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)
01/2013
01/02/2013CN101110645B Optical transmission line monitoring device, optical transmission line monitioring method and computer program
01/01/2013US8347075 Methods to mitigate attacks against fiber-to-the-home network systems
01/01/2013US8346101 Systems and methods for diagnostic monitoring of optical modulation amplitude at an optical receiver using automatic gain control
01/01/2013US8346100 Apparatus and method for monitoring received optical power in an optical receiver over a wide range of received power with high accuracy
01/01/2013US8346099 Optical reception device and optical reception method
01/01/2013US8346098 Receiving apparatus and receiving method
01/01/2013US8346097 Light source for a passive optical network
01/01/2013US8346096 Amplifier, optical receiver circuit, optical module and data exchange system
01/01/2013US8346095 System and method for providing multi-provider telecommunications services over a passive optical network
01/01/2013US8346094 Optical transmission system and electronic device using the same
01/01/2013US8346093 Receiver of multimedia data
01/01/2013US8346092 Antenna device
01/01/2013US8346087 Wavelength-division multiplexing for use in multi-chip systems
01/01/2013US8346085 Dual-filter optical network interface unit and method of removing noise using same
01/01/2013US8346082 Method of saving power in optical access network
01/01/2013US8346080 Optical network system and memory access method
01/01/2013US8346079 Path computation element protocol (PCEP) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation
01/01/2013US8346078 Optical network equipment and optical network
01/01/2013US8346077 Multi-domain systems and methods for fail secure information transfer
01/01/2013US8346041 Optical communications system
12/2012
12/27/2012WO2012175697A1 System for transmission over a multi-mode and/or multi-core optical fiber
12/27/2012WO2012175449A1 Optical communication system and method of upgrading an optical network
12/27/2012WO2012175050A1 Full duplex transmission method for high speed backplane system
12/27/2012WO2012175016A1 Method of efficiently and safely adding and deleting channels in an amplified wavelength division multiplexing system
12/27/2012WO2012096750A3 System and method for distortion compensation in response to frequency detection
12/27/2012US20120328305 Forward carrier recovery using forward error correction (fec) feedback
12/27/2012US20120328304 Optical transmission system
12/27/2012US20120328303 Optical communications device having electrical bond pads that are protected by a protective coating, and a method for applying the protective coating
12/27/2012US20120328302 Information transmission system, information sending device, information receiving device, information transmission method, information sending method, information receiving method and program product
12/27/2012US20120328301 Digital radio frequency transceiver system and method
12/27/2012US20120328300 Methods and apparatus for learning remote control commands
12/27/2012US20120328299 Apparatus and methods for optical control of lighting devices
12/27/2012US20120328295 Optical Fiber Communication System and Methods for Optical Fiber Communication
12/27/2012US20120328293 Remote Node and Network Architecture and Data Transmission Method for a Fiber-Optic Network, Especially for Low Bit-Rate Data Transmission
12/27/2012US20120328290 Quantum communication network
12/27/2012US20120328287 Wavelength division multiplexed passive optical network apparatus and methods of configuration
12/27/2012US20120328285 Intelligent optical module capable of restarting remotely from host system
12/27/2012US20120328283 Predictive End-To-End Management For Sonet Networks
12/27/2012US20120328282 Network Restoration Under Link or Node Failure Using Preconfigured Virtual Cycles
12/27/2012US20120327961 Amplitude and phase modulation of a laser by modulation of an output coupler
12/27/2012US20120327957 Data packet synchronization and return-to-zero conversion
12/26/2012EP2538587A1 Optical communication system and method of upgrading an optical network
12/26/2012EP2538586A1 Method of performing target raman gain locking and raman fiber amplifier
12/26/2012EP2538584A1 Information Transmission System, Information Sending Device, Information Receiving Device, Information Transmission Method, Information Sending Method and Information Receiving Method
12/26/2012EP2538583A1 Optical signal turn-off detection circuit and optical receiver
12/26/2012EP2538253A1 A multimode optical fiber interferometer
12/26/2012EP2537269A1 DYNAMIC CELL BONDING (DCB) FOR RADIO-OVER-FIBER (RoF)-BASED NETWORKS AND COMMUNICATION SYSTEMS AND RELATED METHODS
12/26/2012CN202634446U Wireless transceiving module of optical fiber uplink interface terminal
12/26/2012CN202634445U Low speed optical fiber transmission module based on microprogrammed control unit (MCU)
12/26/2012CN202634444U Optical fiber uplink interface terminal based on Ethernet passive optical network (EPON) technology
12/26/2012CN202634432U 光模块初始化装置及光模块 Optical module and optical module initialization means
12/26/2012CN1894871B Device with light gain medium, method for manufacturing light gain medium and multi-wavelength light source
12/26/2012CN102845001A Localization services in optical fiber-based distributed communications components and systems, and related methods
12/26/2012CN102845000A 节点装置 Node device
12/26/2012CN101958871B Adaptive free space optical communication (FSO)-orthogonal frequency division multiplexing (OFDM) transmission system and transmission method
12/26/2012CN101902280B Self-contained MAC Ethernet passive optical network terminal SFP
12/26/2012CN101854211B High-speed single-fiber bidirectional optical module
12/26/2012CN101167276B Multi-channel data transmission system for computer tomographs
12/25/2012US8340534 Side band pilot tone for digital signal processing in polarization multiplexed coherent optical communication system
12/25/2012US8340533 Optical balanced receiver and IQ receiver with balanced compensation
12/25/2012US8340532 Optical signal receiving apparatus
12/25/2012US8340531 Method and apparatus for improved SBS suppression in optical fiber communication systems
12/25/2012US8340530 Local oscillator frequency offset compensation in a coherent optical signal receiver
12/25/2012US8340529 HDMI TMDS optical signal transmission using PAM technique
12/25/2012US8340528 Optical transceiver
12/25/2012US8340527 Method and apparatus for coupling optical signal with packaged circuits via optical cables and lightguide couplers
12/25/2012US8340525 Method and device for stabilizing multi-channel optical signal wavelengths
12/25/2012US8340522 Filter assembly and optical module using same
12/25/2012US8340521 Optical transmission system
12/25/2012US8340520 Optical network unit
12/25/2012US8340519 Passive optical network comprising an optical burst mode receiver
12/25/2012US8340518 PON system, station-side apparatus for PON system, and control method thereof
12/25/2012US8340517 Systems and methods for on-chip data communication
12/25/2012US8340515 Method and system for monitoring optical dispersion in an optical signal
12/25/2012US8339698 Raman amplifier and raman amplifier adjustment method
12/25/2012US8337096 Efficient thermoelectric cooling of photonic integrated circuits
12/20/2012WO2012173505A1 Method for non-linear equalization of the optical channel in the frequency domain
12/20/2012WO2012172760A1 Optical switch control method, optical switch control device, and optical transmission system
12/20/2012WO2012172680A1 Subcarrier access control device, optical network system, and subcarrier access control method for optical network system
12/20/2012WO2012172541A1 Spatially distributed laser resonator
12/20/2012WO2012172309A1 Optical signal processing
12/20/2012WO2012172301A1 Communications system, apparatus and method
12/20/2012WO2012171491A1 Media access control address switching method, network equipment, and user equipment
12/20/2012WO2012171202A1 Method and device for optical power control
12/20/2012WO2012171160A1 Method and backplane for bit width conversion from time division to space division of optical transport network backplane
12/20/2012WO2012121544A3 Wireless network system, wireless device, and network registration method of the wireless device
12/20/2012US20120321325 Parallel conversion between optical and digital
12/20/2012US20120321324 Architecture of 4-ASK Transmitter
12/20/2012US20120321323 Variable Line-Rate Optical Transmitter by Modulation Format Hopping Using Electrical-Optical-Electrical EOE Generated QAM Signal
12/20/2012US20120321322 Optical microphone
12/20/2012US20120321321 Methods of communication utilizing an led lamp
12/20/2012US20120321316 Reflective optical networks
12/20/2012US20120321310 Optical junction nodes for use in data center networks
12/20/2012US20120321307 System and method for distributing digital signals over long-distance switched optical transport networks
12/20/2012US20120321305 RADIO-OVER-FIBER (RoF) SYSTEM FOR PROTOCOL-INDEPENDENT WIRED AND/OR WIRELESS COMMUNICATION
12/20/2012US20120321304 Combined communication and broadcasting dual switching system and method
12/20/2012US20120321301 Bandwidth Provisioning for the Entangled Photon System by Adjusting the Phase Matching
12/20/2012US20120321300 Node equipment
12/20/2012US20120321299 Optical channel monitor
12/20/2012US20120321298 Systems and Methods for Polarization Mode Dispersion Mitigation