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)
02/2003
02/11/2003US6519081 Method of operating a noise-compensating gain controller for an optical amplifier
02/11/2003US6519069 Optoelectric converter
02/11/2003US6519068 Circuits and methods for achieving high signal-to-noise ratios and obtaining stabilized laser signals in dense wavelength division multiplexing systems
02/11/2003US6519067 Digital optical transmitter
02/11/2003US6519065 Chromatic dispersion compensation device
02/11/2003US6519061 Traffic switching between different wavelength multiplexed channels in optical communications systems
02/11/2003US6519059 Wavelength division add/drop multiplexer
02/11/2003US6518563 Detecting aging of optical components
02/11/2003CA2277409C Optical transmission system
02/11/2003CA2272786C Low-latency high-bandwidth tdm-wdm network architecture
02/11/2003CA2157828C Dispersion compensating optical fiber for wavelength division multiplex transmission
02/06/2003WO2003010968A1 Communication system using optical fibers
02/06/2003WO2003010929A1 Method and system for transmitting data from a first data network into a second data network
02/06/2003WO2003010926A1 Device grouping system, reception apparatus, management apparatus, device grouping method, program, and medium
02/06/2003WO2003010904A2 Upgrading of passive optical network
02/06/2003WO2003010586A2 Optical structure for the compensation of chromatic dispersion
02/06/2003WO2002077572A3 Sensor for a receiving device for cooperation with an optical fiber
02/06/2003WO2002071559A3 Dispersion compensating nonlinear polarization amplifiers
02/06/2003WO2002061977A3 Repetition coding for optical networks of computing devices
02/06/2003WO2002043340A9 Method and apparatus to identify and characterize nonlinearities in optical communications channels
02/06/2003WO2001065741A3 Optical multiple function bandwidth management systems
02/06/2003US20030028897 Technique for reverse transport of data in a hybrid fiber coax cable system
02/06/2003US20030028894 Access node for multi-protocol video and data services
02/06/2003US20030027597 Use of over-the-air optical link within a geographically distributed base station
02/06/2003US20030026566 Optical waveguide fiber for local access
02/06/2003US20030026543 Tunable wideband dispersion compensator
02/06/2003US20030026528 Wavelength division multiplexing optical transmission apparatus
02/06/2003US20030026527 Method and device for optical fiber transmission
02/06/2003US20030026524 Optical switching apparatus with optical reflection monitor and reflection monitoring system
02/06/2003US20030026517 Device having a light transmission device
02/06/2003US20030026301 Method and device for locking the wavelength of an optical signal
02/06/2003US20030026297 Minimum contention distributed wavelength assignment in optical transport networks
02/06/2003US20030026210 Communication network, path setting method, network management system and node
02/06/2003US20030025990 Method and system for controlling amplifier power in an optical communications network having add/drop capability
02/06/2003US20030025972 Multi-channel laser driver with individually programmable channels
02/06/2003US20030025971 Optical communications systems, devices, and methods
02/06/2003US20030025970 Method for dispersion compensation regulation
02/06/2003US20030025966 OSP hardened WDM network
02/06/2003US20030025965 Light wavelength-multiplexing systems
02/06/2003US20030025963 Method and apparatus for monitoring WDM optical signal
02/06/2003US20030025962 Wavelength division multiplexed optical interconnection device
02/06/2003US20030025961 Broadcast and select all optical network
02/06/2003US20030025959 Connection setup strategies in optical transport networks
02/06/2003US20030025958 Optical communication Method and Apparatus
02/06/2003US20030025957 Low cost, all electronic and unobtrusive method of implementing a wavelength supervisory channel for the control and management of individual and multiple wavelengths in an optical communication system
02/06/2003US20030025956 Protected DWDM ring networks using wavelength selected switches
02/06/2003US20030025926 Image processing apparatus and image processing method
02/06/2003US20030025799 Process for improving the view in vehicles
02/06/2003DE10134585C1 Mobile telephone for optical signal transmission has first and second sets of data-processing components interconnected for transmitting signals via a signal transmission track
02/06/2003CA2454274A1 Method and arrangement for transmission of data from a first data network to a second data network
02/05/2003EP1282331A1 Connection setup strategies in optical transport networks
02/05/2003EP1282255A1 System and method for automatic optimization of WDM optical communication systems
02/05/2003EP1282253A1 Minimum contention distributed wavelength assignment in optical transport networks
02/05/2003EP1282252A1 OSP hardened WDM network
02/05/2003EP1282247A1 Wavelength division multiplexing optical transmission system using a spectral inversion device
02/05/2003EP1282246A2 Optical repeating system and optical amplifying repeater control method
02/05/2003EP1282207A1 Light transmitter
02/05/2003EP1282097A2 Method for improving visibility, in particular in vehicles
02/05/2003EP1281290A2 Transmission of data
02/05/2003EP1281251A2 Polarization mode dispersion (pmd) compensator
02/05/2003EP1281250A1 Nonlinear device comprising a spectrally broadening fiber
02/05/2003EP1281220A1 Laser pulse shaping device
02/05/2003EP1281218A1 Method for controlling performance of optical amplifiers
02/05/2003EP1034629B1 Method for adjusting the level of optical signals
02/05/2003EP1029400B1 Optical wavelength converter
02/05/2003EP0944974B1 Asynchronous full duplex communications over a single channel
02/05/2003CN2534739Y Array wave guide optical grating
02/05/2003CN1395771A Attenuator integrated with modulator and transmitting module for WDM system using the same
02/05/2003CN1395382A Line protection reverse method in high-speed parallel optical transmission system
02/05/2003CN1395381A Radio electronic friend-selecting machine
02/05/2003CN1395371A Burst mode receiving device with offset compensation function and its data reconstruction method
02/05/2003CN1395122A Multichannel extendible micromechanical optical switch array
02/05/2003CN1395121A Negative dispersion monomode optical fibre
02/04/2003US6516119 Device and system for wavelength monitoring
02/04/2003US6516113 Method for reducing stimulated brillouin backscatter
02/04/2003US6516112 Optical wavelength filter and demultiplexer
02/04/2003US6516110 Optical cross-connector
02/04/2003US6516106 Subtracting analog noise from an optical communication channel using stable, non-absorbing optical hard limiters
02/04/2003US6516026 Data transmission equipment
02/04/2003US6515962 Hit-less switching pointer aligner apparatus and method
02/04/2003US6515796 Saturated amplifier generating burst support signal
02/04/2003US6515793 Optical waveform shaper
02/04/2003US6515788 Light modulation system including a superconductive plate assembly for use in a data transmission scheme and method
02/04/2003US6515779 Method and system for compensating for chromatic dispersion in an optical network
02/04/2003US6515778 Polarization mode dispersion compensation
02/04/2003US6515777 Ring gain control in WDM optical signal transmission system
02/04/2003US6515307 Bidirectional optical semiconductor apparatus
02/04/2003US6515276 Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction
02/04/2003US6513993 Optical communications device
02/04/2003CA2276776C Multi-stage fiber amplifier with flattened gain curves
02/04/2003CA2203215C An acousto-optical waveguide device with compensation of polarization mode dispersion
01/2003
01/30/2003WO2003009527A2 Access node for multi-protocol video and data services
01/30/2003WO2003009497A1 High-speed optical data links
01/30/2003WO2003009438A2 Wavelength division multiplex optical wavelength converter
01/30/2003WO2003009398A2 Structure and method for fabricating an optical bus
01/30/2003WO2002100007A3 Device for hybrid connection between optical fibres and lines transporting electric signals, and network incorporating same
01/30/2003WO2002093528A9 Economical extension of the operating distance of an rf remote link accommodating information signals having differing carrier frequencies
01/30/2003WO2002093527A9 Economical extension of the operating distance of an rf remote link accommodating ir remote controls having differing ir carrier frequencies
01/30/2003WO2002084900A3 3r regenerator with wavelength conversion
01/30/2003WO2001086849A3 Optical polarization division multiplexer
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