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) |
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01/22/2008 | US7321734 Digital synthesis of readily compensated optical signals |
01/22/2008 | US7321733 Split-band optical transmission system and optical transmission method used therein |
01/22/2008 | US7321732 Method and apparatus for improving noise immunity for low intensity optical communication |
01/22/2008 | US7321730 Method and apparatus for the transmission fault detection in an access network |
01/22/2008 | US7321729 Optical ring network with selective signal regeneration and wavelength conversion |
01/22/2008 | US7321728 Optical waveform for use in a DWDM optical network and systems for generating and processing same |
01/22/2008 | US7321727 Method for network commissioning using amplified spontaneous emission (ASE) sources |
01/22/2008 | US7321702 Optical modulator, optical transmitter, optical modulating method and manufacturing method of the optical modulator |
01/22/2008 | US7321621 Differential receiver circuit with electronic dispersion compensation for optical communications systems |
01/22/2008 | US7321606 Laser trim and compensation methodology for passively aligning optical transmitter |
01/22/2008 | CA2460889C Method and apparatus for transmission of upstream data in an optical network |
01/17/2008 | WO2008008678A2 Light source with precisely controlled wavelength-converted average power |
01/17/2008 | WO2008008490A2 Fiber in the home |
01/17/2008 | WO2008008125A2 Method and device for secret radio communications |
01/17/2008 | WO2008008105A2 Detection and monitoring of partial discharge of a power line |
01/17/2008 | WO2008006966A2 Communication interface for electricity meter |
01/17/2008 | WO2008006964A2 Deep-sea network and deployment device |
01/17/2008 | WO2008006766A1 Method and arrangements for determining the optical signal-to-noise ratio for an optical transmission system |
01/17/2008 | WO2008006755A1 Method and device for surveillance of optical connection paths for a transparent optical network |
01/17/2008 | WO2008006318A1 1+1 service protection method in obs networks, switching node apparatus and service protection system |
01/17/2008 | WO2008006268A1 Method system and node device for realizing service protection in the automatically switched optical network |
01/17/2008 | WO2007129031A8 Data signal isolation apparatus |
01/17/2008 | WO2007082055A3 Broad- and inter-band multi-wavelength-reference method and apparatus for wavelength measurement or monitoring systems |
01/17/2008 | WO2007035598A3 Apparatus and method for adaptive adjustment and performance monitoring of avalanche photo-diode optical receiver and laser transmitter for fiber link long haul applications |
01/17/2008 | US20080013964 Optical reception apparatus |
01/17/2008 | US20080013963 Demodulation circuit, ic, and communication device |
01/17/2008 | US20080013962 Pulse-Modulated Signal Demodulation Circuit, and Photoreceiver Circuit and Electric Appliance Provided Therewith |
01/17/2008 | US20080013960 Apparatus and method for providing information for at least one structure |
01/17/2008 | US20080013958 Information communication system for use in robot |
01/17/2008 | US20080013957 Service Aggregation Gateway |
01/17/2008 | US20080013956 Provisioning of Services Via an Optical Fiber Network |
01/17/2008 | US20080013951 Wavelength division multiplexing passive optical network system |
01/17/2008 | US20080013950 Wavelength reconfigurable optical network |
01/17/2008 | US20080013949 Link connectivity verification method |
01/17/2008 | US20080013947 Method and device for surveillance of optical connection paths for a transparent optical network |
01/17/2008 | US20080013909 Modular Optical Fiber Network Interface |
01/17/2008 | US20080013906 Optical fiber, transmission system, and wavelength division multiplexing system |
01/17/2008 | US20080013728 Method and Device for Ensuring Data Security in Passive Optical Network |
01/17/2008 | US20080013164 Amplifying Optical Electromagnetic Wave Concentrator |
01/17/2008 | US20080013163 Light source with precisely controlled wavelength-converted average power |
01/17/2008 | US20080013162 Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system using same |
01/17/2008 | US20080011943 Optical system and method for monitoring variable in rotating member |
01/17/2008 | DE102006032463A1 Spektrumanalyse externer optischer Modulatoren Spectrum analysis of external optical modulators |
01/17/2008 | CA2656911A1 Method and arrangements for determining the optical signal-to-noise ratio for an optical transmission system |
01/17/2008 | CA2654665A1 Deep-sea network and deployment device |
01/16/2008 | EP1879309A1 Method and device for the surveillance of optical connection paths for a transparent optical network |
01/16/2008 | EP1879308A1 Method and apparatus for monitoring optical links in an optical transparent network |
01/16/2008 | EP1879307A1 Method and apparatus for protecting a network link |
01/16/2008 | EP1878144A1 Optical dispersion compensation |
01/16/2008 | EP1878143A1 Passive optical test termination |
01/16/2008 | EP1878142A1 Method and device for in-band optical performance monitoring |
01/16/2008 | EP1878141A2 Cotdr arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments |
01/16/2008 | EP1653828B1 Toothbrush |
01/16/2008 | EP1311882B1 Optical fiber system |
01/16/2008 | CN201008161Y Electricity-saving device for optical network unit |
01/16/2008 | CN201008160Y Single fiber bidirectional protection optical module with return loss monitoring function |
01/16/2008 | CN201008159Y Optical module assembly structure and optical module using the same |
01/16/2008 | CN201008158Y Multi-business synthetic access equipment |
01/16/2008 | CN101107834A Communication device, communication system, communication method, communication program, and communication circuit |
01/16/2008 | CN101106434A A single optical three-folded wave division multiplexer for flat frequency spectrum |
01/16/2008 | CN101106430A Optical access system of protocol converter |
01/16/2008 | CN101106429A Optical access system for optical modem using high speed synchronization data exchange standard |
01/16/2008 | CN101106428A Optical network bridge optical fiber access system for European data transfer standard |
01/16/2008 | CN101106427A Single network bridge optical fiber access system for European data transfer standard |
01/16/2008 | CN101106426A Optical fiber access system for multi-service optical fiber transceiver |
01/16/2008 | CN101106425A Optical fiber access system for Ethernet optical model |
01/16/2008 | CN101106424A Method and apparatus for monitoring optical links in an optical transparent network |
01/16/2008 | CN101106253A Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system |
01/16/2008 | CN100362816C Method for detecting spare channel |
01/16/2008 | CN100362758C Inter-board channel protection device and method |
01/16/2008 | CN100362379C Self-adaptive dispersion compensation process and device in polarization mode of broadband |
01/16/2008 | CN100362377C Sol-gel material derived adjustable light attenuator and its producing method |
01/16/2008 | CN100362376C Latching mechanism of plug-able optical module |
01/15/2008 | US7319886 Communication system |
01/15/2008 | US7319824 Optical signal receiver, and method for controlling identification point for binarization processing performed thereby |
01/15/2008 | US7319823 Modulation scheme and transmission system for NRZ signals with left and right side filtering |
01/15/2008 | US7319822 System and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication |
01/15/2008 | US7319821 Chromatic dispersion generating apparatus |
01/15/2008 | US7319820 Method of manufacturing optical communication system |
01/15/2008 | US7319819 Suppression of four-wave mixing in ultra dense WDM optical communication systems through optical fibre dispersion map design |
01/15/2008 | US7319817 System for transparent node for WDM shared “virtual ring” networks |
01/15/2008 | US7319816 Detection of disconnection in an optical transmission line |
01/15/2008 | US7319801 Optical transmission system and dispersion compensation method for optical transmission system as well as simulation equipments |
01/15/2008 | CA2481910C Polarization mitigation technique |
01/10/2008 | WO2008005958A2 Communication system for video and bidirectional data transmission between a cable head-end and a plurality of subscribers using a smart multitap |
01/10/2008 | WO2008004987A1 Method, device and computer program for classifying a received signal |
01/10/2008 | WO2008004309A1 Transmitter apparatus, receiver apparatus, transmitting method and receiving method |
01/10/2008 | WO2008003528A1 Method and apparatus for remote communication using the interpretation of thermoluminescence or photoluminescence signals |
01/10/2008 | WO2008003267A1 An optical burst switching network based burst packet transmitting system and the method thereof |
01/10/2008 | WO2008003194A1 An optical signal source device and control method for realizing adjustable optical signal-to-noise ratio |
01/10/2008 | WO2008003187A1 Unlocking device for opto-electronic module |
01/10/2008 | WO2008003186A1 Bail type unlocking device for opto-electronic module |
01/10/2008 | WO2007119160A3 Off-axis rotary joint |
01/10/2008 | WO2007002815A3 Gigabit ethernet longwave optical transceiver module having amplified bias current |
01/10/2008 | US20080010512 Format Converter with Smart Multitap |
01/10/2008 | US20080008479 Method and arrangement for detecting light signals |
01/10/2008 | US20080008478 Transmitting device for optical signals |
01/10/2008 | US20080008476 Optical transmitting/receiving apparatus and optical transmitting/receiving method |
01/10/2008 | US20080008473 WDM-PON system with optical wavelength alignment function |
01/10/2008 | US20080008472 Distribution optical elements and compound collecting lenses for broadcast optical interconnect |