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)
12/2007
12/12/2007EP1865657A1 Quantum communciation system, quantum repeater apparatus, quantum repeater method, and computer program product
12/12/2007EP1865641A1 Opto-electronic calibration and feedback control device for optical wavelength division multiplexing transmission system
12/12/2007EP1865631A1 Illumination light communication device
12/12/2007EP1865302A1 Method and device for measuring polarisation state and polarisation mode dispersion in photonic transmission systems
12/12/2007EP1864411A1 Adaptive ont for a pon network
12/12/2007EP1779560B1 Interactive vehicular communication system, particular between cars and its method of use
12/12/2007EP1776786B1 Pulse electrically programmable generator, in particular a phase profiles and a very high-resolution intensity generator
12/12/2007EP1756639B1 Optical electromagnetic wave amplifying concentrator
12/12/2007EP1536258B1 Optical transmission system, optical multiplexing transmission system, and related peripheral techniques
12/12/2007CN200990668Y Internal optical fiber emission module functional high-speed intelligent ball device
12/12/2007CN200990609Y Super highway optical fiber communication monitoring full-closed new entry
12/12/2007CN101088234A Optical supervisory channel for high span loss optical communication systems
12/12/2007CN101087238A Dynamic bandwidth allocation device and method of passive optical network
12/12/2007CN101087174A Passive optical network system and method of optical routing device and application optical routing device
12/12/2007CN101087156A Data transmission device for wireless microphone system
12/12/2007CN101086682A Electronic apparatus
12/12/2007CN101086594A Optical amplifier transient suppression method and control circuit
12/12/2007CN100355285C Device for elctro/optical emitter and receiver providing combined broadcast signal via user network
12/12/2007CN100355248C Multiple business realizing method based on ethernet passive optical network
12/12/2007CN100355225C System for forming ultralow PMD optical fibre by utilizing amplitude modulation and frequency modulation rotation function
12/12/2007CN100355224C Optical transmission system using in-line amplifiers
12/12/2007CN100355223C Remote control apparatus and control method thereof
12/12/2007CN100355159C Light adjustable oscillator
12/12/2007CN100355088C Semiconductor device and producing method thereof
12/12/2007CN100355014C Topside active optical device apparatus and method
12/12/2007CN100354902C Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system
12/12/2007CN100354699C Tunable optical instruments
12/12/2007CN100354671C Integrated optical transceiver and related methods
12/11/2007US7308211 Optical receiver and method for controlling dispersion compensation
12/11/2007US7308210 Optical modulating device, optical transmitting apparatus using the same, method of controlling optical modulating device, and control program recording medium
12/11/2007US7308209 Transmitter circuit comprising a light source and a communication system
12/11/2007US7308207 Method for identifying an interrogated object using a dynamic optical tag identification system
12/11/2007US7308206 Heatsinking of optical subassembly and method of assembling
12/11/2007US7308205 Optical transmission apparatus
12/11/2007US7308204 Noise suppressing method and apparatus thereof
12/11/2007US7308203 Free space optical data link for aircraft
12/11/2007US7308202 Secure covert combat identification friend-or-foe (IFF) system for the dismounted soldier
12/11/2007US7308201 Optical communication system
12/11/2007US7308200 Pre-emphasis control method in consideration of nonlinear deterioration
12/11/2007US7308199 Optical CDMA transmitting apparatus and method for transmitting bipolar data
12/11/2007US7308194 Information reception device, information transmission system, and information reception method
12/11/2007US7308169 Optical equalizer for intersymbol interference mitigation
12/11/2007US7307541 Light output device, relay and program for controlling the light output device
12/11/2007US7306381 Latching mechanism and electronic module having same
12/11/2007US7306380 Optical connector
12/11/2007CA2358689C Composite packet-switching over wdm by transparent photonic slot routing
12/11/2007CA2280918C Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network
12/06/2007WO2007140423A2 Wavelength sweep control
12/06/2007WO2007140240A2 Optical communication system and method using optical channels with pair-wise orthogonal relationship
12/06/2007WO2007139330A1 Injection locking type light source which of the noise can be minimized
12/06/2007WO2007138672A1 Dispersion compensation device and dispersion compensation method
12/06/2007WO2007138649A1 Optical relay device and optical relay transmission system
12/06/2007WO2007138642A1 Optical access network system
12/06/2007WO2007138477A1 Noise tone avoidance in optical networks
12/06/2007WO2007138476A1 Method and system for power management in optical networks
12/06/2007WO2007138079A1 Optical line termination and optical network unit
12/06/2007US20070281739 Cellular Phone Terminal with Visible Light Transmitter/Receiver
12/06/2007US20070280705 Transmission Network Having an Optical Receiver that Utilizes Dual Power Pins and a Single Status Pin to Lower Power Consumption, Lower Manufacturing Cost, and Increase Transmission Efficiency
12/06/2007US20070280704 Radio frequency (rf) signal receiver using optical processing and associated methods
12/06/2007US20070280703 Wavelength sweep control
12/06/2007US20070280702 Optical transmitter, optical communication system and method for adjusting optical transmitter
12/06/2007US20070280701 Method and Apparatus for Producing High Extinction Ratio Data Modulation Formats
12/06/2007US20070280700 Noise tone avoidance in optical networks
12/06/2007US20070280699 Writing and reading data system, starting from a chromatic printed information that modifies patterns emited by an electromagnetic waves source, introducing biases that conform new patterns, giving place to new data categories matched to a code
12/06/2007US20070280698 Writing and reading data system, starting from a chromatic printed information that modifies patterns emited by an electromagnetic waves source, introducing biases that conform new patterns, giving place to new data categories matched to a code
12/06/2007US20070280697 Code grouping for optical networks
12/06/2007US20070280696 Master/slave multiple path optical switching device
12/06/2007US20070280695 Adaptive optical transceiver for fiber access communications
12/06/2007US20070280694 Optical receiving device and optical receiving method
12/06/2007US20070280688 Upgradeable optical hub and hub upgrade
12/06/2007US20070280687 Method and system for power management in optical networks
12/06/2007US20070280684 Loss-of-signal detecting device
12/06/2007US20070280683 Method as a pre-condition for a gain control, optical access network, central station and terminal
12/06/2007US20070280681 Multi-channel protection switching systems and methods for increased reliability and reduced cost
12/06/2007US20070280576 Distributed amplifier optical modulators
12/06/2007US20070280099 Multiframe alignment in multipoint-to-point communication using orthogonal frequency division multiplexing
12/06/2007US20070278636 Matching Circuits On Optoelectronic Devices
12/06/2007DE102007024933A1 Einrichtung zum Senden und Empfangen eines optischen Signals Means for transmitting and receiving an optical signal
12/05/2007EP1863204A2 System and method for transmitting traffic in a plurality of passive optical networks
12/05/2007EP1863203A1 Illumination light communication device
12/05/2007EP1863202A1 An optical transmission system with gain adjustment
12/05/2007EP1861738A2 Xfp transceiver with 8.5g cdr bypass
12/05/2007CN200987170Y Unlocking mechanism of optical module and optical module using the same
12/05/2007CN200986602Y Optical fibre connecting device
12/05/2007CN101084635A Method and apparatus for recognizing a disturbing effect in an information channel
12/05/2007CN101084634A Method and apparatus for bias and alignment control in an optical signal transmitter
12/05/2007CN101084613A Optical transmitter circuit
12/05/2007CN101083683A Method, system and apparatus for managing optical extended xDSL signal transmission system
12/05/2007CN101083593A Method and system for communication apparatus communication
12/05/2007CN101083589A Terminal detection authentication process, device and operation administrative system in passive optical network
12/05/2007CN101083536A Ethernet optical terminal adapter and ethernet transmission method
12/05/2007CN101083506A Service transmitting/receiving device and method
12/05/2007CN101083505A 光通信系统 The optical communication system
12/05/2007CN101083382A Low noise tunable single frequency fiber laser for full-optical communication and its test system
12/05/2007CN100353779C Method and apparatus for browsing objects in a user's surroundings
12/05/2007CN100353695C Low loss WDM add drop node
12/05/2007CN100353694C Tuneable optical filter
12/05/2007CN100353691C Optical signal transmission
12/05/2007CN100353689C 光信号发送机和光信号传输系统 An optical signal transmitter and optical signal transmission system
12/05/2007CN100353688C Information processing apparatus having infrared communication function and method of controlling thereof