| 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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| 01/08/2002 | CA2212759C Optical monitoring and test access module |
| 01/08/2002 | CA2197382C Atm switching system with distribution networks for varying traffic patterns |
| 01/07/2002 | CA2352113A1 Optical modulator and method for polarization bit interleaving |
| 01/06/2002 | CA2350525A1 Gain equalizer |
| 01/03/2002 | WO2002001766A1 Chromatic dispersion compensation in a broadband optical transmission system |
| 01/03/2002 | WO2002001765A2 Optical power and wavelength monitor |
| 01/03/2002 | WO2002001764A2 Dispersion compensating device |
| 01/03/2002 | WO2002001725A1 Optical transmitter and code converting circuit used therefor |
| 01/03/2002 | WO2002001684A1 Optical amplifier device |
| 01/03/2002 | WO2002001282A1 Method and arrangement in connection with optical bragg-reflectors |
| 01/03/2002 | WO2001076166A3 Bidirectional transmission over a single optical fiber using different codes for upstream and downstream |
| 01/03/2002 | WO2001067658A3 Multi-filter cavity optical channel monitoring system |
| 01/03/2002 | WO2001056203A3 Cross-connect protection |
| 01/03/2002 | US20020001444 Optical fiber, optical transmission line and dispersion compensating module |
| 01/03/2002 | US20020001433 Arrayed waveguide grating and optical communication system using arrayed waveguide grating |
| 01/03/2002 | US20020001430 Apparatus and method for compensation of chromatic dispersion in optical fibers |
| 01/03/2002 | US20020001361 Semiconductor integrated circuit and optical transfer unit |
| 01/03/2002 | US20020001124 Optical amplification method and device usable with bands other than the C-band |
| 01/03/2002 | US20020001121 Light modulation system including a superconductive plate assembly for use in a data transmission scheme and method |
| 01/03/2002 | US20020001116 Optical transmission apparatus and bias voltage control method for the optical modulator |
| 01/03/2002 | US20020001113 Multiplex transmission apparatus |
| 01/03/2002 | US20020000792 Cordless power transmission system, power transmission terminal and electrical appliance |
| 01/03/2002 | DE10029336A1 Breitbandige optische Lichtquelle, Verwendung einer breitbandigen optischen Lichtquelle sowie Verfahren zum Demultiplexen Broadband optical light source, using a broadband optical light source and method for demultiplexing |
| 01/03/2002 | DE10024238A1 Verfahren zur Qualitäts-und Identitätskontrolle von Wellenlängenkanälen in optischen Übertragungsnetzen A method for quality control and identity of wavelength channels in optical transmission systems |
| 01/03/2002 | CA2413106A1 Method and arrangement in connection with optical bragg-reflectors |
| 01/03/2002 | CA2381793A1 Optical power and wavelength monitor |
| 01/02/2002 | EP1168741A2 Determination of a discrimination threshold in an optical transmission system |
| 01/02/2002 | EP1168697A2 Multiplex transmission apparatus |
| 01/02/2002 | EP1168695A1 Fibre optic underwater transmission network |
| 01/02/2002 | EP1168688A2 Method and transceiver for through-air optical communications |
| 01/02/2002 | EP1168687A2 Bidirectional signal transmission device using light |
| 01/02/2002 | EP1168686A1 Bi-directional optical transmission using dual channel bands |
| 01/02/2002 | EP1168685A1 Chromatic dispersion compensation in a wideband optical transmission system |
| 01/02/2002 | EP1168684A2 Apparatus for detecting Raman scattering in an optical transmission system |
| 01/02/2002 | EP1168683A2 Method and system for supervision of an optical amplifier repeater system |
| 01/02/2002 | EP1168682A2 Radio-frequency transmitter with function of distortion compensation for optical transmission |
| 01/02/2002 | EP1168681A2 Method and apparatus for transmitting high-frequency signals in an optical communication system |
| 01/02/2002 | EP1168680A2 Method and apparatus for analyzing wavelength-division multiplexed signal light |
| 01/02/2002 | EP1168679A1 Passive polarisation stabiliser |
| 01/02/2002 | EP1168677A2 Optical data bus communication in an artificial satellite |
| 01/02/2002 | EP1168534A2 Method and apparatus for reduction of electrical cross-talk and wave length chirp in a distributed bragg reflector laser |
| 01/02/2002 | EP1168041A2 Optical transmission apparatus and bias voltage control method for the optical modulator |
| 01/02/2002 | EP1168040A2 Optical modulation system |
| 01/02/2002 | EP1168038A2 Optical frequency doubling device and bias control method for such a device |
| 01/02/2002 | EP1167943A2 Detecting aging of optical components |
| 01/02/2002 | EP1166487A1 Method and arrangement for measuring the signal quality in an optical transmission system |
| 01/02/2002 | EP1166475A1 A receiver transponder for protected networks |
| 01/02/2002 | EP1166474A1 Method using photonic crystals for the dispersion compensation of optical signals of different wavelengths which are transmitted together |
| 01/02/2002 | EP1166472A1 Communications network |
| 01/02/2002 | EP1166471A1 Improved circuit design and optics system for infrared signal transceivers |
| 01/02/2002 | EP1166470A1 Network switch for failure restoration |
| 01/02/2002 | EP1166469A2 Atmospheric optical communication |
| 01/02/2002 | EP0885495A4 Controlling correlated quantum state probability distributions |
| 01/02/2002 | CN1329382A Optical monitor, filter and optical assembly |
| 01/02/2002 | CN1329267A Amplifier of wavelength division multiplexing system and method for amplifying light signal |
| 01/02/2002 | CN1077371C Insertion-extraction optical frequency division multiplexer |
| 01/02/2002 | CN1077365C Bidirectional optical telecommunication system and method |
| 01/01/2002 | US6336201 Synchronization in a communications system with multicarrier telephony transport |
| 01/01/2002 | US6336142 Methods and apparatus for downloading data between an information processing device and an external device via a wireless communications technique |
| 01/01/2002 | US6335819 All-optical regeneration at high bit rates using an electroabsorption modulator |
| 01/01/2002 | US6335815 Optical receiver |
| 01/01/2002 | US6335814 Optical transmission system and optical transmitter and optical receiver used therefor |
| 01/01/2002 | US6335813 Device for formatting binary optical signals |
| 01/01/2002 | US6335812 Communication terminal apparatus and a method |
| 01/01/2002 | US6335811 Optical space communication apparatus |
| 01/01/2002 | US6335810 Optical ADM apparatus and an ADM optical transmission system including the optical ADM apparatus |
| 01/01/2002 | US6335658 Demodulation circuit |
| 01/01/2002 | CA2233291C Optical communication system |
| 01/01/2002 | CA2102644C Spontaneous emission source having high spectral density at a desired wavelength |
| 01/01/2002 | CA2054661C Portable electronic apparatus |
| 12/30/2001 | CA2344956A1 System comprising optical semiconductor waveguide device |
| 12/28/2001 | CA2350092A1 Method and apparatus for reduction of electrical cross-talk and wave length chirp in a distributed bragg reflector laser |
| 12/27/2001 | WO2001099352A1 Optical multiple branching communicate system, parent station device used therefore, child station device, optical multiple branching communication band control method |
| 12/27/2001 | WO2001099351A1 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method |
| 12/27/2001 | WO2001099319A1 Submarine optical fibre transmission network |
| 12/27/2001 | WO2001098808A1 Dynamically configurable backplane |
| 12/27/2001 | WO2001047153A3 Optical fibre transmission with noise reduction by non-linear hop of signals |
| 12/27/2001 | US20010055437 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels without separate composition for each individual channel |
| 12/27/2001 | US20010055436 Optical fiber, dispersion compensator using optical fiber, optical transmission line using optical fiber, and optical transmission system using optical fiber |
| 12/27/2001 | US20010055353 Method and apparatus for amplitude and pulse modulation |
| 12/27/2001 | US20010055148 Optical wavelength converter and optical wavelength division multiplexing communication system using the same |
| 12/27/2001 | US20010055141 Reciprocating optical modulation system |
| 12/27/2001 | US20010055137 Method and apparatus for transmitting high-frequency signals in optical communication system |
| 12/27/2001 | US20010055136 Optical data transmission method and its system, optical transmitter and its method, and optical switcher |
| 12/27/2001 | US20010055135 Optical network element |
| 12/27/2001 | US20010055133 Method and apparatus to determine a discrimination threshold of a received signal, and an optical transmission system |
| 12/26/2001 | CN1328729A WDM-channel equalizer |
| 12/26/2001 | CN1328637A Optical phase detector |
| 12/26/2001 | CN1076909C Infrared space communication system capable of reducing process quantities of data communication device during communication |
| 12/25/2001 | US6334219 Channel selection for a hybrid fiber coax network |
| 12/25/2001 | US6334011 Ultrashort-pulse source with controllable multiple-wavelength output |
| 12/25/2001 | US6334009 Optical signal switching apparatus |
| 12/25/2001 | US6333930 Subscriber interface for a fiber optic communications terminal |
| 12/25/2001 | US6333808 Optical signal scrambling |
| 12/25/2001 | US6333807 Optical filter |
| 12/25/2001 | US6333806 Variable optical attenuator which applies a magnetic field to a Faraday element to rotate the polarization of a light signal |
| 12/25/2001 | US6333805 Optical output control circuit |
| 12/25/2001 | US6333804 Optical module for receiving optical signal from optical fiber |
| 12/25/2001 | US6333803 Optical transmitter |
| 12/25/2001 | US6333802 Digital signal transmission apparatus |