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)
10/2005
10/05/2005EP1583263A1 Method and apparatus for PMD/PDL/PDG mitigation
10/05/2005EP1583262A1 Dispersion compensation method and compensation node apparatus
10/05/2005EP1583261A1 Multi-input optoelectronic receivers
10/05/2005EP1583260A2 Optical image transmitting system, optical image transmitting apparatus, optical image receiving apparatus, and optical image transmitting method
10/05/2005EP1583259A2 Light source apparatus, and method for switching redundancy of the light source
10/05/2005EP1582430A1 System and process for monitoring railway tracks
10/05/2005EP1582018A2 Extended source free-space optical communication system
10/05/2005EP1581986A2 Temperature insensitive quantum dot lasers and photonic gain devices having proximity-placed acceptor impurities, and methods therefor
10/05/2005EP1470522A4 Laser optics integrated control system and method of operation
10/05/2005EP1446900B1 Infrared (ir) transmission device
10/05/2005EP1356613B1 A method and system for transmission in an optical network
10/05/2005EP1245087B1 Power adjustment method for a wavelength division multiplexing optical transmission system
10/05/2005EP1240736B1 Per-channel optical amplification using saturation mode
10/05/2005EP1155479A4 Opto-electronic oscillators having optical resonators
10/05/2005EP0936762B9 Polarized light communication device
10/05/2005CN2731879Y Extendable photoelectric optical fiber network system back plate
10/05/2005CN2731396Y Positioning baffle of measurer for measuring internal diameter of ceramic contact pin and concentricity
10/05/2005CN1679258A Method for determining the gain spectrum of a Raman amplifier in a WDM-transmission system
10/05/2005CN1677918A Radio transmission device, mutual authentication method and mutual authentication program
10/05/2005CN1677905A Light emitting diode driving circuit and optical transmitter for use in optical fiber link
10/05/2005CN1677904A Radio-frequency zoom-out module network and method for realizing data transmission using same
10/05/2005CN1677903A Method and apparatus for PMD/PDL/PDG mitigation
10/05/2005CN1677902A 光传输系统 The optical transmission system
10/05/2005CN1677901A Device for conducting position detection using modulation light beam and detection method
10/05/2005CN1677171A Polarization controller and use thereof
10/05/2005CN1677146A Fiber collimating lenses and method
10/05/2005CN1677145A Method and device for wavelength dispersion compensation
10/05/2005CN1677142A Optical wavelength add-drop multiplexer
10/05/2005CN1677072A Optical fiber fault automatic monitoring method
10/05/2005CN1676389A System and process for monitoring railway tracks
10/05/2005CN1222125C Optical transfer system
10/05/2005CN1222124C Cascaded pumping system and method for generating distributed Raman amplification in optical fiber telecommunication system
10/05/2005CN1222123C Method for optical fiber communication, and device and system for same
10/05/2005CN1222122C Optical amplification device and optical transfer system using it
10/05/2005CN1222121C Multi-channel laser driver with channels capable of being programmed separately
10/05/2005CN1221847C Wavelength-division multiplexing optical communication system
10/04/2005US6952744 Computer including optical interconnect, memory unit, and method of assembling a computer
10/04/2005US6952534 System and method for generating return-to-zero (RZ) optical data in a digital lightwave communications system
10/04/2005US6952533 Internet protocol over WDM network, and packet communication system and method in the IPOW network
10/04/2005US6952532 Method and apparatus for multiboard fiber optic modules and fiber optic module arrays
10/04/2005US6952531 System and method for protecting eye safety during operation of a fiber optic transceiver
10/04/2005US6952529 System and method for monitoring OSNR in an optical network
10/04/2005US6952512 Compensator for compensation of higher-order chromatic dispersion
10/04/2005US6952511 Gain equalizer and optical amplification apparatus
10/04/2005US6952509 Wavelength dispersion compensator and optical transmission line
10/04/2005US6952308 Multi-stage bidirectional optical amplifier
10/04/2005US6952297 Method of differentially connecting photonic devices
10/04/2005US6952005 Optical receiver circuit
10/04/2005US6951060 Method for transmitting control commands from a transmitting element to a measuring probe
10/04/2005CA2371272C Wavelength selective cross-connect (wsc)
09/2005
09/29/2005WO2005091548A1 Method and device for synchronizing and acquiring twin photons for a quantum cryptography process
09/29/2005WO2005091535A1 Optical add/drop amplification device
09/29/2005WO2005091534A1 An optical duobinary transmission system and method
09/29/2005WO2005091533A1 Method and apparatus for optical phase modulation
09/29/2005WO2005091532A1 Method for generating carrier residual signal and its device
09/29/2005WO2005091445A1 Thermal management of an optical amplifier module housed in a universal cable joint
09/29/2005WO2005089516A2 Flat-topped chirp induced by optical filter edge
09/29/2005WO2005079416A3 Optical line termination, passive optical network, and method and apparatus for performance monitoring
09/29/2005WO2005034370A3 Method and apparatus for improved high-speed adaptive equalization
09/29/2005US20050215894 Ultrasound system
09/29/2005US20050213995 Low power and low jitter optical receiver for fiber optic communication link
09/29/2005US20050213994 Arrayed receiver optical sub-assembly including layered ceramic substrate for alleviation of cross-talk and noise between channels
09/29/2005US20050213993 Modulator driver circuit with selectable on-chip termination
09/29/2005US20050213992 Method and apparatus for optical transmission of data
09/29/2005US20050213991 Polarization scrambler and optical network using the same
09/29/2005US20050213989 Reconfigurable data communications system with a removable optical backplane connector
09/29/2005US20050213988 Light transmitter-receiver apparatus
09/29/2005US20050213987 Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit
09/29/2005US20050213986 Dispersion compensating method and dispersion compensating apparatus
09/29/2005US20050213985 Optical transmission systems including optical amplifiers and methods of use therein
09/29/2005US20050213984 Duplex optical transceiver
09/29/2005US20050213983 Stack-integrated package of optical transceiver for single core full duplex fiber communications
09/29/2005US20050213982 Multi-rate and multi-level gigabit interface converter
09/29/2005US20050213981 Optical discriminator for transmitting and receiving in both optical fiber and free space applications
09/29/2005US20050213980 Optical transmission apparatus and optical transmission system
09/29/2005US20050213979 Wavelength division multiplexing optical transmission system and transmission wavelength control method therefor
09/29/2005US20050213978 Wavelength demultiplexing unit
09/29/2005US20050213977 Split-band optical transmission system and optical transmission method used therein
09/29/2005US20050213976 Method, apparatus and system for the communication of services in an optical access network
09/29/2005US20050213975 Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal
09/29/2005US20050213974 Passive optical network and ultrawide band adapter
09/29/2005US20050213973 Optical network interface systems and devices
09/29/2005US20050213972 Light source apparatus, and method for switching redundancy of the light source
09/29/2005US20050213970 Relay transmission apparatus
09/29/2005US20050213969 Light transmission apparatus
09/29/2005US20050213968 Optical transmission apparatus and control method therefor
09/29/2005US20050213967 Optical wavelength division multiplexing transmission system
09/29/2005US20050213965 Communications testing apparatus and method of use
09/29/2005US20050213909 Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode
09/29/2005US20050213883 Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)
09/29/2005US20050213879 Flexible band tunable filter
09/29/2005US20050213866 System
09/29/2005US20050213865 Optical dividing device
09/29/2005US20050213764 Radio transmission device, mutual authentication method and mutual authentication program
09/29/2005US20050213270 Optical receiver
09/29/2005US20050213196 Optical transmission system having function of correcting noise light due to Raman amplification
09/29/2005US20050213178 Controlling apparatus and controlling method for spatial optical switch
09/29/2005CA2561128A1 Flat-topped chirp induced by optical filter edge
09/28/2005EP1580907A1 Method, apparatus and system for the communication of services in an optical access network
09/28/2005EP1580906A2 Dispersion compensating method and dispersion compensating apparatus
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