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)
07/2003
07/01/2003US6587623 Method for reducing stimulated brillouin scattering in waveguide systems and devices
07/01/2003US6587616 Tuneable optical filter
07/01/2003US6587606 Waveguide fiber dispersion compensating regenerator
07/01/2003US6587604 Optical semiconductor device
07/01/2003US6587421 Refractive index matching means coupled to an optical fiber for eliminating spurious light
07/01/2003US6587278 Optical interferometer and signal synthesizer using the interferometer
07/01/2003US6587261 Optical transmission systems including optical amplifiers and methods of use therein
07/01/2003US6587260 Band-expanding method for optical amplifiers and optical transmission apparatus
07/01/2003US6587259 System and method for controlling noise figure
07/01/2003US6587256 RF combiner based on cascaded optical phase modulation
07/01/2003US6587243 Second order predistortor for a return laser transmitter
07/01/2003US6587242 Optical transmission system
07/01/2003US6587241 Optical protection methods, systems, and apparatuses
07/01/2003US6587240 Optical switching node and method for operating same
07/01/2003US6587236 Fiber optic errorless switching system
07/01/2003US6587235 Method and apparatus for capacity-efficient restoration in an optical communication system
07/01/2003US6587214 Optical power and wavelength monitor
07/01/2003US6587067 Universal remote control with macro command capabilities
07/01/2003US6587004 Signal amplifier and optical signal receiver using the same
07/01/2003US6586724 Chromatic dispersion discriminator
07/01/2003US6585432 Optoelectronic communication system in turbulent medium having array of photodetectors and time compensation
07/01/2003US6585431 Noncontact information transmitter
07/01/2003CA2147035C Amplified telecommunication system for wavelength-division multiplexing transmissions
07/01/2003CA2079293C System and method for transmitting data in an optical traffic preemption system
06/2003
06/26/2003WO2003052994A2 High data rate wireless communication system
06/26/2003WO2003052986A1 Control of wavelength selectable filters in optical networks
06/26/2003WO2003052978A1 Protected bidirectional wdm network
06/26/2003WO2003052977A1 Chromatic dispersin compensation
06/26/2003WO2003052976A2 Optical communication system
06/26/2003WO2003052975A2 Method to deskew or skew optical channels
06/26/2003WO2003052974A1 Mobile platform local area network using direct infrared
06/26/2003WO2003052972A2 Hybrid optical transceivers for free space optical communication
06/26/2003WO2003052945A2 Methods, systems and means for providing optical data communications between data equipment
06/26/2003WO2003052888A1 Optical amplifier with distributed evanescently-coupled pump
06/26/2003WO2003052887A1 Optical amplifier with multiple wavelength pump
06/26/2003WO2003052507A1 Gain equalization system and method
06/26/2003WO2003052486A1 Method for transmitting and receiving optical signals and device for carrying out said method
06/26/2003WO2003052464A2 Raman amplifiers operating in saturation
06/26/2003WO2003005620A3 Method and arrangement for the determination and separation of single channel effects on the optical transmission of a wavelength-multiplex (wdm) signal
06/26/2003WO2002093794A3 Optical amplifier performance controller and method of use
06/26/2003US20030118352 Optical phase modulation
06/26/2003US20030118351 Optical transmitter and code conversion circuit used therefor
06/26/2003US20030118350 Synchronous amplitude modulation for improved performance of optical transmission systems
06/26/2003US20030118349 Optical clock phase-locked loop circuit
06/26/2003US20030118348 Method and system for providing controlled impairments to an optical transport system
06/26/2003US20030118347 Spectral inversion and chromatic dispersion management in optical transmission systems
06/26/2003US20030118346 Optical signal generating apparatus, method thereof, transmitting apparatus, transmitting method, receiving apparatus, receiving method, transmitting and receiving apparatus, and transmitting and receiving method
06/26/2003US20030118345 Digital transmission system
06/26/2003US20030118307 Dispersion-compensating module
06/26/2003US20030118303 Waveguide fiber dispersion compensating regenerator
06/26/2003US20030118280 Optical Transmission system
06/26/2003US20030118272 Optical switching equipment, optical transport network, and methods of using them
06/26/2003US20030118263 Real-time polarization mode dispersion characterization
06/26/2003US20030118030 Optical communication system and optical communication method
06/26/2003US20030117960 DVI link with circuit and method for test
06/26/2003US20030117696 Power stabilisation in an optical communication system
06/26/2003US20030117694 Optical fiber transmission system, raman gain control device and raman gain control method
06/26/2003US20030117693 Optical transmission system, optical repeater, and optical transmission method
06/26/2003US20030117692 Raman amplifier and optical transmission system
06/26/2003US20030117613 Method of measuring the error rate of an optical transmission system and apparatus for implementing the method
06/26/2003US20030117271 Switching device comprising local decoding means
06/26/2003US20030117196 Ultrahigh-speed clock extraction circuit
06/26/2003US20030116696 DC bias control circuit, optical receiver, and DC bias control method
06/26/2003CA2469832A1 Optical amplifier with multiple wavelength pump
06/26/2003CA2467508A1 Chromatic dispersin compensation
06/25/2003EP1322082A1 DC bias control circuit for an optical receiver
06/25/2003EP1322076A1 Switching device with means for local decoding
06/25/2003EP1322053A2 Optical transmission system, optical repeater, and optical transmission method
06/25/2003EP1322052A2 Supervisory signalling for optical communications equipment
06/25/2003EP1322006A1 Apparatus for detecting wavelength drift and method therefor
06/25/2003EP1320950A1 Raman amplifier
06/25/2003EP1320797A2 Beamcast (continuous data beaming system)
06/25/2003EP1320766A1 System and method for signal acquisition in a distance meter
06/25/2003EP1188263B1 Device for detecting polarization mode dispersions
06/25/2003EP1121774B1 Information system
06/25/2003EP0811279B1 Attenuation-free optical connection
06/25/2003CN2557967Y Mechanical type light switch
06/25/2003CN2557966Y Light switch
06/25/2003CN1426616A Universal controller for optical amplifier
06/25/2003CN1426189A Distributive wavelength reserving method
06/25/2003CN1426181A Exchange device including local decoder
06/25/2003CN1426180A Light wave length/mode converter
06/25/2003CN1426179A Method and its device for monitoring multiway wave length light power and light frequency based on wave guide array grating
06/25/2003CN1426178A Fault transfer device and method for acynchronous data communication network
06/25/2003CN1426177A Light receiving pre-amplifier
06/25/2003CN1426176A Burst type light receiver
06/25/2003CN1426175A Burst type light sender
06/25/2003CN1426174A Driving circuit for light-emitting element, and optic communication device using said driving circuit
06/25/2003CN1425949A Shift-out/adding channel filter and optical network with said filter
06/25/2003CN1425932A Device capable of simultaneously realizing optical filtering and dispersion compensation function
06/25/2003CN1425930A Double core photon crystal optical fibre
06/25/2003CN1112822C Mobile phone with remote control function and its remote control function treatment method
06/25/2003CN1112780C Bilateral zezo degree angle down and upper load optical wave division multiplex device
06/24/2003US6584511 Loop initialization procedure exception handling for fibre channel transmissions
06/24/2003US6584262 Method and apparatus for the optimization of dispersion map using slope-compensating optical fibers
06/24/2003US6583926 Optical amplifiers with age-based pump current limiters
06/24/2003US6583925 Efficient pumping for high power rare-earth doped fiber amplifiers
06/24/2003US6583924 Optical amplifier
06/24/2003US6583923 Optical fiber amplifier
06/24/2003US6583911 Optical communications by frequency content of femtosecond laser pulses
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