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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07/26/2000 | EP1021873A1 System for providing location-specific data to a user |
07/26/2000 | CN2389447Y 100 M bps optical fibre receiving/transmitting apparatus for communication of computer Ethernet |
07/26/2000 | CN2389446Y 10 M bps optical fibre receiving/transmitting apparatus for communication of computer Ethernet |
07/26/2000 | CN1261227A Apparatus for image signal transmission |
07/26/2000 | CN1261226A Light emitting circuit with compatibility of conventional mode with burst mode |
07/26/2000 | CN1261164A Optical filter, and device and method for monitoring optical channels thereby |
07/25/2000 | US6094519 Gain equalizing device |
07/25/2000 | US6094296 Optical amplification apparatus |
07/25/2000 | US6094285 All optical RF signal channelizer |
07/20/2000 | WO2000042727A1 Optical communications networks utilizing frequency division multiplexing |
07/20/2000 | WO2000042721A1 Radio frequency receiver circuit |
07/20/2000 | WO2000042720A1 Optical fibre transmission system with chromatic dispersion compensation |
07/20/2000 | WO2000042719A1 Apparatus and method for improved connectivity in wireless optical communication systems |
07/20/2000 | WO2000021230A3 Wdm transmitter and receiver |
07/20/2000 | WO2000020899A3 Flexible, modular, compact fiber optic switch |
07/20/2000 | CA2360873A1 Optical communications networks utilizing frequency division multiplexing |
07/20/2000 | CA2360403A1 Radio frequency receiver circuit |
07/20/2000 | CA2296142A1 Emergency equipment for wavelength multiplexed sources |
07/20/2000 | CA2292439A1 Duplex optical transmission system |
07/19/2000 | EP1021004A1 Method and apparatus for the stabilization of optical solitons |
07/19/2000 | EP1019991A1 Optical amplifier apparatus |
07/19/2000 | EP1019798A2 Method and apparatus for detecting the presence of a remote device and providing power thereto |
07/19/2000 | EP1019763A1 Fiber optic rotary joint |
07/19/2000 | EP1019164A1 System for and method of processing data, and apparatus and method of sending and receiving data |
07/19/2000 | EP0988663A4 Communications system |
07/19/2000 | EP0931370A4 Lossless optical transmission system architecture |
07/19/2000 | CN1260926A NxM optical wavelength routing switch |
07/19/2000 | CN1260480A Optical signal monitoring apparatus and method |
07/19/2000 | CA2293934A1 Free space optical broadband access system |
07/18/2000 | US6091864 Linear optical modulator for providing chirp-free optical signals |
07/18/2000 | US6091747 Circuit and method for driving laser diode |
07/18/2000 | US6091740 Bandwidth management method and circuit, communication apparatus, communication system, and dual-queue network unit |
07/18/2000 | US6091542 Optical fiber amplifier for amplifying signal lights propagating in two opposite directions |
07/18/2000 | US6091541 Multichannel 3-stage optical fiber amplifier |
07/18/2000 | US6091540 Optical amplifier |
07/18/2000 | US6091539 Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus |
07/18/2000 | US6091538 Gain equalizing apparatus |
07/18/2000 | US6091535 Optical transmitter and optical transmission system with switchable chirp polarity |
07/18/2000 | US6091531 Differential charge and dump optoelectronic receiver |
07/18/2000 | US6091530 Low power infrared communication system |
07/18/2000 | US6091529 Channel allocation method in connection with data transmissions in the optical frequency range |
07/18/2000 | US6091528 Optical communication system of space propagation type |
07/18/2000 | US6091527 Communications device having an optical bus, and a method for controlling its operation |
07/18/2000 | US6091526 Light source device for frequency division multiplexed optical communications |
07/18/2000 | US6091525 Spectral monitoring device and method using data correlation for WDM systems |
07/18/2000 | US6091523 Multi-channel receiver |
07/18/2000 | US6091495 Optical interferometer and signal synthesizer using the interferometer |
07/18/2000 | US6091074 System for directing a laser beam toward an active area |
07/18/2000 | US6091073 Optoelectric coupler |
07/18/2000 | US6091025 Electrically optimized hybird "last mile" telecommunications cable system |
07/18/2000 | CA2139092C Receiving system having a large dynamic range |
07/13/2000 | WO2000041430A1 Wavelength-modular optical cross-connect switch |
07/13/2000 | WO2000041351A2 Monitoring of signal wavelengths in optical fibre |
07/13/2000 | WO2000041349A2 A method and coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing |
07/13/2000 | WO2000041346A1 Optical amplifier with power dependent feedback |
07/13/2000 | WO2000041345A1 Measuring the signal quality in digital optical fiber transmission networks by evaluating the signal histogram |
07/13/2000 | WO2000041344A1 Polarization mode dispersion compensation via an automatic tracking of a principal state of polarization |
07/13/2000 | WO2000041274A1 A switch or connector |
07/13/2000 | WO2000041012A1 Bandwidth-variable optical filter |
07/13/2000 | WO2000040892A1 Lighting system |
07/13/2000 | WO2000018042A3 Tuneable add/drop multiplexer |
07/13/2000 | WO1999014915A8 Process scheduling in computer network |
07/13/2000 | WO1999012297A9 Arrangement and method relating to optical transmission |
07/13/2000 | CA2358386A1 Wavelength-modular optical cross-connect switch |
07/13/2000 | CA2358185A1 Polarization mode dispersion compensation via an automatic tracking of a principal state of polarization |
07/13/2000 | CA2357496A1 Optical amplifier with power dependent feedback |
07/12/2000 | EP1018812A1 Optical fiber WDM transmission system with chromatic dispersion compensation |
07/12/2000 | EP1018666A1 Raman amplifier, optical repeater, and raman amplification method |
07/12/2000 | EP1018656A1 Optical fibre with low slope of chromatic dispersion |
07/12/2000 | EP1018229A1 Device for transmission of optical signals and monitoring signals |
07/12/2000 | EP1018195A1 Optical amplifier with actively controlled spectral gain and fiber light source with desired output spectrum |
07/12/2000 | CN1259809A Bilateral zero degree angle down and upper load optical wave division and composite use parts |
07/12/2000 | CN1259806A Polarization dispersion method used in one wavelength-division multiplex signals to compensate other information channels |
07/12/2000 | CN1259804A Vehicle carried hand-free telephone system |
07/12/2000 | CN1054440C Suppression of noise and distortion in fiberoptic systems |
07/11/2000 | US6088730 Methods and apparatus for downloading data between an information processing device and an external device via a wireless communications technique |
07/11/2000 | US6088500 Expanded mode wave guide semiconductor modulation |
07/11/2000 | US6088497 Apparatus and method for tapping optical transmissions for analysis of optical protocols |
07/11/2000 | US6088381 System for transporting frequency hopping signals |
07/11/2000 | US6088152 Optical amplifier arranged to offset Raman gain |
07/11/2000 | US6088147 Method and apparatus for transmitting signals in an optical fiber |
07/11/2000 | US6088144 Detection of frequency-modulated tones in electromagnetic signals |
07/11/2000 | US6088143 Remote infrared password key system and methods for controlling the same |
07/11/2000 | US6088142 System and method for precision wavelength monitoring |
07/11/2000 | US6088141 Self-healing network |
07/11/2000 | US6087899 Optical transmitter module, and semiconductor integrated circuit capable of increasing gain and band of amplifier constructed from FET |
07/11/2000 | US6086209 Mirror holder and optical axis correcting device using the same |
07/06/2000 | WO2000039629A2 Acousto-optical device |
07/06/2000 | WO2000039614A1 Optical communication apparatus |
07/06/2000 | WO2000013350A3 Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems |
07/06/2000 | DE19962603A1 Motor bike communication device, with loudspeaker and microphone built into helmet worn by driver or pillion passenger and with infrared transmitter/receiver |
07/06/2000 | CA2357017A1 Acousto-optical device |
07/05/2000 | EP1017245A2 Transmission system, and station unit and remote units to be used therein |
07/05/2000 | EP1017243A2 Optical switch and optical switched network |
07/05/2000 | EP1017192A1 Automatic protection system for an optical transmission system |
07/05/2000 | EP1016884A2 Interferometric optical device including an optical resonator |
07/05/2000 | EP1016316A1 Method or wireless transmission of audio signals, audio equipment and audio playback device |
07/05/2000 | EP1016252A2 Process scheduling in computer network |
07/05/2000 | EP1016244A2 Communications network |
07/05/2000 | EP1016243A1 Distributed ethernet hub |