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)
05/2012
05/09/2012CN101645734B Device and method for switching data communication network
05/09/2012CN101616345B Method and device for bridging ONU in EPON network
05/09/2012CN101605281B Method for communicating among a plurality of processors in passive optical network equipment
05/09/2012CN101563843B Optical receiver
05/09/2012CN101436907B Device and method for extracting light clock
05/09/2012CN101431702B Method for mutual protection of adjacent ONU
05/09/2012CN101383659B Apparatus and method for automatically debugging parameter of communication system
05/09/2012CN101345582B Optical signal monitoring method and monitoring device of dense wavelength division multiplexing system
05/09/2012CN101340255B Apparatus and method for realizing connection protection of low order channel sub-network
05/09/2012CN101309114B Method and system realizing automatic configuration of node working mode
05/09/2012CN101252393B Optic cable automatic monitoring system with optical fiber automatic switch unit
05/09/2012CN101242252B Method for realizing dual-link redundancy backup of network device based on Combo interface
05/09/2012CN101227238B Method and apparatus for multipoint fault protection
05/09/2012CN101222278B Method and system for detecting ascending time slot collision of optical network unit
05/09/2012CN101197625B Standard CMOS difference optoelectronic integration receiver with multiplied band width and sensibility
05/09/2012CN101187771B Remotely pumped transportation system for promoting pumping performance by stimulated Raman effect
05/09/2012CN101145884B A judgement method for confliction detection in wave division multiplexing service
05/09/2012CN101145882B Implementation method for quick protective switch
05/09/2012CN101141221B Configurable OADM device
05/09/2012CN101141188B Method and apparatus for implementing cross matrix of optical synchronization digital transmission system
05/09/2012CN101095299B Transmitting device for free-space optical transmission
05/09/2012CN101094038B Method and device for generating millimeter wave and reuse of wavelength in optical fiber wireless communication system
05/08/2012US8175466 Methods and systems for polarization multiplexed multilevel modulation for optical communication
05/08/2012US8175465 Bias control apparatus and method for optical modulator
05/08/2012US8175464 Chromatic dispersion compensation system and method
05/08/2012US8175463 Method and apparatus for connecting AC powered switches, current sensors and control devices via two way IR, fiber optic and light guide cables
05/08/2012US8175462 Fiber optic transceiver (FOT) module and method for manufacturing an FOT module
05/08/2012US8175460 Asymmetric scheduling of multiple analog inputs using a single A/D converter for fiber-optic transceivers
05/08/2012US8175459 Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
05/08/2012US8175455 Optical transmission system and optical transmission control method
05/08/2012US8175454 Fault locator for long haul transmission system
05/08/2012US8174956 Systems and method for orthogonal frequency divisional multiplexing
05/08/2012US8172468 Radio frequency identification (RFID) in communication connections, including fiber optic components
05/03/2012WO2012058571A1 Methods and systems for high bandwidth optical communication
05/03/2012WO2012058484A1 Coherent optical receiver with adaptive equalizer initialization system
05/03/2012WO2012058061A1 Sectorization in distributed antenna systems, and related components and methods
05/03/2012WO2012057792A1 Optical interconnect fabrics implemented with star couplers
05/03/2012WO2012057749A1 Receivers and transceivers for optical multibus systems
05/03/2012WO2012057644A1 Method for generating eye diagrams asynchronously
05/03/2012WO2012055710A1 Assembly comprising at least one optical fibre and a mounting device
05/03/2012WO2012055706A1 Portable electronic unit, external base unit, method for coupling the portable electronic unit to an external base unit and use of the external base unit for coupling the portable electronic unit
05/03/2012WO2012055231A1 Device and method for controlling bias point of dqpsk demodulator
05/03/2012WO2012055043A1 Telerobotic communications system and method
05/03/2012WO2012034074A3 16-qam optical signal generation
05/03/2012WO2012033724A3 Cross-talk reduction in a bidirectional optoelectronic device
05/03/2012WO2011147380A3 Optical transmitter, photonic detector and passive optical network system
05/03/2012WO2011144133A3 A method, device and system for monitoring optical loss in optical network system
05/03/2012WO2011144110A3 Method, system and device for communication in the optical network system
05/03/2012WO2011053105A8 Polarization mode dispersion compensator for wdm network
05/03/2012US20120106984 Optical chips and devices for optical communications
05/03/2012US20120106983 Optimized normalized least mean square phase estimation
05/03/2012US20120106982 Coherent optical receiver with adaptive equalizer initialization system
05/03/2012US20120106981 Laser driver and optical transmitter implementing the same
05/03/2012US20120106980 Controlled depolarization using chirp for mitigation of nonlinear polarization scattering
05/03/2012US20120106978 Methods and systems for high bandwidth optical communication
05/03/2012US20120106977 System and method for communicating using visible light
05/03/2012US20120106976 Network interface device synchronization
05/03/2012US20120106975 Power allocation in optical fiber transmission
05/03/2012US20120106974 Formation of an optical waveguide
05/03/2012US20120106973 Method and apparatus for optical wireless architecture
05/03/2012US20120106972 Universal remote control
05/03/2012US20120106971 Optical transmission device and optical transmission system
05/03/2012US20120106969 Communications apparatus, multiplex communications apparatus, communications system, and communication method
05/03/2012US20120106968 Optical transmission apparatus
05/03/2012US20120106967 Method and device for signal processing and communication system comprising such device
05/03/2012US20120106965 optical source for wavelength division multiplexed optical network capable of high-speed transmission of an optical signal by using un-polarized light source and a wavelength division multiplexed-passive optical network having the same
05/03/2012US20120106962 Polarization multiplexing and transmitting apparatus
05/03/2012US20120106961 Method for data frame reduction in a photonic-based distributed network switch
05/03/2012US20120106960 Reliable load-balanced multi-photonic star configuration
05/03/2012US20120106959 Method and equipment for adjusting power amplification
05/03/2012US20120106957 Single Virtual Domain Fibre Channel over Ethernet Fabric
05/03/2012US20120106954 Method for updating ports in a photonic-based distributed network switch
05/03/2012US20120106953 Dual Laser-Power-Level Control and Calibration System for Burst-Mode and Continuous-Mode Transmitter
05/03/2012US20120106952 Method and Device for Optical Power Budget in Passive Optical Network
05/03/2012US20120106951 In-band optical signal-to-noise ratio measurement
05/03/2012US20120106950 Method and system for optical network smart timer management via delay measurement between spans
05/03/2012US20120106949 Optical Transceiver Module, Optical Transmission Device, and Optical Transmission Method
05/03/2012US20120106948 Optical network in-band control plane signaling, virtualized channels, and tandem connection monitoring systems and methods
05/03/2012US20120106947 Method for monitoring fiber line state, repeater, submarine cable system
05/03/2012DE102011081675A1 Ein faseroptisches Sendeempfänger (FOT)-Modul, das eine geformte Abdeckung aufweist, in der ein optischer Strahlumformer integral gebildet ist A fiber optic transceiver (FOT) module having a molded cover, in which an optical beam transformer is integrally formed
05/03/2012DE102011054912A1 Duales Laserleistungspegel-Regelungs- und Kalibriersystem für Burst-Modus- und Kontinuierlich-Modus-Sender Dual laser power level control and calibration system for burst-mode and continuous mode transmitter
05/03/2012DE102010043154A1 Portables elektronisches Gerät, externes Basisgerät, Verfahren zur Ankopplung des portablen elektronischen Geräts an ein externes Basisgerät und Verwendung des externen Basisgeräts zur Ankopplung des portablen elektronischen Geräts Portable electronic device, external base device, method for coupling the portable electronic device to an external base unit and use the remote base unit for coupling the portable electronic device
05/03/2012CA2816169A1 Telerobotic communications system and method
05/02/2012EP2448168A1 Method and system for bearing time synchronization protocol in optical transport network
05/02/2012EP2448153A1 Optical transmission device and optical transmission system
05/02/2012EP2448152A1 Ranging method and apparatus in passive optical network
05/02/2012EP2447750A1 Assembly Comprising At Least One Optical Fibre And A Mounting Device
05/02/2012EP2446563A1 Mode-hop prevention in a tunable laser of an optical network element
05/02/2012EP2446562A2 Electronic dispersion compensation system and method
05/02/2012EP2446561A1 Transverse-mode multiplexing for optical communication systems
05/02/2012EP2446560A1 Receiver for optical transverse-mode-multiplexed signals
05/02/2012EP2446559A1 Surface and sub-surface wave front management
05/02/2012EP2446558A1 Multi-bit use of a standard optocoupler
05/02/2012EP2446310A2 Coherent optical receiver
05/02/2012EP2446309A2 Optical receiver integrated on a substrate
05/02/2012EP2445587A2 Transdermal photonic energy transmission devices and methods
05/02/2012EP1971094B1 Light receiver
05/02/2012CN202210803U Transceiver installing structure
05/02/2012CN202210802U Optical transmitter and receiver
05/02/2012CN202210651U Intelligent inspection equipment
1 ... 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 ... 732