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)
11/2006
11/29/2006EP1727304A2 Optical transmission apparatus, continuity testing method therein and optical transmission system
11/29/2006EP1727303A2 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
11/29/2006EP1727302A1 An optical communication system as well as a access network provided therewith
11/29/2006EP1727301A1 Optical transmission system, optical transmission device and optical reception device of optical transmission system
11/29/2006EP1726183A1 Optically controlled optical-path-switching-type data distribution apparatus and distribution method
11/29/2006EP1726118A1 Secure data communication apparatus and method
11/29/2006EP1726109A1 Method and apparatus for free space optical communication using incoherent light
11/29/2006EP1547282A4 Communication system providing hybrid optical/wireless communications and related methods
11/29/2006EP1514196A4 System and method for managing communication links
11/29/2006EP1488547A4 Systems and methods for active monitoring and management of fiber links
11/29/2006EP1405544B1 Modular cross connect system with 3d-mems for optical telecommunication networks
11/29/2006CN2842455Y 1X2 mechanical light switch
11/29/2006CN2842454Y Optical-fiber light source for optical-fiber gyroscope
11/29/2006CN2842453Y Optical-fiber super-radiation light source
11/29/2006CN1871798A Transimpedance amplifier with receive signal strength indicator
11/29/2006CN1871797A An optical voltage controlled oscillator for an optical phase locked loop
11/29/2006CN1871754A 激光驱动器电路 Laser driver circuit
11/29/2006CN1871508A Computer tomograph with optoelectronic data transfer
11/29/2006CN1870472A Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
11/29/2006CN1870471A System and method of suppressing self-excitation in multi-section shared protection based on optical ring network
11/29/2006CN1870470A Two-fibre two-way multi-section shared protection optical fiber ring network
11/29/2006CN1870469A Optical split insertion duplexer based on acousto-optic tunable wave filter
11/29/2006CN1869748A Integratable optical isolator having mach-zehnder interferometer configuration
11/29/2006CN1287558C Recovering method for optical transmission circular network wrong connection business
11/29/2006CN1287541C Wavelength division multiplex (WDM) optical network
11/29/2006CN1287259C Device and method for operating multiple I2C sub device in communication equipment
11/29/2006CN1287189C Method and device for optical amplification and system comprising device
11/29/2006CN1287175C Electrooptical light guide optical switching arrangement capable of increasing extinction ratio
11/28/2006US7142789 Methods and apparatus for generating a radiation pulse sequence
11/28/2006US7142788 Optical communications systems, devices, and methods
11/28/2006US7142787 Optical data transmission method and its system, optical transmitter and its method, and optical switcher
11/28/2006US7142786 Wireless infrared network transceiver
11/28/2006US7142785 Light branching/inserting apparatus and light branching apparatus using wavelength selection filter
11/28/2006US7142784 Microprocessor-based optical signal conditioner
11/28/2006US7142783 Method and system for identification of channels in an optical network
11/28/2006US7142782 Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scattering
11/28/2006US7142751 Methods and systems for chromatic dispersion compensation in switched grating WDM devices
11/28/2006US7142574 Laser driver circuit and system
11/28/2006US7142570 Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
11/28/2006US7142356 Fast dynamic gain control in an optical fiber amplifier
11/28/2006US7142348 Conformal retro-modulator optical devices
11/28/2006CA2264879C Fabricating optical waveguide gratings
11/28/2006CA2216304C Combat communication system
11/28/2006CA2188012C Fibre reflector
11/23/2006WO2006123904A1 Long-reach wavelength division multiplexing passive iptical network(wdm-pon)
11/23/2006WO2006123854A1 Method for selecting beams during initial synchronization process using switched beam, switched beam operation method and initial synchronization method using the same
11/23/2006WO2006123697A1 Data transmitting apparatus and data receiving apparatus
11/23/2006WO2006123646A1 Wavelength division multiplexing optical transmitting device and wavelength division multiplexing optical transmitting method
11/23/2006WO2006122503A1 Method and system for keeping time alignment between optical data modulation and a periodically modulated light source
11/23/2006WO2006069377A3 Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver
11/23/2006WO2006017802A3 Fiber optic article
11/23/2006WO2005060467A3 Vehicular optical communications system
11/23/2006US20060265482 Automatic assignment of addresses to nodes in a network
11/23/2006US20060263100 Optical receiver
11/23/2006US20060263099 System and method for chirped light source
11/23/2006US20060263098 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
11/23/2006US20060263097 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
11/23/2006US20060263096 Multi-channel transmission of quantum information
11/23/2006US20060263095 Method and system for keeping timing alignment between driving signals in optical double modulation
11/23/2006US20060263094 Apparatus for mitigating the effects of polarization mode dispersion of a plurality of optical signals
11/23/2006US20060263093 Transceiver suitable for data communications between wearable computers
11/23/2006US20060263092 Optoelectronic Transceiver Having Dual Access to Onboard Diagnostics
11/23/2006US20060263090 Low-cost WDM source with an incoherent light injected Fabry-Perot laser diode
11/23/2006US20060263089 Output stage for carrying out wdm message transmission and methods for exchanging full light sources in an output stage of this type
11/23/2006US20060263086 Communication system with external synchronisation
11/23/2006US20060263085 Method of and system for determining the performance of heterogeneous optical transmission system
11/23/2006US20060263084 Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver
11/23/2006US20060263012 Optical connector
11/23/2006US20060262664 Optical communication system and optical transmitting apparatus for the same
11/23/2006US20060262562 Multifunctional-type backlight unit and information device using said backlight unit
11/23/2006US20060262388 Fiber amplifier with suppression of amplified spontaneous emission
11/23/2006US20060261979 Event detection system
11/23/2006DE10024238B4 Verfahren zur Qualitäts-und Identitätskontrolle von Wellenlängenkanälen in optischen Übertragungsnetzen A method for quality control and identity of wavelength channels in optical transmission systems
11/22/2006EP1724952A1 Communications system and leakage optical fiber
11/22/2006EP1724951A1 Portable telephone terminal with visible light transmitter/receiver
11/22/2006EP1724886A1 Integrated memory controller circuit for fiber optics transceiver
11/22/2006EP1723737A1 System, method and apparatus for polarization mode dispersion compensation and demultiplexing polarization multiplexed signals
11/22/2006EP1723736A1 Optical modulation converter and method for converting the modulation format of an optical signal
11/22/2006EP1723530A1 Hierarchical and byte-configurable memory in an optical transceiver
11/22/2006EP1550244A4 Optical transceiver module with multipurpose internal serial bus
11/22/2006EP1329041B1 A transmitter circuit comprising a light source and a communication system
11/22/2006EP1114344B1 Bus system for transmitting optical signals
11/22/2006EP0963629B1 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network
11/22/2006CN2840525Y Infrared communication monitoring device
11/22/2006CN2840076Y Optical splitting module for passive light network
11/22/2006CN1866857A PON system multicast authority managing and controlling method
11/22/2006CN1866837A 无源光网络多媒体布线箱 Passive optical network multimedia wiring box
11/22/2006CN1866807A Optical pulse time spreading device
11/22/2006CN1866797A Optical add-drop multiplexer ring network multiplex section power optimizing method and its system
11/22/2006CN1866796A SDMA visible light wireless access system
11/22/2006CN1866795A 光通信系统 The optical communication system
11/22/2006CN1866794A Method and system for determining the performance of a heterogeneous optical transmission system
11/22/2006CN1866792A Method for improving GPON-ONU equipment photodetector sensibility
11/22/2006CN1866791A Method and apparatus for testing passive optical network fault
11/22/2006CN1866790A PON network design method using OTDR detection light path
11/22/2006CN1866647A Double-wavelength series connection distribution feedback laser adapted to coarse wavelength division multiplexing
11/22/2006CN1866067A Broadband light source
11/22/2006CN1286281C Optical transmission system possessing function for monitoring optical fibers and cables
11/22/2006CN1286280C Light transmission device and method of optimum light return-to-zero code receiving pulse width
11/22/2006CN1286279C A transmitter-receiver device and a communication system