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)
05/2006
05/31/2006EP1662680A1 Optical receiver and method for chromatic dispersion compensation
05/31/2006EP1662679A1 Uncooled laser generation of narrowcast CATV signal
05/31/2006EP1662625A1 Driver circuit having an amplifier with automatic offset compensation and method of offset compensation of an amplifier comprised in a driver circuit
05/31/2006EP1662280A1 Optical transmission line constituting method, optical transmission line, and optical fiber
05/31/2006EP1661272A1 Processes and devices for the determination of a pmd-induced outage probability of an optical transmission system
05/31/2006EP1661271A1 Method for starting lasers in a network
05/31/2006EP1661270A2 Apparatus and methods for fiber optic link with built-in test
05/31/2006EP1660923A2 Distributed amplifier optical modulators
05/31/2006EP1410534B1 System and method for mass broadband communications
05/31/2006EP1303932B1 Optical pulse train generator
05/31/2006EP1097530B1 Laser satellite communication systems
05/31/2006EP1086534B1 Communication system transceivers with data bypass and power saving features
05/31/2006CN2785274Y 激光电话 Laser Phone
05/31/2006CN2785272Y Optical network card for optical network 650nm information system
05/31/2006CN2785269Y Diversity reception WCDMA fiber repeater
05/31/2006CN2784952Y Surface installing equipment type optical coupler
05/31/2006CN1781224A Method of manufacturing and aligning an etalon
05/31/2006CN1780456A Distributed covering network
05/31/2006CN1780182A Optical receiver and method for chromatic dispersion compensation
05/31/2006CN1780181A Wireless data transmission and transmitter
05/31/2006CN1779507A Optical element and optical switch
05/31/2006CN1258270C Passive optical network protection method
05/31/2006CN1258102C Optical fiber coupled light dimmer
05/31/2006CN1258101C Intelligent type double channel optical fiber amplifier for metropolitan area network
05/31/2006CN1258100C NZ external modulator based on microoptical and planar waveguide technique
05/31/2006CN1258099C Negative-dispersion optical fiber and optical transmission line incorporating same
05/31/2006CN1257862C Method for decreasing hydrogen-sensitivity within 1380 nm-1410 nm
05/30/2006US7054564 Open loop thermal compensation circuit that is suitable for use in burst-mode laser transmitters
05/30/2006US7054563 Multi-channel optical communication system that controls optical reflection for each channel and optical transmitting and receiving apparatus therefor
05/30/2006US7054560 Configuration for detecting optical signals of a planar optical circuit
05/30/2006US7054559 Method and system for modular multiplexing and amplification in a multi-channel plan
05/30/2006US7054558 Method for traffic protection in WDM fiber optic transport networks
05/30/2006US7054556 Channel identification in communications networks
05/30/2006US7054555 Communication network, wavelength division multiplex transmission equipment, optical switch equipment, and optical attribute/state administering method for them
05/30/2006US7054554 Method and system for detecting network elements in an optical communications network
05/30/2006US7054553 Apparatus for monitoring polarization-mode dispersion and chromatic dispersion and transmitting means for transmitting optical signal in optical network
05/30/2006US7054538 Flat dispersion frequency discriminator (FDFD)
05/30/2006US7054389 Carrier detection circuit and infrared ray remote control receiver
05/30/2006US7054342 High density optical source bank
05/30/2006US7054060 Raman amplification system utilizing bi-directional pumping
05/30/2006US7054059 Lumped Raman amplification structure for very wideband applications
05/30/2006US7054057 Multi-frequency light source
05/30/2006US7053996 Instruments of optical pulse characterization
05/30/2006CA2342538C Optical fiber transmission system with polarization multiplexing to reduce stimulated brillouin scattering
05/30/2006CA2342391C Partial back pressure (pbp) transmission technique for atm-pon
05/30/2006CA2260119C Amplified sensor arrays
05/26/2006WO2006055244A1 Laser power control with automatic compensation
05/26/2006WO2006054703A1 Communication apparatus, wiring converting unit and wiring method for performing communication between case slots through transmission
05/26/2006WO2006054090A1 A method or device for generating an electrical signal with a wide band arbitrary waveform
05/26/2006WO2006053853A1 Monitoring of optical signals
05/26/2006WO2006053498A1 Identification methods of domain-to-domain link based on automatically switched optical network
05/26/2006WO2006053483A1 An infrared receiver
05/26/2006WO2006053421A1 Multi-path error-correcting demodulating method and device
05/26/2006WO2004102859A3 Method and apparatus for use in a communication system
05/25/2006US20060110170 Optical receiver having transient compensation
05/25/2006US20060110169 Laser power control with automatic compensation
05/25/2006US20060110168 Return-to-zero alternative-mark-inversion optical transmitter and method for generating return-to-zero alternative-mark-inversion optical signal using the same
05/25/2006US20060110167 Clock signal generation apparatus using asymmetrical distortion of NRZ signal and optical transmission and reception system employing the same
05/25/2006US20060110166 Detecting and locating pulses using a bragg cell
05/25/2006US20060110165 Optical receiver and method for chromatic dispersion compensation
05/25/2006US20060110164 Multiple PCBA transceiver
05/25/2006US20060110163 Spatial transmit/receive isolation method for optical communication systems
05/25/2006US20060110160 Method and device for the transmission of information by means of an optical data transmission system
05/25/2006US20060110159 Method for optimizing the optical power in an optical network and an optical network
05/25/2006US20060110158 Methods and apparatus for optical network management using pilot tones
05/25/2006US20060110157 Transceiver with interrupt unit
05/25/2006US20060110102 Restoring optical pulses
05/25/2006US20060110093 Process of information transmission in optical circuit device and optical circuit device therefor
05/25/2006US20060110088 Method, apparatus and system for minimally intrusive fiber identification
05/25/2006US20060109543 Multi-stage raman amplifier
05/24/2006EP1659812A1 Radio communication system
05/24/2006EP1659710A1 Optical transmitter
05/24/2006EP1659708A1 Radio communication system with variable beam-pattern antenna array
05/24/2006EP1659428A1 Fiber optics transmission line
05/24/2006EP1383267B1 Quantum cipher communication system
05/24/2006EP1377217B1 Method and system for galvanically isolated transmission of gigabit/sec data via a slip ring arrangement
05/24/2006EP1166487B1 Method and arrangement for measuring the signal quality in an optical transmission system
05/24/2006DE19816977B4 Schaltungsanordnung und Verfahren zur Überwachung eines über eine Lichtwellenleiter-Strecke empfangenen digitalen Signals Circuit arrangement and method for monitoring a signal received via a fiber optic line digital signal
05/24/2006DE112004001310T5 Verfahren und Vorrichtung zum Testen optischer Netzwerke A method and apparatus for testing optical networks
05/24/2006DE10121716B4 Schaltungsanordnung zur Verarbeitung eines Signals und daraus aufgebaute Signalauswerteschaltung Circuitry for processing a signal and signal analysis circuit composed to
05/24/2006DE10112274B4 Optoelektonisches Sendemodul und Verfahren zu dessen Herstellung Optoelektonisches transmitter module and process for its preparation
05/24/2006DE10106755B4 Optoelekronische Vorrichtung An opto-electronic device
05/24/2006CN2783640Y Domestic imitation light receiver for optical fibre transmission system to user
05/24/2006CN2783639Y Infrared receiving earphone-microphone type intelligent phonetic explanation device
05/24/2006CN2783350Y Thermolight type light waveguide switch bused on polymer having multimode interference couplee structure
05/24/2006CN1778057A A chromatic dispersion compensation module
05/24/2006CN1778056A Counter-pumped distributed raman amplification in wavelength division multiplex optical communication systems
05/24/2006CN1777314A Mobile communication terminal, apparatus for providing wire communications to the same and method thereof
05/24/2006CN1777069A Fully optical-fiber erbium-doped Brillouin amplifier
05/24/2006CN1777068A Return-to-zero alternative-mark-inversion optical transmitter and method for generating said optical signal using the same
05/24/2006CN1777067A Optical network termination apparatus with shared components and passive optical network system comprising same
05/24/2006CN1777066A Ethernet passive optical network multi-service dynamic broadband distributing method
05/24/2006CN1777065A Single-fiber transmission converter capable of concurrently transmitting a single-fiber double-wave system and a two-fiber system signal
05/24/2006CN1777064A Satellite laser communication terminal
05/24/2006CN1777063A Trapping system for satellite laser communication
05/24/2006CN1257626C Beam combiner
05/24/2006CN1257417C Wavelength dispersion compensator and optical transmission device
05/23/2006US7050724 Optical receiver
05/23/2006US7050723 Laser oscillator, optical communication method and system
05/23/2006US7050722 Synchronous optical regenerator using intensity modulation and phase modulation by the crossed kerr effect