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)
11/2012
11/08/2012US20120281990 Optical receiver configurable to accommodate a variety of modulation formats
11/08/2012US20120281989 Optical receiver
11/08/2012US20120281988 Optical Transmission System
11/08/2012US20120281987 Data Detection For Visible Light Communications Using Conventional Camera Sensor
11/08/2012US20120281986 Multi-frequency dual-use system
11/08/2012US20120281982 Optical Channel Monitor
11/08/2012US20120281981 Method and apparatus for detecting chromatic dispersion, and method and apparatus for compensating chromatic dispersion
11/08/2012US20120281980 Optical sensor networks and methods for fabricating the same
11/08/2012US20120281979 Optical network with light-path aggregation
11/08/2012US20120281978 Protection System, Method and Apparatus for Optical Network
11/08/2012US20120280844 Digital receiver and optical communication system that uses same
11/07/2012EP2521294A1 System and method for distributing digital signals over long-distance switched optical transport networks
11/07/2012EP2521293A1 Transmission method, reception method, transmitter apparatus, and receiver apparatus
11/07/2012EP2521290A1 Extender box and processing method for uplink and downlink light thereof
11/07/2012EP2521289A1 Optical receiver for multimode communications
11/07/2012EP2521288A1 System and method for monitoring unknown resources
11/07/2012EP2521287A1 Device and method for obtaining optical power of optical network unit (onu) in online manner
11/07/2012EP2519737A1 Laser ignition device for an internal combustion engine
11/07/2012CN202524393U Optical transmitter luminous power control circuit
11/07/2012CN202524392U Machinery board-enabled type passive circuit of intelligent optical distribution interface board
11/07/2012CN202524391U Gigabit Ethernet optical fiber transceiver
11/07/2012CN202524390U LED communication lighting device and motor vehicle light system based on same
11/07/2012CN102771071A System and method for distributing digital signals over long-distance switched optical transport networks
11/07/2012CN102771067A Method and apparatus for preventing signal interference in a passive optical network
11/07/2012CN102771066A Apparatus and method for controlling the lasing wavelength of a tunable laser, and wavelength division multiplexed passive optical network comprising same
11/07/2012CN102771065A Optical signal turn-off detection circuit and optical receiver
11/07/2012CN102769496A Device and method for generating octuple-frequency optical millimeter waves
11/07/2012CN102769493A Management method of FTTH (fiber to the home)-type ONU (optical network unit) between EML (element management level) and NML (network management level)
11/07/2012CN102769492A Mercury lamp array-based ultraviolet light emitting device and method
11/07/2012CN101917233B All-optical phase noise inhibition method for coherent detection
11/07/2012CN101552933B Optical network self-adapting route system for low/middle orbit double-layer satellite and calculating method of agent route
11/07/2012CN101385264B Receiver circuit, transmitter circuit and communication network
11/07/2012CN101087174B Passive optical network system and method of optical routing device and application optical routing device
11/07/2012CN101057426B Systems and methods for providing diagnostic information using EDC transceivers
11/06/2012USRE43782 Active matrix display device having wiring layers which are connected over multiple contact parts
11/06/2012US8306440 Polarization diversity receiver systems and methods with polarization mode dispersion mitigation
11/06/2012US8306438 Coherent optical receiver systems and methods
11/06/2012US8306437 Optical receiver
11/06/2012US8306436 Homodyne receiver for optical communications with post processing
11/06/2012US8306435 Reception of signals transmitted over a dispersive optical channel
11/06/2012US8306434 System and method for transmitting signals
11/06/2012US8306433 Optical modulation signal generating device and optical modulation signal generating method
11/06/2012US8306432 Optical regenerator and phase error detection unit for an optical regenerator, and method for optical regeneration
11/06/2012US8306431 Optical transmission system
11/06/2012US8306430 Dispersion compensating apparatus and dispersion compensating method
11/06/2012US8306429 Optical ultrasonic microphone
11/06/2012US8306428 Optoelectronic switch transmitter using millimeter wavelength
11/06/2012US8306427 WDM transmission apparatus, optical add-drop multiplexer and WDM transmission method
11/06/2012US8306426 Optical code division multiplexing communication system and method for correcting failure of the same
11/06/2012US8306424 Remodulating channel selectors for WDM optical communication systems
11/06/2012US8306423 Method and optical network component for signal processing in an optical network and communication system
11/06/2012US8306422 WDM PON protection scheme using a dual port arrayed waveguide grating (AWG)
11/06/2012US8306421 Passive optical avionics network including optical repeater
11/06/2012US8306419 Techniques for controlling a light source in a wavelength division multiplexed passive optical network
11/06/2012US8306418 Data pattern dependent distortion compensation in a coherent optical signal receiver
11/06/2012US8306417 Bidirectional multi-wavelength optical signal routing and amplification module
11/06/2012US8306375 Wavelength-tunable optical transmitter
11/06/2012US8306369 Optical hybrid circuit, optical receiver, and optical receiving method
11/06/2012US8306225 Quantum communication system
11/06/2012US8306052 High-capacity packet-switched ring network
11/06/2012US8305881 Method and system for maximizing wavelength reuse in optically protected WDM networks
11/01/2012WO2012148945A2 Method and apparatus for generation of coherent and frequency-lock optical subcarriers
11/01/2012WO2012148607A1 System and method of wireless optical communication
11/01/2012WO2012148558A1 Quadrature time skew detection for coherent optical signals
11/01/2012WO2012147889A1 Optical communication device, optical path switching device, and network
11/01/2012WO2012146249A1 Modular chip layout for active optical links
11/01/2012WO2012146078A1 Method and device for detecting optical time-domain detection signals
11/01/2012WO2012146077A1 Optical time-domain reflectometry signal detection method and device
11/01/2012WO2012146045A1 Laser, and method of manufacturing thereof, and passive optical network system
11/01/2012WO2012118567A3 Multiplexed pulse modulation using superposition
11/01/2012WO2012103085A3 Light powered communication systems and methods of using the same
11/01/2012WO2012011075A3 Optical backplane
11/01/2012US20120276844 Non-contact data transfer from moving systems
11/01/2012US20120275799 Electric energy storage system for a vehicle
11/01/2012US20120275798 Programmable optical interconnect for multi-node computer systems
11/01/2012US20120275797 Polarization scattering compensation device and polarization scattering compensation method
11/01/2012US20120275796 System and method for visible light communication
11/01/2012US20120275795 System and method of wireless optical communication
11/01/2012US20120275791 Method and apparatus for implementing pdm-bpsk modulation and qpsk modulation in compatible manner
11/01/2012US20120275790 Power Saving Method, System and Optical Network Unit in Passive Optical Network
11/01/2012US20120275785 Systems and methods for reconfiguration of a circuit switched ring to a packet switched ring
11/01/2012US20120275784 System and Method for Optical Layer Management in Optical Modules and Remote Control of Optical Modules
11/01/2012US20120275783 Optical packet switching system
11/01/2012US20120275782 Method and apparatus for preventing signal interference in a passive optical network
11/01/2012US20120275780 Receivers Based on Closed-Form Parametric Estimates of the Probability Density Function for the Received Signal
11/01/2012US20120275779 Method, System and Device for Single-Fiber Bidirectional Ring Network Protection
10/2012
10/31/2012EP2518916A1 Method for optically transferring reference data
10/31/2012EP2518915A2 Apparatus and method for controlling the lasing wavelength of a tunable laser, and wavelength division multiplexed passive optical network comprising same
10/31/2012EP2518914A1 Coherent receiver device and chromatic dispersion compensation method
10/31/2012EP2518912A1 Optical line termination node and passive optical network
10/31/2012EP2518911A1 Optical network system, optical line terminal, optical network unit and optical distribution network apparatus
10/31/2012EP2517390A1 Method and device for data protection in an optical communication network
10/31/2012EP2517383A1 Method and apparatus for preventing signal interference in a passive optical network
10/31/2012EP2517382A2 Communication via a multimode constellation
10/31/2012EP2517058A1 Circuit switched optical interconnection fabric
10/31/2012CN202513946U Optical fiber exchanger
10/31/2012CN202513934U Raman fiber amplifier with large gain control range
10/31/2012CN202513933U Planar-optical-waveguide-type differential quadrature phase shift keying (QPSK) demodulator
10/31/2012CN202513932U ONU (optical network unit) end light emission submodule of PON (passive optical network)
10/31/2012CN202513930U Multi-channel fiber data transmitting device
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