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)
06/2007
06/20/2007CN1984006A Optical parallel transmission in usage of grid
06/20/2007CN1983971A Method and system for acquiring connection between network elements
06/20/2007CN1983960A Method for returning service route
06/20/2007CN1983923A Triple churning
06/20/2007CN1983881A Passive optical network media access controller assisted clock recovery
06/20/2007CN1983879A 光接收器保护电路 Optical receiver protection circuit
06/20/2007CN1983878A Adaptive preamble adjustment for burst-mode optical systems
06/20/2007CN1983877A Method and device for dynamically distributing bandwith based on Ethernet passive light network up-link
06/20/2007CN1983876A An infrared-ray receiver
06/20/2007CN1983875A Optical modulating circuit and optical modulating method
06/20/2007CN1982899A Peak inspector
06/20/2007CN1322690C A method of polarization mode dispersion compensation
06/20/2007CN1322689C Integration of a fiber optic fixed access and a fibre optic radio access network
06/20/2007CN1322688C Space laser communication motion double-terminal long distance transmission analog device
06/20/2007CN1322631C Communications system
06/20/2007CN1322357C Conversion between optical and radio frequency signals
06/20/2007CA2530907A1 System and method for re-using wavelengths in an optical network
06/19/2007US7233962 Optical error simulation system
06/19/2007US7233745 Field device configured for wireless data communication
06/19/2007US7233744 Power feed arrangement using aggregate segments
06/19/2007US7233743 Lightpath segmentation system and method in a generalized multi-protocol label switching network
06/19/2007US7233742 Optical communication system, method for supplying pump light, and distributed Raman amplifying apparatus
06/19/2007US7233741 Optical exchange for wavelength division multiplexed (WDM) network, and optical exchange method for WDM network
06/19/2007US7233740 Self-characterizing and self-programming optical transmitter
06/19/2007US7233739 Optical bit stream reader system
06/19/2007US7233738 Protection switching architecture and method of use
06/19/2007US7233727 Optical fiber and optical device using the same
06/19/2007US7233712 Temperature-controlled flexible optical circuit for use in an erbium-doped fiber amplifier and method for fabricating the flexible optical circuit
06/19/2007US7233432 Pre-emphasized optical communication
06/19/2007US7233431 Semiconductor optical amplifier based Raman pump
06/19/2007US7233430 Multi-channel DPSK receiver
06/19/2007US7233399 Feedback control of an interferometer
06/19/2007CA2313118C Smart recognition apparatus and method
06/14/2007WO2007067823A2 A balanced optical-radiofrequency phase detector
06/14/2007WO2007067631A2 Skew correction system eliminating phase ambiguity by using reference multiplication
06/14/2007WO2007067394A1 System and method for modulating a semiconductor laser
06/14/2007WO2007066978A1 Transceiver and method for high-speed auto-compensating quantum cryptography
06/14/2007WO2007066960A1 Digital automatic gain control apparatus and method in burst mode optical receiver
06/14/2007WO2007066757A1 Light relay device and light transmission system
06/14/2007WO2007066756A1 Optical signal transmission device and optical signal transmission system
06/14/2007WO2007065368A1 A optical fiber line failure processing method, apparatus, and system
06/14/2007WO2007065347A1 An optical transport node construction device and service dispatch method
06/14/2007WO2007065328A1 A rf optical transmit device and a control method
06/14/2007WO2007036108A8 An automatic recovery detection method, automatic recovery method and apparatus for optical communication system
06/14/2007WO2006083389A3 Optical transmission system having optimized filter wavelength offsets
06/14/2007WO2005091865A3 Digital predistortion system and method for high efficiency trasmitters
06/14/2007US20070136693 System and method for retrieving information while commanding operation of an appliance
06/14/2007US20070134643 Answer totalizer/anayzer
06/14/2007US20070134006 Method for adjusting bias in optical transmitter with external modulator
06/14/2007US20070134005 Apparatus and method for generating return-to-zero signal
06/14/2007US20070134004 Optical modulating circuit and optical modulating method
06/14/2007US20070134003 Optical transceiver case
06/14/2007US20070134001 Polarization division multiplexed optical transmission system
06/14/2007US20070134000 Polarization division multiplexed optical transmission system
06/14/2007US20070133999 Low emission signal generator and distribution system
06/14/2007US20070133998 Network with sourceless clients
06/14/2007US20070133997 Effective control algorithm for optical polarization mode dispersion compensators
06/14/2007US20070133996 Transmitter
06/14/2007US20070133995 Remote access unit and radio-over-fiber network using same
06/14/2007US20070133994 Automatic frequency hopping remote controller
06/14/2007US20070133992 Optical add/drop multiplexer, control method therefor and control program therefor
06/14/2007US20070133986 Physical coding sublayer apparatus and Ethernet layer architecture for network-based tunable wavelength passive optical network system
06/14/2007US20070133984 Automated acquisition of spectral data and image data
06/14/2007US20070133799 Detector autocalibration in qkd systems
06/14/2007US20070133798 Quantum cryptography on a multi-drop optical network
06/14/2007US20070133199 Method and apparatus for a pulsed l.e.d. illumination
06/14/2007US20070133084 Apparatus and method for all-optical control of gain and gain flattening on an optical amplifier
06/14/2007US20070132592 Electromagnetic tags
06/14/2007US20070131847 Optical detector
06/14/2007DE102004034347B4 Verfahren zum Übermitteln von Informationen zwischen in Sichtweite befindlichen Personen A method for communicating information between people located within sight
06/14/2007DE102004014448B4 Vorwärtsentzerrer und Verfahren zum analogen Entzerren eines Datensignals Forward equalizer and method for analog equalizing a data signal
06/14/2007DE10143731B4 Optisches Transceiver-Modul An optical transceiver module
06/13/2007EP1796297A1 Optical DQPSK receiver apparatus
06/13/2007EP1796296A1 The quick protection method in optical ring network
06/13/2007EP1796295A1 Method for detection and location of faults on an optical transmission path and optical transmission system
06/13/2007EP1794906A1 Mechanism to select bandwidth in an optical receiver circuit
06/13/2007EP1794905A1 Distributed backscattering
06/13/2007EP1794904A1 Identifying or locating waveguides
06/13/2007EP1794903A2 Optical cables for consumer electronics
06/13/2007EP1609256B1 Optical device, especially for the suppression of a rayleigh double backscattered noise and system comprising said device
06/13/2007EP1576747B1 Optical transmission system using an optical phase conjugation device
06/13/2007EP1485736B1 Maintaining desirable performance of optical emitters at extreme temperatures
06/13/2007CN2911713Y Regulatable optical power splitter
06/13/2007CN1981463A Business connection set-up and business recovering protection method in optical network
06/13/2007CN1981436A Pulse-modulated signal demodulating circuit, and light receiving circuit and electric device having the demodulating circuit
06/13/2007CN1981412A Light pulse amplification in long optical fibers
06/13/2007CN1980202A Receiver and infrared wireless-earphone
06/13/2007CN1980098A Wave-division multi-plexing light accessing system and data receiving-transmitting method
06/13/2007CN1980097A Radio-frequency light transmission apparatus and control method
06/13/2007CN1980096A Fault sensor for a laser driver circuit
06/13/2007CN1980095A System and method for realizing network management path integrated in radio-frequency light transmission module
06/13/2007CN1980094A Detecting device for optical-fiber circuit breakage of passive light network PON system
06/13/2007CN1979240A Narrow-band heat-light adjustable Farbry-Boro filter with flat-top responding
06/13/2007CN1979234A Fibre compensating accumulated chromatic dispersion and dispersion slope
06/12/2007US7231655 Technique for reverse transport of data in a hybrid fiber coax cable system
06/12/2007US7231152 Infrared remote control receiver (IRCR) having semiconductor signal processing device therein
06/12/2007US7231151 Cosite interference rejection system using an optical approach
06/12/2007US7231149 Bidirectional optical add-drop multiplexer
06/12/2007US7231146 Optical communication system
06/12/2007US7231145 Processing of optical performance data in an optical wavelength division multiplexed communication system
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