Patents
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)
06/2013
06/12/2013CN202998096U Optical switch
06/12/2013CN202995096U High power light emitting assembly used for plastic fiber transmission simulation signal
06/12/2013CN202995094U Easily packaged parallel transmission optical device
06/12/2013CN202995081U Highly integrated wavelength division multiplexing device
06/12/2013CN103155505A 16-QAM optical signal generation
06/12/2013CN103155459A Direct laser modulation
06/12/2013CN103155453A 信号传送装置 Signal transmitting means
06/12/2013CN103155452A Compact small form-factor pluggable transceiver
06/12/2013CN103155451A Multiple-input method and apparatus of free-space optical communication
06/12/2013CN103155450A Determining asymmetries in a communication network
06/12/2013CN103155449A Determination of a maximum transmission distance for heterogeneous types of optical fibre
06/12/2013CN103154691A Method for designing and selecting optical fiber for use with transmitter optical subassembly
06/12/2013CN103152843A Modular wireless communications platform
06/12/2013CN103152208A Web way-based passive optical network system and realizing method of the passive optical network system
06/12/2013CN103152153A Acoustic transmission system
06/12/2013CN103152105A Frequency-sweeping source based on single-sideband modulation and circulating frequency shifting
06/12/2013CN103152104A Infrared transmitting circuit, transmitting end of infrared remote control system and implementation method thereof
06/12/2013CN103152103A Optical module and adaptive regulation method for rate mode of clock and data recovery (CDR) chip of optical module
06/12/2013CN103152102A Full-duplex free space wireless optical communication terminal machine
06/12/2013CN103152101A Operational state information generation in an optical transceiver
06/12/2013CN103152100A Annular soliton realization method
06/12/2013CN103152099A Single-fiber bidirectional transmission system based on mode division multiplexing
06/12/2013CN103152098A Polarization interference-based in-band optical signal-to-noise ratio detection method and device
06/12/2013CN103152097A Long-distance polarization and phase-sensitive optical time domain reflectometer amplified by random laser
06/12/2013CN103152096A Automatic tester of optical splitter and testing method thereof
06/12/2013CN103152095A Life forecast method and life forecast device of optical module
06/12/2013CN103152094A Multilayer protection switching method and device in optical network
06/12/2013CN102394005B Optical fiber communication ring network based partial discharge measurement data transmission system and its control method
06/12/2013CN102064884B Long-distance distributed optical fiber positioning interference structure based on wavelength division multiplexing (WDM)
06/12/2013CN101984777B Passive optical network system, station equipment in passive optical network system, and a control method thereof
06/12/2013CN101977086B Photon type digital microwave frequency measuring method and device adopting phase-shift comb filtering array
06/12/2013CN101971528B Burst power measurements using averaged power measurement
06/12/2013CN101931468B Access system and method for transmitting Ethernet signal and mobile communication signal
06/12/2013CN101834699B Network coding realization method based on logical operation in optical multicast network
06/12/2013CN101783975B Method, device and system for measuring distance in communication network
06/12/2013CN101742365B Passive optical network (PON) wavelength assignment method, device and system
06/12/2013CN101577587B Optical receiving apparatus
06/12/2013CN101375193B Optical communication bus network for avionic equipment
06/11/2013US8463143 Amplifier with offset compensator and optical receiver implemented with the same
06/11/2013US8463142 Method, apparatus, and system for feedback control of coherent receiver
06/11/2013US8463141 Reconstruction and restoration of two polarization components of an optical signal field
06/11/2013US8463140 Reception device and reception method
06/11/2013US8463139 Transmitter disabling device
06/11/2013US8463138 Multi-value optical transmitter
06/11/2013US8463137 System and method for transmissions via RF over glass
06/11/2013US8463136 Burst mode optical repeater
06/11/2013US8463135 Relay apparatus, signal processing apparatus and optical communication system
06/11/2013US8463134 Apparatus and method for transmitting and receiving data using visible light communication
06/11/2013US8463133 Signal framing in a coherent optical receiver
06/11/2013US8463132 Integrated laser and photodetector chip for an optical subassembly
06/11/2013US8463131 Method and apparatus for conveying timing information
06/11/2013US8463130 Method and system for implementing a wireless network
06/11/2013US8463129 Optical transmission module
06/11/2013US8463128 Translation of raw formatted infrared codes
06/11/2013US8463126 Optically variable filter array apparatus
06/11/2013US8463125 Optically variable filter array apparatus
06/11/2013US8463124 Passive optical network with sub-octave transmission
06/11/2013US8463123 Optical switch and protocols for use therewith
06/11/2013US8463122 Quality of service in an optical network
06/11/2013US8463121 Ultra wide-range frequency offset estimation for digital coherent optical receivers
06/11/2013US8463120 Method, system and node device for realizing service protection in automatically switched optical network
06/11/2013US8462428 Method and device for providing and/or controlling an optical signal
06/06/2013WO2013082566A1 Self-seeded colorless burst-mode transmitter using reflective semiconductor optical amplifier and injection-locked fabry-perot laser
06/06/2013WO2013079904A1 Closed loop optical modulation amplitude control
06/06/2013WO2013079281A1 Optical mimo processing
06/06/2013WO2013079031A1 Sensitivity Improvement of Mach-Zehnder Modulator Bias Control
06/06/2013WO2013078679A1 Optical transceiver module, passive optical network system and apparatus
06/06/2013WO2013078656A1 Method and device for frame synchronization in optical fiber system
06/06/2013WO2013078655A1 Optical signal compensation device
06/06/2013US20130142522 Differential circuit compensated with self-heating effect of active device
06/06/2013US20130142521 Electro-Optical Single-Sideband Modulator
06/06/2013US20130142520 Anti-causal pre-emphasis for high speed optical transmission
06/06/2013US20130142518 Optical transmission module
06/06/2013US20130142515 Apparatus and Method for Registering a Coaxial Network Unit on an Optical Network
06/06/2013US20130142514 Apparatus and Method of Identifying a Transit Node in a Unified Optical-Coaxial Network
06/06/2013US20130142513 Apparatus and Method for Reducing Traffic on a Unified Optical and Coaxial Network
06/06/2013US20130142508 Configuring a path in an optical communications network
06/06/2013US20130142506 Closed loop optical modulation amplitude control
06/06/2013US20130140443 Optical amplifier
06/05/2013EP2600543A1 Method and optical line terminal for optical fiber fault diagnosis in passive optical network
06/05/2013EP2600542A1 Process method and apparatus for preventing alarm jitter
06/05/2013EP2600132A1 Optical bypass
06/05/2013EP2599244A1 Optical network element, process of manufacture and method for generating light beams
06/05/2013EP2599243A1 Phase noise compensation in coherent optical communications systems
06/05/2013EP2281354B1 Heterodyne receiver using differential temperature control of laser sources
06/05/2013CN202978983U Overhead line communication device
06/05/2013CN202978960U Two-way output optical receiver
06/05/2013CN202978959U Infrared receiver based on binary system serial counter
06/05/2013CN202978958U Light transmitter
06/05/2013CN202978957U Special optical transmitter for frequency-modulated broadcasting
06/05/2013CN202978956U Multi-split radio frequency optical module and radio frequency communication device
06/05/2013CN202978955U Ethernet passive optical network-optical network unit (EPON-ONU) based on two ports
06/05/2013CN202978954U Optical signal transceiver
06/05/2013CN202978953U Planar optical waveguide type single-fiber bidirectional four-port optical assembly and optical transceiver integrated module
06/05/2013CN202978952U Screwless SFP+ optical module
06/05/2013CN202978951U Compensation circuit used for increasing receiving dynamic range of optical burst receiver
06/05/2013CN202978950U Outdoor type two-way relay station
06/05/2013CN202978949U Device for controlling signal power
06/05/2013CN202978948U Dynamic polarization compensation device based on half wave plate rotation
06/05/2013CN202978947U Dispersion compensation module
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