispersion
03/11/2010US20100061737 Optical receiver with low-pass filter and mlse unit, and optical communication system implementing the optical receiver
03/11/2010US20100061734 Optical communication device, method and system
03/11/2010US20100061733 Field device configured for wireless data communication
03/11/2010US20100061732 Small form factor pluggable transceiver module
03/11/2010US20100061730 Optical transmitting or receiving unit integrating a plurality of optical devices each having a specific wavelength different from each other
03/11/2010US20100061724 Hierarchical Routing Query Method of Automatic Switched Optical Network
03/11/2010US20100061723 Optical sensor system, optical sensor device and bus segment for connecting the device to a bus of the system
03/11/2010US20100061722 Network design apparatus and network design method
03/11/2010US20100061721 Method and system for adjusting network interface metrics
03/11/2010US20100061719 Utilizing Optical Bypass Links in a Communication Network
03/11/2010US20100060978 Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems
03/10/2010EP2161860A1 All-optical regenerator
03/10/2010EP2161859A1 Safety and power control arrangement for optical fiber communication systems
03/10/2010EP2161858A1 Optical receiver circuit
03/10/2010EP2161857A2 Method and system for monitoring and servicing of devices based on one-wire infrared communication
03/10/2010EP2161800A1 A method and system for controlling wavelengths of multi-path lasers
03/10/2010EP2161798A1 Optical modulation signal generation device and optical modulation signal generation method
03/10/2010EP1623525B1 Method and apparatus for use in a communication system
03/10/2010EP1400141B1 Network and method for connecting antennas to base stations in a wireless communication network using space diversity
03/10/2010CN201422142Y Optical receiver based on wire television optical fiber transmission network
03/10/2010CN201422110Y Relay protection fiber channel simulation experimental instrument
03/10/2010CN101669317A Network fault detection and protection switching
03/10/2010CN101669305A Multi-mode integrated circuit for use in optoelectronic devices
03/10/2010CN101668232A Method, device and system for processing power failure of optical network unit
03/10/2010CN101667870A Manufacturing method of electrode used in communication of quasi-electrostatic field
03/10/2010CN101667869A Method for using cascade passive annular resonant cavity to generate millimeter waves
03/10/2010CN101667868A Two-way 40GHz millimeter wave RoF communication system integrating 802.11g standard OFDM chip and method therefor
03/10/2010CN101667867A High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station
03/10/2010CN101667866A Optical component module, optical node, optical distribution system and management method
03/10/2010CN101667865A Device for realizing protection switching in wavelength division multiplexing passive optical network (WDM PON), system and method therefor
03/10/2010CN101667864A Method of descending physical link fault diagnosis, system and device
03/10/2010CN101667863A Device and method for enhancing channel alarm triggering in multiplex section shared ring net protection
03/10/2010CN101667862A Optical network system, optical network equipment and exchanging method thereof
03/10/2010CN100593919C Pulse signal demodulation device
03/09/2010US7676162 Phase monitor used in optical receiver
03/09/2010US7676161 Modulation E-field based control of a non-linear transmitter
03/09/2010US7676160 Supervisory controlling method and supervisory controlling system of optical repeater
03/09/2010US7676159 All-optical header processing and packet switching
03/09/2010US7676158 Method and system for optimum channel equalization from a SerDes to an optical module
03/09/2010US7676157 Method and apparatus for providing gain equalization to an optical signal in an optical communication system
03/09/2010US7676156 Method and system for multiplexed optical information transport
03/09/2010US7676154 Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network
03/09/2010US7676152 Optical power monitor for PON telecommunication
03/09/2010US7676127 Optical communication system using WDMA and CDMA
03/09/2010US7675936 Passive optical network (PON) system
03/09/2010US7675843 Multipoint-to-point communication using orthogonal frequency division multiplexing
03/09/2010CA2551449C Buried fiber optic system including a sub-distribution system and related methods
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