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)
08/2007
08/15/2007EP1678848B1 Method for characterising an optical fibre link
08/15/2007EP1649566A4 Pulsed quantum dot laser system with low jitter
08/15/2007EP1568157B1 Electroluminescent diode lighting device comprising a communication device and installation comprising one such device
08/15/2007CN2935644Y Novel optical isolator with branch function
08/15/2007CN2935643Y Double transmission select receiving device for optical module
08/15/2007CN1332519C Optical amplifier with gain adjustment
08/15/2007CN1332518C Laser receiving and echo apparatus with Bragg acousto-optic modulator
08/15/2007CN1332517C Light transmitter
08/15/2007CN1332484C Broadband RAMAN amplifier
08/15/2007CN1332237C Adjustable light power distribution method based on nanometer grating and distributor thereof
08/15/2007CN101019398A Method and system for generating switching timing signal for separating transmitting and receiving signal in optical repeater of mobile telecommunication network using TDD and OFDM modulation
08/15/2007CN101019359A Optical add/drop multiplexer with reconfigurable add wavelength selective switch
08/15/2007CN101019352A Identification method of domain-to-domain link based on automatically switched optical network
08/15/2007CN101019351A Optical transmission system using OSSB-modulation and signal transmission method thereof
08/15/2007CN101019350A Receiver having an apparatus for varying decision threshold level and an optical transmission system having the same
08/15/2007CN101019349A System and method for chirped light source
08/15/2007CN101018311A Processing method for digital high-definition TV programs loaded by EPON system
08/15/2007CN101018114A Clock recovery circuit and method for optical receiver
08/15/2007CN101018099A Reconstructable uplink and downlink multiplexer with the shaping and amplification function
08/15/2007CN101018098A Wave division multiplexer/demultiplexer and its making method
08/15/2007CN101018091A Gain spectrum adjusting method of the optical fiber communication amplifier
08/15/2007CN101018090A Device and method for detecting the light receiving power in the optical communication network
08/15/2007CN101018089A Optical fiber automatic monitoring system and method
08/15/2007CN101018062A Intelligent guider interpretation system and its operating method
08/15/2007CN101017956A Encapsulation structure and method of the high-speed semiconductor light emission component
08/15/2007CN101017307A Improvement method for noise figure of gain-controlled erbium-doped fiber amplifier
08/15/2007CN101017221A Multichannel optical communication module and method of preparing the same
08/14/2007US7257334 Device to detect or generate optical signals
08/14/2007US7257333 Dynamic control of planck radiation in photonic crystals
08/14/2007US7257331 Signal emitter for optical fibers
08/14/2007US7257330 Duobinary optical transmission apparatus using a semiconductor optical amplifier
08/14/2007US7257329 Duobinary pulse shaping for optical transmission systems employing pulse amplitude modulation techniques
08/14/2007US7257328 System and method for transmitting data on return path of a cable television system
08/14/2007US7257327 Wireless communication system with high efficiency/high power optical source
08/14/2007US7257325 Method and system for monitoring multiple optical communications lines
08/14/2007US7257324 Apparatus for monitoring optical signal-to-noise ratio
08/14/2007US7257323 Signal-off detection circuit and optical receiving device using the same
08/14/2007US7257290 Multi-wavelength CD and PMD compensator
08/14/2007US7257282 Process of information transmission in optical circuit device and optical circuit device therefor
08/14/2007US7256930 High power pulse shaping fiber laser for high data rate free space telecommunication systems
08/14/2007US7256877 System and method for rapidly achieving optimum dispersion in optical transmission systems
08/14/2007US7255490 Small form factor pluggable optical transceiver having automatic-restoring unlocking mechanism and mechanism for locating optical transceiver components
08/14/2007CA2296279C Optical fiber pumping apparatus and method for use in pumped optical fiber amplifier and laser systems
08/09/2007WO2007088976A1 Light beam path monitoring device and light beam path monitoring method
08/09/2007WO2007088561A1 Passive optical network comprising multi-longitudinal mode emitting devices
08/09/2007WO2007088258A1 System and method for collecting information for submarines
08/09/2007WO2007087766A1 Arrangement and method for converting a digital signal with a large voltage swing into a digital signal with a voltage swing which is smaller than the latter
08/09/2007WO2005081886A3 Cinema fiber optic platform
08/09/2007US20070186261 Data-specific bandwidth allocation in multipoint-to-point communication using orthgonal frequency division multiplexing
08/09/2007US20070186260 Methods for multiframe alignment
08/09/2007US20070186258 Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing
08/09/2007US20070183793 Device and method for detecting received optical power in optical communication network
08/09/2007US20070183792 Widely tunable, dispersion tolerant transmitter
08/09/2007US20070183791 Multiformat transmitter
08/09/2007US20070183788 Feed-forward current injection circuits and semiconductor optical amplifier structures for downstream optical signal reuse method
08/09/2007US20070183787 Optical Transmission System Including Dispersion Slope Compensation
08/09/2007US20070183785 Measurement method by OTDR and terminal station apparatus
08/09/2007US20070183784 Multichannel bidirectional optical transceiver
08/09/2007US20070183783 Netted communication and weapons system for littoral warfare
08/09/2007US20070183776 Methods and systems for controlling power in a communications network
08/09/2007US20070183738 Monolithic photonic integrated circuit (pic) with forward error correction (fec)
08/09/2007US20070183737 Receiver Photonic Integrated Circuit (RxPIC) Chip Utilizing Compact Wavelength Selective Decombiners
08/09/2007US20070183591 Dynamic bandwidth allocation
08/09/2007US20070183550 Clock recovery circuit and method for optical receiver
08/09/2007US20070183023 Multiband amplifier based on discrete SOA-Raman amplifiers
08/09/2007US20070183022 Managing gain tilt in an optically amplified transmission system
08/09/2007US20070182968 Quantum cryptographic communication apparatus
08/09/2007US20070182489 System and method for programmably adjusting gain and frequency response in a 10-gigabit ethernet/fibre channel system
08/09/2007DE19627216B4 Vorrichtung zur Färbung optischer Signale Apparatus for coloring optical signals
08/09/2007DE10211677B4 Anordnung zum Senden oder Empfangen von optischen Signalen Arrangement for transmitting or receiving optical signals
08/09/2007DE102006010145A1 Optokopplervorrichtung und Verfahren zur Fertigung dessen Optical coupling device and method for production thereof
08/09/2007DE102006003846A1 Vorrichtung und Verfahren zum Senden zumindest eines geheimen Parameters innerhalb eines Raums sowie eine Anordnung mit zumindest einem Sender und einem Raum An apparatus and method for transmitting at least one secret parameter within a room and to an arrangement with at least a transmitter and a space
08/08/2007EP1816763A1 Optical receiving apparatus and optical communication system comprising it
08/08/2007EP1816762A1 Optical receiver
08/08/2007EP1816761A2 Netted communication and weapons system for littoral warfare
08/08/2007EP1815619A1 Compensation of gain variations in a multistage optical amplifier
08/08/2007EP1815618A1 Data communications system
08/08/2007EP1815617A1 Optical receiver having transient compensation
08/08/2007EP1815281A2 All-fiber chirped pulse amplification systems
08/08/2007EP1593213B1 Optical transmission system
08/08/2007CN1331319C Complete non-blocked wave division multiple address cross connecting apparatus
08/08/2007CN1331317C Optical network apparatus
08/08/2007CN1331316C ATM passive optical network dual system and method, optical path terminal and network unit
08/08/2007CN101015153A Wavelength division multiplex (WDM) optical demultiplexer
08/08/2007CN101015144A Connection unit for connecting an electronic device to an optical data bus
08/08/2007CN101015143A Multiple channel optical transceiver modules
08/08/2007CN101014893A Optical device for the collection of optical signals
08/08/2007CN101014055A Computer Ethernet card based on passive optical network
08/08/2007CN101014054A Three network into one card based on passive optical network
08/08/2007CN101013930A 光存取网络系统 Optical Access Network System
08/08/2007CN101013929A Optical code division multiplexing transmission/reception method and optical code division multiplexing transmission/reception device
08/08/2007CN101013924A Controlling optical power and extincation ratio of a semiconductor laser
08/08/2007CN101013923A Analog transmitter using an external cavity laser (ecl)
08/08/2007CN101013922A Regulation method for updating amplification unit of fiber communication system
08/08/2007CN101013921A Optical path double-in multi-out splitter of plane light wave with redundant channel
08/08/2007CN101013920A Fiber emitting and receiving system for transmitting audio signal
08/08/2007CN101013919A Method for detecting and locating light-emitting fault of Ethernet passive optical network terminal
08/08/2007CN101013918A 光接收机 Optical Receiver
08/08/2007CN101013498A Anti-fleeing good method
08/08/2007CN101013188A Apparatus and methods for integrally packaging optoelectronic devices, ic chips and optical transmission lines
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