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)
08/2010
08/24/2010US7783935 Bit error rate reduction buffer
08/24/2010US7783207 Automatic threshold voltage adjustment circuit for dense wavelength division multiplexing or packet transport system and method of operating the same
08/24/2010US7783206 System and method for multi-rate, high-sensitivity clock and data recovery with adjustable decision threshold, RF input, and optical-to-electrical conversion
08/24/2010US7783205 Learning infrared amplifier for remote control devices
08/24/2010US7783203 System and method for controlling a difference in optical phase and an optical signal transmitter
08/24/2010US7783202 All-optical methods and systems
08/24/2010US7783201 Optical repeater device and optical transmission system
08/24/2010US7783200 Method and apparatus for constant bit rate data transmission in an optical burst switching network
08/24/2010US7783199 Frequency selective MMW source
08/24/2010US7783195 Format converter with smart multitap with digital forward and reverse
08/24/2010US7783193 Noise tone avoidance in optical networks
08/24/2010US7783131 Method of generating positioning coefficients for strip-based satellite image
08/24/2010US7783042 Communication system and synchronization method thereof
08/24/2010US7782527 Multi-stage optical amplifier having photonic-crystal-rod waveguides and non-photonic-crystal optical fiber interconnects and associated method
08/24/2010US7782336 System and method for communication among embedded devices using visual images
08/24/2010US7781720 Direct attach optical receiver module and method of testing
08/19/2010WO2010093794A1 Reconfigurable multi-zoned fiber optic network architecture having fiber optic devices
08/19/2010WO2010093195A2 Low-noise optical signal transmitter with low-noise multi-wavelength light source, broadcast signal transmitter using low-noise multi-wavelength light source, and optical network with the same
08/19/2010WO2010092973A1 Electronic device, communication system, display control method, communication region setting method, data updating method, and program
08/19/2010WO2010092667A1 Parent station device and grant allocation method
08/19/2010WO2010092666A1 High-speed optical signal control unit, parent station device, and grant allocation method
08/19/2010WO2010091727A1 System and method for administration of dispersion compensation modules
08/19/2010WO2010091604A1 Method and device for implementing mapping and de-mapping of client signal
08/19/2010WO2010091556A1 Method for burst transmission on a passive optical network, method and device for receiver resetting
08/19/2010WO2010091551A1 Method for implementing reusing audio connector interface and terminal device
08/19/2010WO2010074782A3 Optical communications in amplified reciprocal networks
08/19/2010WO2010065526A3 Complex optical modulation for real time communication
08/19/2010US20100209121 Signal processing device and optical receiving device
08/19/2010US20100209120 Optoelectronic transmission system and method
08/19/2010US20100209119 Apparatus for controlling lighting equipment for lighting communication
08/19/2010US20100209118 Apparatus for transmitting and receiving a signal in a visible light communication system
08/19/2010US20100209117 Optical communication using shared optical pumps
08/19/2010US20100209116 Optical transmission system, optical end terminal equipment, and optical repeater equipment
08/19/2010US20100209115 Frequency-Domain Equalization of the Fiber Optic Channel
08/19/2010US20100209114 Method and System for Single Laser Bidirectional Links
08/19/2010US20100209113 Light transmitting and receiving module, and method for managing the same, light transmitting and receiving apparatus, and wavelength-multiplexing light transmitting and receiving apparatus
08/19/2010US20100209112 Pluggable optical transceiver module set
08/19/2010US20100209110 Submarine optical repeater
08/19/2010US20100209106 Optical ring network system
08/19/2010US20100209105 Visible light communication method and system
08/19/2010US20100209102 Encoding fibre channel over ethernet transport
08/19/2010US20100209100 Optical receiver
08/19/2010US20100209099 Network Restoration Under Link or Node Failure Using Preconfigured Virtual Cycles
08/19/2010US20100209060 Optical pulse reshaping device, optical pulse light source, super-continuum light generator and method for super-continuum light generation
08/19/2010US20100208745 Operations method in an ethernet passive optical network that includes a network unit with multiple entities
08/19/2010US20100208335 Semiconductor optical amplifier device
08/19/2010US20100208246 Method and arrangement for measuring a signal power
08/19/2010DE102009000988A1 Verfahren und Anordnung zur Messung einer Signalleistung Method and apparatus for measuring a signal power
08/19/2010CA2751027A1 Reconfigurable multi-zoned fiber optic network architecture having fiber optic devices
08/19/2010CA2746011A1 Method and device for mapping and demapping a client signal
08/18/2010EP2219307A1 Apparatus for transmitting and receiving a signal in a visible light communication system
08/18/2010EP2219306A1 Photofield transmitter and photofield transmission system
08/18/2010EP2219305A1 Infrared transmitter
08/18/2010EP2219229A1 Photoelectric conversion module
08/18/2010EP2219018A1 Method for monotoring an optical data line, and optical transmission module therefor
08/18/2010EP2218196A1 Cascade sideband generation with sbs dispersion control of signal propagation
08/18/2010CN201556080U Communication system used for hot continuous rolling
08/18/2010CN1988418B Method for automatic scaling light module
08/18/2010CN1980098B Wave-division multi-plexing light accessing system and data receiving-transmitting method
08/18/2010CN1946007B Device and its method for mixing and converging data service and SDH service
08/18/2010CN1933370B Composite infrared transmission system
08/18/2010CN1823547B Method and apparatus for transmission control in an Ethernet passive optical network
08/18/2010CN1801670B Backup method and apparatus for optical communication chain circuit
08/18/2010CN1794613B Passive optical network monitoring method and passive optical network comprising central station and optical network unit
08/18/2010CN1728617B Method for increasing utilization ratio of cross-interaction matrix of time division
08/18/2010CN101809900A Dynamic signal equalization in optical transmission systems
08/18/2010CN101809899A Improved fiber optic GPS link
08/18/2010CN101808257A Method and device for optimizing dynamic transmission performance in wavelength switched optical network
08/18/2010CN101808255A Access terminal OLT device with integration of EPON, WiMAX and WiFi and access method
08/18/2010CN101808253A Method for improving monitoring ability in Ethernet passive optical network
08/18/2010CN101808063A Method and device for controlling phase delay bias point of modulator
08/18/2010CN101807958A On-line upgrading capacity expansion power adjusting method of wavelength division multiplexing optical transmission system
08/18/2010CN101807957A Ultra-long span light transmission system
08/18/2010CN101807956A Subway train-ground communication system applying ROF and fiber grating sensing
08/18/2010CN101807955A I-Q modulation transmitter and method for controlling phase biasing between I-Q paths
08/18/2010CN101807950A Method for realizing loop self-healing function of repeater system
08/18/2010CN101556377B Optical generator of Ultra wideband Gauss monocyclic pulse
08/18/2010CN101252396B Adjustable multi-order polarization module color dispersion emulator
08/18/2010CN101232404B Remote network management method of EPON access system
08/18/2010CN101174909B Control method, equipment and system for passive optical network multicast access
08/18/2010CN101110652B Apparatus and method for supporting automatic optical fiber connecting configuration of optical transmission equipment
08/18/2010CN101068131B Level detection circuit device for optical fiber communication limiting amplifier
08/18/2010CN101001117B Bandwidth dynamic distribution method of congestion type Ethernet passive optical network local terminal equipment
08/17/2010US7778554 System and method for transmitting data on return path of a cable television system
08/17/2010US7778553 Optical transmitter
08/17/2010US7778552 Directly modulated laser with integrated optical filter
08/17/2010US7778551 Temperature compensation circuits
08/17/2010US7778548 Optical communication system, lighting equipment and terminal equipment used therein
08/17/2010US7778547 Code grouping for optical networks
08/17/2010US7778545 Methods and systems for bandwidths doubling in an ethernet passive optical network
08/17/2010US7778544 Method and device for monitoring an optical transmission line, especially an optical transmission line to an end subscriber of a transmission network
08/17/2010US7778543 Passive optical network rogue optical network unit diagnostics
08/17/2010US7778503 Electronic device having optical data connection of movable housing parts
08/17/2010US7778496 Method for processing dump data packets in low earth orbital satellite
08/17/2010US7778315 Measuring instantaneous signal dependent nonlinear distortion in response to varying frequency sinusoidal test signal
08/17/2010US7778286 Methods and systems for DSP-based receivers
08/17/2010US7777940 Extreme chirped pulse amplification and phase control
08/17/2010US7777643 Optical communications with a bottom hole assembly
08/17/2010US7777177 System for responding to a superposition of quantum states
08/17/2010US7775113 Sound sources separation and monitoring using directional coherent electromagnetic waves