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) |
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03/14/2002 | US20020030876 Multiplex optical communication system |
03/14/2002 | US20020030875 Method for requesting grant for MAC protocol in PON |
03/14/2002 | US20020030874 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals |
03/14/2002 | US20020030873 Method and transceiver for through-air optical communications |
03/14/2002 | US20020030872 Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
03/14/2002 | US20020030871 Low power portable communication system with wireless receiver and methods regarding same |
03/14/2002 | US20020030870 Radio base station system and central control station with unified transmission format |
03/14/2002 | US20020030869 Optical cross connect unit, optical add-drop multiplexer, light source unit, and adding unit |
03/14/2002 | US20020030868 Monitoring of signal wavelengths in optical fiber |
03/14/2002 | US20020030865 Optical distribution network system that performs system switching only when total operation condition is improved |
03/14/2002 | US20020030186 Quantum circuit |
03/14/2002 | DE10040791A1 Verfahren und Vorrichtung zur Bestimmung und Kompensation der Verkippung des Spektrums in einer Lichtleitfaser einer Datenübertragungsstrecke Method and apparatus for determining and compensating for the tilt of the spectrum in an optical fiber of a data transmission path |
03/14/2002 | CA2421522A1 Active equipment protection methods and apparatus |
03/14/2002 | CA2421365A1 Pump power monitor system and method for gain control of optical amplifier |
03/14/2002 | CA2421310A1 Dispersion map for slope compensating fibers |
03/14/2002 | CA2421125A1 Negative-dispersion optical fiber and optical transmission line incorporating the same |
03/14/2002 | CA2420447A1 Optical signal transmitter and optical signal transmitting method |
03/14/2002 | CA2357246A1 Modulator and method of modulating optical carrier with clock signal before or after the carrier is modulated with data pulse |
03/13/2002 | EP1187508A2 Method, network and packet router for optical routing using multiple wavelength labels |
03/13/2002 | EP1187383A2 Timing circuitry for muxing/demuxing of optical communication signals |
03/13/2002 | EP1187374A1 Bit-rate-independent optical receiver |
03/13/2002 | EP1187373A2 Bit rate detection circuit and algorithm for optical networks |
03/13/2002 | EP1187372A2 Apparatus and method for bit rate control of optical receiver |
03/13/2002 | EP1187276A2 Optical amplifier for wide band raman amplification of wavelength division multiplexed (WDM) signal lights |
03/13/2002 | EP1187152A2 Rotary contactless connector and non-rotary contactless connector |
03/13/2002 | EP1186919A1 Optical fiber and optical transmission line comprising the same |
03/13/2002 | EP1186132A2 Optical amplifier having substantially uniform spectral gain |
03/13/2002 | EP1186131A2 Method and system for increasing a number of information channels carried by optical waveguides |
03/13/2002 | EP1021873A4 System for providing location-specific data to a user |
03/13/2002 | EP0950326A4 Wireless communications station and system |
03/13/2002 | EP0917726A4 Photonic heterodyning having an image component separator |
03/13/2002 | CN2482283Y Optic wavelength division multiplex device |
03/13/2002 | CN2482280Y Fibre-optic signal joint |
03/13/2002 | CN1339891A Light add and drop multiplexer for multi-wave length adaptive light power equalization |
03/13/2002 | CN1339889A Optic transmission system |
03/12/2002 | US6356684 Adjustable optical fiber grating dispersion compensators |
03/12/2002 | US6356680 Method and system for removal of low order optical transmission modes to improve modal bandwidth in a multimode optical fiber computer network |
03/12/2002 | US6356387 Tellurite glass, optical amplifier, and light source |
03/12/2002 | US6356386 Method and apparatus for stabilizing transient control in amplified optical networks |
03/12/2002 | US6356385 Inhomogeneous broadening to modify the gain of an optical amplifier |
03/12/2002 | US6356384 Broadband amplifier and communication system |
03/12/2002 | US6356383 Optical transmission systems including optical amplifiers apparatuses and methods |
03/12/2002 | US6356382 Optical wavelength converter with active waveguide |
03/12/2002 | US6356375 Apparatus and method for an integrated photodiode in an infrared receiver |
03/12/2002 | US6356374 Digital optical transmitter |
03/12/2002 | US6356369 Digital optical transmitter for processing externally generated information in the reverse path |
03/12/2002 | US6356368 Optical supervisory transmission signal control device |
03/12/2002 | US6356367 Open fiber control propagation in multi-link fiberoptic connections |
03/12/2002 | US6356251 Matrix type liquid-crystal display with optical data communication feature |
03/12/2002 | US6355936 Circuit for electrical insulation between a two-way bus and a peripheral circuit |
03/07/2002 | WO2002019588A1 An optical communication network |
03/07/2002 | WO2002019576A2 Optical transmission link with low slope, raman amplified fiber |
03/07/2002 | WO2002019575A2 Method and apparatus for determining a fiber plant gain transfer function to control distributed gain |
03/07/2002 | WO2002019574A1 All-optical regenerator for wavelength-division multiplexed signals |
03/07/2002 | WO2002019573A2 System and method for transmitting information modulated radio frequency signals using infrared transmission |
03/07/2002 | WO2002019572A1 Method for starting up optical communication system, method for extending/reducing channels, and computer readable recorded medium |
03/07/2002 | WO2002019571A1 Shared multi-channel optical interface |
03/07/2002 | WO2002019570A1 Method and device for protecting a centralised wdm optical ring network transporting data flow in connected mode |
03/07/2002 | WO2002019023A1 Light amplifier using raman amplification and control method thereof |
03/07/2002 | WO2002019016A1 High performance polarization controller and polarization sensor |
03/07/2002 | WO2002019001A2 Compensation and control of both first-order and higher-order polarization-mode dispersion |
03/07/2002 | WO2002018999A1 Network healing smart fiber optic switch |
03/07/2002 | WO2001076022A3 Optical amplifier |
03/07/2002 | WO2001067646A3 Optical channel monitoring system with self-calibration |
03/07/2002 | WO2001065739A3 Gain control in optical amplifiers |
03/07/2002 | WO2001065738A3 Optical communication system |
03/07/2002 | WO2001056212A3 Digital signal processing optical transmitter |
03/07/2002 | US20020028052 Dispersion map for slope compensating fibers |
03/07/2002 | US20020028049 Optical networking unit employing optimized optical packaging |
03/07/2002 | US20020028048 Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
03/07/2002 | US20020028043 Wireless optical communications without electronics |
03/07/2002 | US20020028039 4-port wavelength selective router |
03/07/2002 | US20020028035 Optical switch changeover controlling method, optical node device and optical switch system |
03/07/2002 | US20020027865 Low-birefringence optical fiber for use in an optical data storage system |
03/07/2002 | US20020027703 Optical amplifier |
03/07/2002 | US20020027695 Bit-rate-independent optical receiver |
03/07/2002 | US20020027694 Self-healing apparatus and method of optical receiver |
03/07/2002 | US20020027692 Bit-phase synchronized optical pulse stream local generator |
03/07/2002 | US20020027691 Wireless optical communications without electronics |
03/07/2002 | US20020027690 Fiber optic transceiver employing analog dual loop compensation |
03/07/2002 | US20020027689 Fiber optic transceiver employing front end level control |
03/07/2002 | US20020027688 Fiber optic transceiver employing digital dual loop compensation |
03/07/2002 | US20020027687 Method and an amplifier unit for the transmission of data signals via an optical fiber |
03/07/2002 | US20020027686 Method for routing optical packets using multiple wavelength labels, optical packet router using multiple wavelength labels, and optical packet network that uses multiple wavelength labels |
03/07/2002 | US20020027685 Bidirectional add/drop multiplexer |
03/07/2002 | US20020027684 Optical transmission of error control data |
03/07/2002 | US20020027682 Optical distribution network system with large usable bandwidth for DBA |
03/07/2002 | US20020027472 Multi-stage bidirectional optical amplifier |
03/07/2002 | US20020027230 Optical tansmitting and receiving device and the manufacturing method |
03/07/2002 | DE10041499A1 Optischer Kanalüberwachungschip Optical channel monitor chip |
03/07/2002 | DE10040472A1 Optical amplifier arrangement e.g. for WDM transmission systems, has variable adjustable attenuator with adjustable slope of attenuation spectrum |
03/07/2002 | DE10040446A1 Cascadable optical amplifier apparatus has power amplification stage with own active fiber and pump signal sources |
03/07/2002 | DE10039951A1 Method for compensating cross-phase modulation in optical fiber amplifiers, involves obtaining control signal from optical wave-length multiplex signal and controlling the phase-modulator to which wave-length multiplex signal is supplied |
03/07/2002 | DE10039950A1 Bidirektionaler optischer Verstärker Bidirectional optical amplifier |
03/06/2002 | EP1185129A2 Optical distribution network system that performs system switching only when total operation condition is improved |
03/06/2002 | EP1185126A2 Optical distribution network system with large usable bandwidth for DBA |
03/06/2002 | EP1185017A1 An optical communication network |
03/06/2002 | EP1185008A2 An optical signal processor |
03/06/2002 | EP1185007A2 Method, device, and system for processing optical signals |
03/06/2002 | EP1185006A2 Optical transmitter with bandwidth restriction |