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)
11/2008
11/04/2008US7447424 Optical communication systems and methods of operating such optical communication systems
11/04/2008US7447398 Optical crossconnect apparatus
11/04/2008US7447386 Cascaded modulator system and method for QKD
11/04/2008US7446934 Raman, pump power control for gain flattening
11/04/2008CA2238151C Optical device for an optical network unit and manufacturing method therefor
10/2008
10/30/2008WO2008130979A1 Apparatus and method for adaptive adjustment and performance monitoring of avalanche photo-diode optical receiver and laser transmitter for fiber link long haul applications
10/30/2008WO2008130682A1 Systems and methods for tethering underwater vehicles
10/30/2008WO2008130674A1 Method and apparatus for dispersion mitigation in optical links
10/30/2008WO2008130347A1 Infra-red (ir) decoding circuit
10/30/2008WO2008129778A1 Burst mode rare earth-doped fiber amplifier
10/30/2008WO2008129743A1 Optical communication system, optical communication apparatus, and optical communication method
10/30/2008WO2008129742A1 Visible light transmitter, visible light receiver, visible light communication system, and visible light communication method
10/30/2008WO2008129253A2 Dispersion compensation
10/30/2008WO2008128478A1 Method for measuring the length of optical fiber, optical line terminal and optical network system
10/30/2008WO2008128462A1 A fault detecting method, system and apparatus for optical distributed network
10/30/2008WO2008128359A1 Optical fibre amplifier
10/30/2008WO2008078309A3 Optical signal processing
10/30/2008WO2008067957A3 ARRANGEMENT FOR THE ELECTRO-OPTICAL CONTROL AND FAST MODULATION OF THz TRANSMITTERS AND THz MEASURING SYSTEMS
10/30/2008WO2008060690A3 Method and device for controlling a remote vehicle
10/30/2008US20080267638 Optical receiver
10/30/2008US20080267637 Method & Apparatus for Demodulating an Optical Differential Phase-Shift Keying Signal
10/30/2008US20080267636 Data transmission unit for high bit-rate signals, especially high bit-rate optical data signals greater than 1 gbit/s
10/30/2008US20080267634 9b10b Code for Passive Optical Networks
10/30/2008US20080267633 Split equalization function for optical and electrical modules
10/30/2008US20080267632 Device for Optically Signaling an Incoming Call
10/30/2008US20080267629 Optical ring network architecture
10/30/2008US20080267628 Passive Optical Network System Based on a Wavelength Protection and Protecting Backup Method Thereof
10/30/2008US20080267623 Optical communication management systems
10/30/2008US20080267622 Efficient and simple bit error rate calculation on optical transport layer
10/30/2008US20080266666 Optical Device for the Collection of Optical Signals
10/30/2008US20080266649 Devices and method for Raman amplification and dispersion compensation
10/30/2008US20080266648 Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
10/30/2008US20080266090 Cabled and cableless interface method for connecting units within a rack
10/30/2008US20080265142 Dynamic laser power control for gas species monitoring
10/30/2008US20080265132 Light source error detection apparatus and method
10/30/2008US20080265087 Power and imaging system for an airship
10/30/2008DE102007019763A1 Optische Pulscode-Modulation zur Signalübertragung, insbesondere in stark elektromagnetisch gestörter Umgebung Optical pulse code modulation for signal transmission, especially in strong electromagnetic noise environment
10/30/2008DE102007019031A1 Optoelectronic device, has optoelectronic module fastened to module carrier e.g. molded interconnect device, and under-filling inserted into region between optoelectronic module and carrier, and forming lens
10/30/2008DE102007018354A1 Vorrichtung und Verfahren zur Einkopplung von Licht in eine Faser Device and method for coupling light into a fiber
10/30/2008CA2683951A1 Optical fibre amplifier
10/29/2008EP1986463A2 Improvements in an SDH-network provided with a shared protection system
10/29/2008EP1986361A1 Optical communication device for a transparent optical network
10/29/2008EP1986360A1 Optical signal processing
10/29/2008EP1986355A1 Method for maintaining the compatibility of legacy receivers, optical distributing network structure and parts thereof including a method for using such a part
10/29/2008EP1986354A1 DPSK Optical Receiver
10/29/2008EP1986353A1 Optical transmitter with bias control of the modulator
10/29/2008EP1986352A2 Optical receiver
10/29/2008EP1986351A1 Optical network, monitoring unit and monitoring method
10/29/2008EP1986350A1 Monitoring unit, optical network, and operating method for the optical network
10/29/2008EP1985043A1 Bidirectional, full-duplex, one-wire communications link for use in fiber optic transceivers
10/29/2008EP1984990A2 Managing gain tilt in an optically amplified transmission system
10/29/2008EP1832019B1 Reduced loss ultra-fast semiconductor modulator and switch
10/29/2008EP1627483B1 A method for conveying management information in wdm systems
10/29/2008EP1540858B1 Method for the transmission of polarisation multiplexed optical signals
10/29/2008EP1384283B1 Hybrid fibre/coaxial system with reverse path optical combining using an optical commutator
10/29/2008CN201142686Y Serial port fiber-optical modulator-demodulator unit
10/29/2008CN201142051Y Association of computer keyboard and induction type wireless mouse
10/29/2008CN201141923Y Micro-nano optical fiber array coherent light beam synthesizing device
10/29/2008CN101296389A Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device
10/29/2008CN101296051A Multilevel light time-division multiplexer with three as base number
10/29/2008CN101296042A 光接收器 Optical receiver
10/29/2008CN101296041A Optical fiber transmission repeater and largely dynamic optical receiving-transmitting module
10/29/2008CN101296040A Optical fiber link monitoring method and device of passive optical fiber network
10/29/2008CN101296039A Optical fiber link monitoring system and method for passive optical fiber network
10/29/2008CN101296038A Optical network, monitoring unit and monitoring method
10/29/2008CN101296037A Apparatus and method for light-operated controlling light delay line based on silicon based micro-ring
10/29/2008CN101296035A Monitoring system, optical transmitting/receiving device and monitoring level setting method
10/29/2008CN101296034A Method and apparatus for transmission of monitoring information, passive optical network system
10/29/2008CN101295854A Optoelectronic element encapsulation structure with temperature compensation
10/29/2008CN101295430A Optical fiber communication system capable of monitoring multiple mining conveyor belts
10/29/2008CN100429880C Wavelength division multiplex optical telecommunications network
10/29/2008CN100429879C Regulating radiation component power in wavelength division multiplexed optical communication systems
10/29/2008CN100429847C Self-similar pulsed erbium doped fiber laser in femtosecond
10/29/2008CN100429846C Self-similar pulsed fiber laser in femtosecond
10/29/2008CN100429682C Method and system for reducing power consumption of IrDA enabled handsets
10/29/2008CN100429543C Multiple order pmd compensator for optical fiber transmission system
10/29/2008CN100429539C Method for making optical fibre with low E-waveband and L-waveband loss wave peak
10/28/2008US7444446 Optical DVI cable, optical signal transmission equipment and optical signal transmission system which have the cable, and method of transmitting optical signal using the cable
10/28/2008US7444085 DQPSK optical receiver circuit
10/28/2008US7444084 Optical signal receiver, optical signal receiving equipment, and optical signal transmitting system
10/28/2008US7444083 Optical fiber transmission system with a plural emitting point transmitter
10/28/2008US7444082 Polarisation mode dispersion compensator using a mean square error technique
10/28/2008US7444081 Optical transport system
10/28/2008US7444080 IrDA/RC transmitter circuit having low energy consumption
10/28/2008US7444079 Optical power control monitor for multiple wavelength fiber-optic networks
10/28/2008US7444077 Optical transmission system, and pumping light source stopping device and method to be used in same system
10/28/2008US7443897 Method for distinguish failure modes in an APC circuit and an optical transmitter using the same
10/28/2008US7443874 Control system using a mini slot signal in a passive optical network
10/28/2008US7443794 Fibre channel credit extender and repeater
10/28/2008US7443784 Methods and systems for tone hopping
10/28/2008US7443576 Compensation for spectral power tilt from scattering
10/28/2008US7443574 Optical transmission system
10/28/2008US7443290 Communication system
10/28/2008CA2441247C Improvements in optical data receiver systems
10/23/2008WO2008127953A1 Synchronization and processing of secure information via optically transmitted data
10/23/2008WO2008127903A1 Communicating information using an existing light source of an electronic device
10/23/2008WO2008127873A1 High bit rate packet generation with high spectral efficiency in an optical network
10/23/2008WO2008126755A1 Optical transmission module and electronic device
10/23/2008WO2008126753A1 Optical transmission module
10/23/2008WO2008126703A1 Optical pulse shaper, optical pulse light source, super continuum light generator and super continuum light generating method
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