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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07/07/2011 | US20110164872 Fast convergence on child link failures and weighted load balancing of aggregate ethernet/sonet bundles |
07/07/2011 | US20110164658 Method for spreading the spectrum of a narrowband signal |
07/07/2011 | US20110164309 Gain and signal level adjustments of cascaded optical amplifiers |
07/07/2011 | US20110164305 Optical i-q-modulator |
07/07/2011 | US20110164300 Method and device for bias control of a laser modulator |
07/07/2011 | US20110163891 Methods and systems for downhole telemetry |
07/07/2011 | US20110163844 Identification element having an optical transponder |
07/07/2011 | DE112009002072T5 Lichtfaserkabelkonnektor mit integrierter Kabelaufteilung Optical fiber cable connector with integrated cable division |
07/06/2011 | EP2341643A1 Method and apparatus for filter locking |
07/06/2011 | EP2341642A1 Method for transmitting data on an optical channel |
07/06/2011 | EP2341387A1 Non-contact data transfer from gimbal systems |
07/06/2011 | EP1762029B1 Wavelength division multiplex (wdm) optical demultiplexer |
07/06/2011 | CN201893823U 激光电话 Laser Phone |
07/06/2011 | CN201893791U Time division multiplexing optical transceiver |
07/06/2011 | CN201893790U Photoelectric adapter |
07/06/2011 | CN201893789U Optical cable routing tester |
07/06/2011 | CN201893788U Power supply device for active optical network unit |
07/06/2011 | CN1894902B Audio and/or video system for a motor vehicle |
07/06/2011 | CN1815931B Optical receiver apparatus and corresponding method |
07/06/2011 | CN1802880B Light output modulation for data transmission |
07/06/2011 | CN102119350A Wavelength division multiplexing |
07/06/2011 | CN102118660A Method and device for accessing optical module |
07/06/2011 | CN102118659A Method and system for saving energy in passive optical network |
07/06/2011 | CN102118658A Method and device for port identification of light splitter |
07/06/2011 | CN102118258A Protective method and protective system for abnormal situation in upgrading of gigabit passive optical network terminal |
07/06/2011 | CN102118194A Single fiber bi-directional optical element and assembly method thereof |
07/06/2011 | CN102118193A Passive optical network fault diagnosis system based on optical line terminal module |
07/06/2011 | CN102116906A Optic fiber coupling connector and optic transmission device |
07/06/2011 | CN102113747A Plastic optical fiber tamper-proof detection-based electronic wrist strap |
07/06/2011 | CN102113746A Electronic wrist band based on optical fiber anti-disassembly and temperature measurement |
07/06/2011 | CN101479896B Variable gain optical amplifiers |
07/06/2011 | CN101471837B Optical channel data cell sharing protection ring, signal transmission method and network node |
07/06/2011 | CN101351056B Method and apparatus for transmitting fault information |
07/06/2011 | CN101330326B Digital circuit for implementing audio data optical transmission using CPLD and method thereof |
07/06/2011 | CN101317349B Passive optical network maintenance method, optical network unit and optical line terminal |
07/06/2011 | CN101286803B Optimizing method for dual and locked mode optical fiber wireless wave division multiplexing system |
07/06/2011 | CN101188456B A performance tracking and testing method for space optical communication system |
07/06/2011 | CN101013924B Controlling optical power and extincation ratio of a semiconductor laser |
07/05/2011 | US7974543 Optical receiver and a free-space optical communications using the same |
07/05/2011 | US7974542 OTDM-DPSK signal generator capable of detecting an optical carrier phase difference between optical pulses |
07/05/2011 | US7974541 High frequency signal optical transmission system and high frequency signal optical transmission method |
07/05/2011 | US7974539 Bi-directional optical module |
07/05/2011 | US7974538 Transaction for transceiver firmware download |
07/05/2011 | US7974537 Intelligent pluggable transceiver stick capable of diagnostic monitoring and optical network management |
07/05/2011 | US7974536 System and method for pre-configuring and authenticating data communication links |
07/05/2011 | US7974534 Wideband microwave and millimeter wave filters using photonic spectral filtering |
07/05/2011 | US7974533 Long reach optical network |
07/05/2011 | US7974532 System and method for bandwidth management in ethernet-based fiber optic TDMA networks |
07/05/2011 | US7974290 TDMA passive optical network OLT system for broadcast service |
07/05/2011 | US7974002 System and method for managing system margin |
07/05/2011 | US7973819 Method and apparatus for determining the position of a moving object, by using visible light communication |
06/30/2011 | WO2011079162A2 Communication via a multimode constellation |
06/30/2011 | WO2011078844A1 Circuit switched optical interconnection fabric |
06/30/2011 | WO2011078647A1 A remote control unit for controlling a plurality of devices and corresponding methods of using the remote control unit |
06/30/2011 | WO2011078609A2 Apparatus and method for controlling the lasing wavelength of a tunable laser, and wavelength division multiplexed passive optical network comprising same |
06/30/2011 | WO2011077948A1 Optical transmission system and optical transmission method |
06/30/2011 | WO2011077429A1 Technique for monitoring optical networks |
06/30/2011 | WO2011076671A1 Method and apparatus for preventing signal interference in a passive optical network |
06/30/2011 | WO2011076256A1 Method and device for data protection in an optical communication network |
06/30/2011 | WO2011075964A1 Temperature-compensation interferometer |
06/30/2011 | WO2011075901A1 Generic mapping procedure (gmp) mapping method, de-mapping method and device thereof |
06/30/2011 | WO2011075885A1 Device for optical network unit integration |
06/30/2011 | WO2011051446A3 Use of semiconductor optical amplifiers-based intensity modulator in signal transmission |
06/30/2011 | US20110158658 Optical Subchannel-Based Cyclical Filter Architecture |
06/30/2011 | US20110158657 Infrared receiver circuit |
06/30/2011 | US20110158656 High dynamic range apd optical receiver for analog applications |
06/30/2011 | US20110158655 Dispersion Measurement of Optical Fibres During Operation |
06/30/2011 | US20110158654 Differential quadrature phase shift keying system, method, and device |
06/30/2011 | US20110158653 Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction |
06/30/2011 | US20110158652 Portable infrared control liaison |
06/30/2011 | US20110158651 Method and apparatus for filtering locking |
06/30/2011 | US20110158643 Optical transmission module and wavelength control method of optical transmission module |
06/30/2011 | US20110158642 Management, Monitoring and Performance Optimization of Optical Networks |
06/30/2011 | US20110158641 Subchannel Photonic Routing, Switching and Protection with Simplified Upgrades of WDM Optical Networks |
06/30/2011 | US20110158639 Methods and apparatuses to support multiple fiber networking platforms |
06/30/2011 | US20110158638 Pon system and redundancy method |
06/30/2011 | US20110158574 Optical hybrid circuit, optical receiver, and optical receiving method |
06/29/2011 | EP2339771A2 Optical ring network with nodes and method |
06/29/2011 | EP2339770A1 Optical ring network with nodes and method |
06/29/2011 | EP2339762A1 Visible light communication transmitter and visible light communication system |
06/29/2011 | EP2338792A2 Galley control system of aircraft |
06/29/2011 | EP2338243A2 Communication network |
06/29/2011 | EP2338241A1 Method and apparatus for transmission of two modulated signals via an optical channel |
06/29/2011 | EP2161800B1 A method and system for controlling wavelengths of laser arrays |
06/29/2011 | CN201887790U Modern communication system for automatic meteorological observation site |
06/29/2011 | CN201887789U Integrated equipment for acquiring and transmitting Ethernet environment/power data |
06/29/2011 | CN201887788U Comprehensive monitoring system for communication circuit facility |
06/29/2011 | CN201887787U Photoelectric hybrid signaling voice acquisition gateway |
06/29/2011 | CN201887774U Dual gigabit Ethernet self-adaptive optical fiber transceiver |
06/29/2011 | CN201887773U SBS (stimulated Brillouin scattering) threshold expanding circuit of cable television 1550nm externally modulated optical transmitter |
06/29/2011 | CN201887772U SBS (stimulated Brillouin scattering) threshold continuously adjustable circuit in cable television 1550nm externally modulated optical transmitter |
06/29/2011 | CN201887771U High-resolution optical fiber analogy converter with bias circuit |
06/29/2011 | CN201887770U Optical fiber radio frequency delayer |
06/29/2011 | CN201887769U Short wave transmission system |
06/29/2011 | CN201887768U On-line monitoring optical differential channel protection device |
06/29/2011 | CN201887767U Optical fiber fault seeker with function of automatically matching measuring range with pulse width |
06/29/2011 | CN201886181U Optical fiber transceiver module releasing mechanism |
06/29/2011 | CN201885827U Dual-wavelength light-source self-correcting distributed optical-fiber Raman temperature sensor for optical-fiber Raman frequency shifter |
06/29/2011 | CN201885732U Distributed optical fiber Brillouin sensor integrating optical fiber Brillouin frequency shifter |
06/29/2011 | CN1980096B Fault sensor for a laser driver circuit |