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)
11/2008
11/27/2008WO2008144777A1 Led light dongle communication system
11/27/2008WO2008143982A1 System for passive scrambling and unscrambling of an optical signal
11/27/2008WO2008142389A1 An optical system for creating interference between photons
11/27/2008WO2008141914A1 Method and device for locating a communication source and mobile communication system using one such device
11/27/2008WO2008141678A1 Optical transmitter, optical network and method for compensation of polarisation mode dispersion
11/27/2008WO2008141482A1 A DCS/WCDMA DUAL FREQUENCY SYNTHESIZER AND A general dual frequency synthesizer
11/27/2008WO2008119557A3 Concept for the adjustment of optical filter wavelengths
11/27/2008WO2008105783A3 Coherent gated receiver
11/27/2008WO2006042312A3 Utilization of yb: and nd: mode-locked oscillators in solid-state short pulse laser systems
11/27/2008US20080292326 Optical Voltage Controlled Oscillator for an Optical Phase Locked Loop
11/27/2008US20080292325 High immunity clock regeneration over optically isolated channel
11/27/2008US20080292324 Systems and methods for reducing clipping in multichannel modulated optical systems
11/27/2008US20080292323 Systems and methods for reducing clipping in multichannel modulated optical systems
11/27/2008US20080292322 Optoelectronic devices with intelligent transmitter modules
11/27/2008US20080292321 Optical Transmitter, Optical Network and Method for Compensation of Polarization Mode Dispersion
11/27/2008US20080292320 Led light global positioning and routing communication system
11/27/2008US20080292319 Optical-electrical hybrid integrated circuit
11/27/2008US20080292318 Optical transmission device,optical transmission method, and recording medium thereof
11/27/2008US20080292314 Optical link monitoring system and method for passive optical network
11/27/2008US20080292312 Method and apparatus for determining optical path attenuation between passive optical network nodes
11/27/2008US20080292311 Intelligent Transmitter Module
11/27/2008US20080292310 Method, Apparatus And System For Optical Channel Group Shared Protection
11/27/2008US20080291529 Raman pump power control for gain flattening
11/27/2008US20080291263 Communication system
11/27/2008US20080291074 Universal Remote Control Device
11/26/2008EP1994659A1 Bidirectional optical amplifier array
11/26/2008EP1994658A2 Modulator device for generating an optical transfer signal modulated by means of a binary signal
11/26/2008EP1994657A2 Method and apparatus for optically filtering a communication signal
11/26/2008EP1994656A1 A lighting device
11/26/2008EP1994655A1 Method and system for integrated dwdm receivers
11/26/2008EP1994654A1 Method and system for hybrid integrated 1xn dwdm transmitter
11/26/2008EP1454390A4 Semiconductor optical amplifier providing high gain, high power and low noise figure
11/26/2008CN201156739Y Novel four-terminal light node add/drop multiplexer
11/26/2008CN201156736Y Light property detector
11/26/2008CN201156735Y Infrared vehicle mounted earphone
11/26/2008CN201156734Y Infrared system and earphone having compressed transmission and receiving extension function
11/26/2008CN201153559Y New shoes
11/26/2008CN101313496A Method and apparatus for generating optical duo binary signals with frequency chirp
11/26/2008CN101312449A Synthetic access equipment
11/26/2008CN101312383A Optical transmission equipment, optical transmission system and optical terminal station
11/26/2008CN101312377A Optical network unit apparatus in passive optical network having wireless access function
11/26/2008CN101312376A Method, apparatus and system for detecting serial connection order of components in optical network
11/26/2008CN100438472C Photon grid middleware and its control based on optical network resource allocation on demand
11/26/2008CN100438447C Recovery method and apparatus for optical network LSP occuring abnormal delete
11/26/2008CN100438387C Optical transmitting system
11/26/2008CN100438380C Carrier optical receiver front feed automatic gain control method and optical receiver using same
11/26/2008CN100438089C Light semiconductor device and optical signal input and output device
11/26/2008CN100437215C Reflective magneto-optical switch
11/26/2008CN100437214C Method for manufacturing optical device and faraday rotation, optical device and optical communication system
11/26/2008CN100437184C Optical module
11/26/2008CN100437177C Optical device with tunable coherent receiver
11/26/2008CN100437169C Low polarisation mode dispersion (PMD) optical fiber link, and method of making the same
11/25/2008US7457854 Automatic assignment of addresses to nodes in a network
11/25/2008US7457549 Sub signal modulation apparatus, sub signal demodulation apparatus, and sub signal modulation demodulation system
11/25/2008US7457548 Quantum optical transmission device and quantum optical generator device therefor
11/25/2008US7457547 Optical calibration system and method
11/25/2008US7457546 Dispersion-managed optical transmission system
11/25/2008US7457545 Process for controlling a Hartmann wavefront sensor (WFS) in an adaptive optic (AO) system
11/25/2008US7457543 Add/drop module for single fiber wavelength division multiplexing systems
11/25/2008US7457542 Optical access network system
11/25/2008US7457541 System for integrating broadcasting and communication technologies while ensuring qualities of services
11/25/2008US7457540 System and method for shaping traffic in optical light-trails
11/25/2008US7457538 Digital performance monitoring for an optical communications system
11/25/2008US7457537 Optical telecommunication system with automatic channel switching
11/25/2008US7457534 Infrared communication system and infrared signal receiving apparatus
11/25/2008US7457496 Receiver photonic integrated circuit (RxPIC) chip utilizing compact wavelength selective decombiners
11/25/2008US7457494 Dispersion compensator, optical transmission system and optical transmission method
11/25/2008US7457489 Frequency tuning of photonic oscillator using amplifier bias voltage
11/25/2008US7457354 Method and device of analyzing a signal transmitted via a communication link
11/25/2008US7457032 Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM)
11/25/2008US7456589 Light output modulation for data transmission
11/25/2008US7455463 High density array of optical transceiver modules
11/20/2008WO2008140918A2 Method and apparatus for clearing an optical channel
11/20/2008WO2008139548A1 Optical packet switching device
11/20/2008WO2008116014A3 High-speed optical transmitters using cascaded optically injection-locked lasers
11/20/2008WO2007065136A3 Optical bus
11/20/2008US20080285984 Device and Method for the Homogenisation of Optical Communication Signals
11/20/2008US20080285983 Modulation scheme for tedons
11/20/2008US20080285982 Single fiber duplex optical transport
11/20/2008US20080285981 Method And System For An Asymmetric Optical Phy Operation For Ethernet A/V Bridging And Ethernet A/V Bridging Extensions
11/20/2008US20080285980 Eye Safety Mechanism for Use in Optical Cable with Electrical Interfaces
11/20/2008US20080285979 High-speed optical communication
11/20/2008US20080285978 Optical hybrid module
11/20/2008US20080285977 Method and apparatus for transmitting optical signals
11/20/2008US20080285976 Optical signal demultiplexing device and optical signal demultiplexing method
11/20/2008US20080285973 Optical add/drop multiplexer
11/20/2008US20080285970 Optical Signal Quality Monitoring Circuit and Optical Signal Quality Monitoring Method
11/20/2008US20080285969 Optical transmission method and device
11/20/2008US20080285915 Optical transmission system
11/20/2008US20080285753 System for passive scrambling and unscrambling of an optical signal
11/20/2008US20080285118 Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems
11/20/2008US20080285016 Method and device for monitoring an optical amplifier, in particular, an optical fiber amplifier
11/20/2008DE102005052772B4 Laserdiode mit integrierter Monitordiode Laser diode with integrated monitor diode
11/19/2008EP1992088A2 Simple fibre channel speed negotiation across transport
11/19/2008EP1992087A2 Transmission formats for high bit-rate systems
11/19/2008EP1787406B1 Connection unit for connecting an electronic device to an optical data bus
11/19/2008CN201153258Y Avalanche photodiode bias circuit and optical transmission equipment having the circuit
11/19/2008CN101310458A Methods and apparatus for optical transmission of digital signals
11/19/2008CN101309525A Route recovery method according to failure positioning in automatic exchange optical network
11/19/2008CN101309191A PON system mixing TDMA and WDM having function of local area network
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