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
11/09/2011CN102237999A Message processing method and message transmitter
11/09/2011CN102237946A Reconfigurable coder/decoder and optical code division multiple access (OCDMA) passive optical network (PON) based on same
11/09/2011CN102237932A Long-distance optical amplification device, passive optical network and optical signal transmission method
11/09/2011CN102237931A High-frequency broadband radio frequency signal optical fiber zooming system
11/09/2011CN102237930A Device and method for processing clock modulation format
11/09/2011CN102237929A Equipment switching method, device and system based on fiber communication network
11/09/2011CN102236232A Wave-surface differential interference space light demodulator
11/09/2011CN101666954B High-speed optical soliton transmission system under Raman amplification and computing method for soliton spectrum
11/09/2011CN101471732B Chromatic dispersion compensation method and planning device for netted network
11/09/2011CN101267256B 光传输装置及其控制方法 Optical transmission device and control method
11/09/2011CN101136698B Free space optical communication system between multiple mobile platforms
11/08/2011US8055141 Balanced optical signal processor
11/08/2011US8055140 Reducing cross-phase modulation using group delay
11/08/2011US8055138 Photosensor operating point
11/08/2011US8055137 Phase coded non-return-to-zero optical transmitter
11/08/2011US8055136 Data communications system
11/08/2011US8055134 Optical telecommunications network and method
11/08/2011US8055131 Route query method in ASON
11/08/2011US8055130 Optical transceiver amplifier
11/08/2011US8055129 Alien wavelength channel balancing and line amplifier optimization
11/08/2011US8055128 Methods and systems for optimal launch power computation in meshed optical networks
11/08/2011US8055127 Wavelength division multiplex optical ring network
11/08/2011US8054976 Quantum key distribution apparatus and method
11/08/2011US8054539 Optical system for reducing stimulated Brillouin scattering by controllably changing polarization direction of an optical signal
11/08/2011US8054538 Raman amplification apparatus and distributed raman amplification system as well as starting up method for distributed raman amplification system
11/08/2011US8054531 Micro-electro-mechanical systems and photonic interconnects employing the same
11/08/2011US8054524 Optical amplifier
11/08/2011US8054455 Optical amplifier provided with control function of pumping light, and optical transmission system using the same
11/08/2011US8053383 Light-amplifying glass
11/08/2011CA2578859C System and method for optical transmission
11/07/2011CA2737174A1 Amplification of interleaved optical signals
11/03/2011WO2011137100A1 Inter-device communications using visible light
11/03/2011WO2011134977A1 Method and arrangement for signal processing communication system
11/03/2011WO2011134562A1 System for producing a signal having an adjustable time position or phase position
11/03/2011WO2011134536A1 Passive optical networks
11/03/2011WO2011134304A1 Optical backplane interconnection system and communication device
11/03/2011WO2011134269A1 Long reach optical amplification device, passive optical network and optical signal transmission method
11/03/2011WO2011134237A1 Method for configuring optical network unit of ethernet passive optical network system, and device thereof
11/03/2011WO2011134213A1 Dual rate receiving device
11/03/2011WO2011134006A1 All-optical discrete fourier transform processor
11/03/2011WO2011056340A3 Detector for plastic optical fiber networks
11/03/2011US20110270960 Method and system for announcing traffic engineering parameters of composite transport groups
11/03/2011US20110270682 Solar panel wind turbine communication server network apparatus method and mechanism
11/03/2011US20110268459 Timing recovery in presence of optical impairments and optimization of equalization based on timing recovery moment strengths
11/03/2011US20110268458 Sending and receiving information
11/03/2011US20110268457 Method and apparatus for optical signaling
11/03/2011US20110268456 Optical transmission system, transmitter, receiver and method
11/03/2011US20110268455 Modular Safety Switching Device System With Optical Link
11/03/2011US20110268454 Ld driver with an improved falling edge of driving signal and optical transmitter providing the same
11/03/2011US20110268453 Optical transceiver built-in test (bit)
11/03/2011US20110268452 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
11/03/2011US20110268451 Circuit arrangement and method for transmitting tmds encoded signals
11/03/2011US20110268450 Cross-talk reduction in a bidirectional optoelectronic device
11/03/2011US20110268449 Sectorization in Distributed Antenna Systems, and Related Components and Methods
11/03/2011US20110268448 Methods and systems for implementing a universal set top box
11/03/2011US20110268446 Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods
11/03/2011US20110268441 Configurable point-to-point optical communications system between servers
11/03/2011US20110268439 Selecting an Optical Path for a New Connection with the Minimum Number of Optical Regenerators
11/03/2011US20110268438 Unidirectional absolute optical attenuation measurement with otdr
11/03/2011US20110268437 Bit error generation system for optical networks
11/03/2011US20110268435 Communication system, subscriber accommodating apparatus and communication method
11/03/2011DE102011075106A1 Ein schützender Sockel zur Verwendung mit einem parallelen optischen Sendeempfängermodul zum Schützen von Komponenten des Moduls vor durch die Luft übertragenem Material A protective base for use with a parallel optical transceiver module for protecting components of the module before transferred through the air Material
11/03/2011DE102010019134A1 Anordnung zum Erzeugen eines Signals mit einstellbarer Zeit- oder Phasenlage An arrangement for generating a signal having an adjustable time or phase position
11/03/2011DE102010018749A1 Method for wireless transmission of e.g. image information in form of progressively compressed data for transmitting images received by e.g. monitoring camera, involves transferring amount of data over transfer channels
11/02/2011EP2383949A1 Method and arrangement for signal processing in a communication system
11/02/2011EP2383911A1 Method of operating an optical data transmission system, optical data transmission system, optical transmitter, optical receiver, and administrative unit
11/02/2011EP2383910A1 Optical transmission system, transmitter, receiver, and method
11/02/2011EP2383909A1 System and method for bidirectional communication with LED lights
11/02/2011EP2383908A1 Detecting method, apparatus and system in optical distribution network
11/02/2011EP2383623A1 Modular safety switching device system with optical link
11/02/2011EP2382721A2 Optical transceiver ic
11/02/2011EP1964298B1 Method and device for channel-adapted signal transmission in optical networks
11/02/2011EP1878143B1 Passive optical test termination
11/02/2011EP1726109B1 Method and apparatus for free space optical communication using incoherent light
11/02/2011CN202026321U Integrated access device for three-wavelength optical fiber network terminal
11/02/2011CN202026307U Mixed communication system for power line patrol of unmanned aircraft
11/02/2011CN202026306U Photoelectric current monitoring circuit
11/02/2011CN202026305U Online monitoring device with warning function
11/02/2011CN202026156U Distribution network power supply center remote operation device
11/02/2011CN202026153U Remote operation control device for high-voltage box type transformer
11/02/2011CN202026152U Remote operation device for 10 to 20kV box type transformer low-voltage circuit breaker
11/02/2011CN202026151U Remote operation device for double-winding transformer of 110V converting station
11/02/2011CN202025799U Integrated white light LED capsulation applicable to visible light communication
11/02/2011CN202023591U Intrinsically-safe infrared transmitter for mining
11/02/2011CN102232204A Voltage generator, control circuit, vector synthesis type phase shifter and optical transceiver
11/02/2011CN102231864A Optical-codeword-label-based optical packet multicast transmission and receiving methods and devices
11/02/2011CN102231694A Light trail resource allocation system for light trail network
11/02/2011CN102231685A Test method, server and system
11/02/2011CN102231652A C form-factor pluggable (CFP) optical transceiver with interleaver
11/02/2011CN102231651A Low-power consumption 10G 40km SFP+ optical module of temperature-control type
11/02/2011CN102231650A 10G SFP+LR optical module
11/02/2011CN102231649A Device for realizing DQPSK (Differential Quadrature Reference Phase Shift Keying) demodulation
11/02/2011CN102231648A Single-carrier-and-multi-carrier-based hybrid transmission system
11/02/2011CN102231647A Fiber communication network service route configuration method used in electric power
11/02/2011CN102231646A Device and method for recognizing spectrum amplitude code mark through frequency sweeping coherent detection
11/02/2011CN102231645A Optical antenna for multipoint laser communication
11/02/2011CN102231644A Optical signal to noise ratio detection method and device
11/02/2011CN101534460B Method for identifying remote ONU down-linked terminal equipment in PON system automatically
11/02/2011CN101494511B Method for distributing T-MPLS looped network label
11/02/2011CN101379735B Optical fiber loopback test system and method