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)
11/2011
11/16/2011CN102244544A Long distance light amplification device, passive optical network (PON), optical signal transmission method
11/16/2011CN102244543A Digital optical terminal with Base-mode Camera Link interface
11/16/2011CN102244542A System and method for measuring vibration amplitude of irradiating power of optical emitter
11/16/2011CN102244541A Detection method, system and device for P2MP (point to multi-point) optical network
11/16/2011CN102244540A Optical module and method for protecting optical layer
11/16/2011CN102244539A Method and system for detecting branch optical fibers, PON (passive optical network) and optical splitter
11/16/2011CN102244538A System and method for detecting sub-optical fibers, ODN (optical distribution network) and optical splitter
11/16/2011CN102243336A Dispersion compensation fiber
11/16/2011CN101815004B Equipment business configurate method of passive optical network
11/16/2011CN101795424B OVPN system, OVPN terminating apparatus, collective control apparatus, and optical communication network
11/16/2011CN101595411B Photonic-interconnect systems for reading data from memory cells and writing data to memory integrated circuits
11/16/2011CN101431372B Method and apparatus for acquiring optical power, and optical line terminal
11/16/2011CN101346912B Regulatable optical amplifier, and method for regulating an optical amplifier
11/16/2011CN101321021B Directly modulated optical differential phase keying modulator
11/16/2011CN101132233B Method for implementing electricity-saving mode on optical network unit of passive optical network
11/16/2011CN101068129B Method for realizing group broadcasting service in WDM-PON , system thereof and OLT
11/16/2011CN101009518B Processing method of the failure relevancy monitoring for serial connection at different levels
11/15/2011USRE42913 Optical detection system
11/15/2011US8060007 Adaptive crosspole technique
11/15/2011US8059973 Discrete bootstrapping in an optical receiver to prevent signal feedback
11/15/2011US8059972 Optical receiver and visible light communication system
11/15/2011US8059971 Optical reception device
11/15/2011US8059970 Control system for a polar optical transmitter
11/15/2011US8059969 Enhanced linearity RF photonic link
11/15/2011US8059968 Modulation device for generating optical signal with quadruple frequency and method thereof
11/15/2011US8059967 Optical pulse generator and optical pulse tester
11/15/2011US8059966 Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration method
11/15/2011US8059965 Polarization mode dispersion compensation
11/15/2011US8059963 Time division duplexing remote station having low-noise amplifier shared for uplink and downlink operations and wired relay method using the same
11/15/2011US8059961 Customer premises optical network unit and optical transmission system
11/15/2011US8059959 Loss-of-light detecting apparatus
11/15/2011US8059958 Measurement of polarization dependent loss in an optical transmission system
11/15/2011US8059335 Adjustable optical signal delay module and method thereof
11/15/2011US8059334 Optical fiber amplifier system and method
11/15/2011US8059112 Apparatus and method for broadcasting visible light information in visible light communication
11/15/2011US8059013 Communication apparatus
11/15/2011US8057109 Transceiver module with dual printed circuit boards
11/10/2011WO2011140534A2 Method and apparatus for multiplexing multiple sagnac interferometers with single input for source light
11/10/2011WO2011140502A1 Pilot symbol aided carrier phase estimation
11/10/2011WO2011139966A2 Sagnac interferometer with bundle-fiber coil
11/10/2011WO2011139939A1 Optical fiber-based distributed communications systems, and related components and methods
11/10/2011WO2011139937A1 Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (rf) communications services, and related components and methods
11/10/2011WO2011139845A2 Cross-talk reduction in a bidirectional optoelectronic device
11/10/2011WO2011139757A1 Reconfigurable optical add drop multiplexer node automated topology discovery systems and methods
11/10/2011WO2011139542A1 Bit error generation system for optical networks
11/10/2011WO2011139222A1 Methods and devices for modulating a signal
11/10/2011WO2011137846A1 Insulating anti-pressure tube body for submarine optical fiber cable device, submarine optical fiber cable device and manufacturing method thereof
11/10/2011WO2011137795A1 Method, device and system for reducing peak to average power ratio in optical orthogonal frequency division multiplexing system
11/10/2011WO2011137761A2 Passive optical splitter and passive optical network system
11/10/2011WO2011137653A1 Device and method for processing clock modulation modes
11/10/2011WO2011137645A1 Extender box and processing method for uplink and downlink light thereof
11/10/2011WO2011137636A1 Optical path protection device and method
11/10/2011WO2011106826A3 Method and system for non-linearity compensation in optical transmission systems
11/10/2011WO2011102647A3 Infrared transmission device
11/10/2011US20110277011 Video signal transmission apparatus, identification information acquisition method for video signal transmission system and computer readable medium storing identification information acquisition program for video signal transmission system
11/10/2011US20110274442 Pilot symbol aided carrier phase estimation
11/10/2011US20110274441 Methods and Devices for Modulating a Signal
11/10/2011US20110274440 Optical spectral filtering and dispersion compensation using semiconductor optical amplifiers
11/10/2011US20110274439 Communication system comprising a tunable laser
11/10/2011US20110274438 Optical engine for point-to-point communications
11/10/2011US20110274437 Radio frequency identification (rfid) in communication connections, including fiber optic components
11/10/2011US20110274436 Optical communication system
11/10/2011US20110274435 Multicore fiber transmission systems and methods
11/10/2011US20110274434 Technique for Simultaneously Transmitting Wide and Narrow Optical Beacon Signals
11/10/2011US20110274433 Modulation in an optical network
11/10/2011US20110274432 Amplification of Interleaved Optical Signals
11/10/2011US20110274430 Optical transmission system
11/10/2011US20110274429 Method and apparatus for phase shift keyed optical communications
11/10/2011US20110274428 Bus-based optical network system
11/10/2011US20110274426 Detecting method, apparatus, and system in an optical distribution network
11/10/2011US20110274425 Method for providing protection in an optical communication network against connection failures
11/10/2011DE102010020461A1 Verfahren und Vorrichtung zur Übertragung von Daten von einem LED-Lichtsignal an eine Empfangseinrichtung Method and apparatus for transmitting data from a LED light signal to a receiving device
11/10/2011CA2737810A1 Technique for simultaneously transmitting wide and narrow optical beacon signals
11/09/2011EP2385637A1 Methods and devices for modulating a signal
11/09/2011EP2385636A1 Amplification of interleaved optical signals
11/09/2011EP2384557A1 Unidirectional absolute optical attenuation measurement with otdr
11/09/2011EP2384556A1 Method to define shared risk link groups in optical transport systems
11/09/2011EP1653639B1 Signalling routing apparatus and method in optical network
11/09/2011CN202034988U Photoelectric transmit-receive device
11/09/2011CN202034987U Multi-service photoelectric integrated optical receiver module
11/09/2011CN202034986U Two-channel full-redundancy serial interface, optical tranceiver and system
11/09/2011CN202034985U Underground optical fiber emergency communication system for mine
11/09/2011CN202034984U All-optical any waveform generator based on fiber Bragg grating array
11/09/2011CN202034983U Multi-service SDH (Synchronous Digital Hierarchy) optical transmission apparatus with RPD (Remote Procedure Dall) function
11/09/2011CN202034982U Photo-detection circuit used for safety protection of chip
11/09/2011CN202034981U Hand-held multifunctional optical loss tester
11/09/2011CN202034980U Super-long infrared receiver module
11/09/2011CN202034968U Wireless infrared transmitter
11/09/2011CN202031788U Carbon brush photoelectric slip ring of wind power generating set
11/09/2011CN1753334B Method and apparatus for distortion control for optical transmitters
11/09/2011CN102239653A Optical component and method for data processing
11/09/2011CN102239652A Data transmission method,optical line terminal and system
11/09/2011CN102239651A Dynamic hitless resizing in optical transport networks
11/09/2011CN102238440A Long-distance box and method for processing uplink/downlink light thereof
11/09/2011CN102238437A Long-distance box and method thereof for processing ascending and descending lights
11/09/2011CN102238436A Method and device for processing data in optical transmission
11/09/2011CN102238127A Method for reducing peak to average power ratio based on coherent optical orthogonal frequency division multiplexing system
11/09/2011CN102238060A Routing method and apparatus thereof
11/09/2011CN102238019A Optical network unit (ONU) and method for reporting capacity thereof
11/09/2011CN102238005A Relaying method for remote secure quantum communication