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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12/15/2004 | EP1487242A2 Electric circuit for direct modulated semiconductor radiation source |
12/15/2004 | EP1487138A1 Apparatus comprising optical circuits linked to an optical fibre cable |
12/15/2004 | EP1487137A1 Polarization-shaped duobinary optical transmission apparatus |
12/15/2004 | EP1487136A2 Asymmetric broadband optical wireless network |
12/15/2004 | EP1486805A1 Large-effective-area inverse dispersion compensating fiber, and transmission line incorporating the same |
12/15/2004 | EP1486014A2 Optically powered and controlled optical switch |
12/15/2004 | EP1486013A1 System and method for configuring a home appliance communications network |
12/15/2004 | EP1485976A2 Absolutely calibrated periodic filters and sources |
12/15/2004 | EP1384098A4 Method of operating a noise-compensating gain controller for an optical amplifier |
12/15/2004 | EP1377927A4 Information card system |
12/15/2004 | EP1157488B1 Method and system for optimising the pulse form of an amplitude modulated optical signal |
12/15/2004 | EP1060426A4 An optical device for dispersion compensation |
12/15/2004 | EP0917784B1 Method for optimising a mostly optical network |
12/15/2004 | CN2664296Y Monitoring circuit for optical transmitting-receiving integrated module |
12/15/2004 | CN1555163A Recovering method for optical transmission circular network wrong connection business |
12/15/2004 | CN1555147A Integrated dynamic light add and drop multiplexer module based on filter wave light switch unit |
12/15/2004 | CN1555141A Device and method for realizing flexible networking used in time division duplex synchronous system |
12/15/2004 | CN1555140A 遥控器 Remote Control |
12/15/2004 | CN1555139A Control method and control circuit of output light power and extinction ratio of light transmitter |
12/15/2004 | CN1555099A Photoelectric detector for 650nm optical fiber communication and its producing method |
12/15/2004 | CN1554965A Return-to-zero double stage photoelectric external modulator of parallel structure |
12/15/2004 | CN1554960A Wave guide type light adjustable attenuator and its compensating method for polarizing relative loss |
12/15/2004 | CN1180578C Automatic protecting switch controller for optical self-healing ring and its control method |
12/15/2004 | CN1180549C Polarization dispersion system used in wavelength-division multiplex signals to compensate other information channels |
12/15/2004 | CN1180548C Optical transmitting unit and system |
12/15/2004 | CN1180283C Optical attenuator with double control loop |
12/15/2004 | CN1180281C Single-mode optical fiber and its prepn and use |
12/14/2004 | US6832054 High speed optical receiver implemented in one chip |
12/14/2004 | US6832053 Delayed interference wavelength converter and/or 2R regenerator |
12/14/2004 | US6832052 Optical transponder |
12/14/2004 | US6832051 Dispersion managed optical transmission links for wavelength division multiplexed systems |
12/14/2004 | US6832050 Method and system for reducing intra-channel nonlinear effects in highly dispersed optical pulse transmission |
12/14/2004 | US6832048 Dispersion compensation apparatus and a dispersion compensation system |
12/14/2004 | US6832047 Optical transmission system for frequency-multiplexed signal |
12/14/2004 | US6832020 Variable wavelength dispersion compensator |
12/14/2004 | US6832017 Bidirectional add/drop multiplexer and bidirectional add/drop amplifier module for band-split bidirectional networks |
12/14/2004 | US6831777 Optical transmission system and method |
12/14/2004 | US6831775 Method and apparatus for wavelength conversion |
12/14/2004 | US6831774 Multi-wavelength generating method and apparatus based on flattening of optical spectrum |
12/14/2004 | CA2361527C Opto-electronic oscillators having optical resonators |
12/14/2004 | CA2173942C A cross-connect for an optical network |
12/09/2004 | WO2004107798A1 Optical burst switch network system and method with just-in-time signaling |
12/09/2004 | WO2004107629A2 Method and system for determining the gain for an optical signal |
12/09/2004 | WO2004107628A1 A light source cable of lasing that is wavelength locked by an injected light signal |
12/09/2004 | WO2004107627A1 A method for conveying management information |
12/09/2004 | WO2004107626A1 Optical wavelength multiplex access system |
12/09/2004 | WO2004107625A1 Method and system for identification of channels in an optical network |
12/09/2004 | WO2004107616A2 System and method of optical data communication with multiple simultaneous emitters and receivers |
12/09/2004 | WO2004107611A1 Laser diode extinction ratio control method and circuit, integrated circuit, transmitter, and communication system |
12/09/2004 | WO2004107610A1 Signal waveform deterioration compensator |
12/09/2004 | WO2004107510A2 Laser pulse generator |
12/09/2004 | WO2004107037A1 Deep ultraviolet unit-magnification projection optical system and projection exposure apparatus |
12/09/2004 | WO2004106997A2 Laser driver circuit and system |
12/09/2004 | WO2004106883A1 Vehicle tag used for transmitting vehicle telemetry data, system and method for transmitting vehicle telemetry data |
12/09/2004 | WO2004019072A3 Interface between terrestrial optical terminal and undersea optical transmission path |
12/09/2004 | US20040249557 Vehicle tag used for transmitting vehicle telemetry data |
12/09/2004 | US20040249485 Intelligent sensor platform |
12/09/2004 | US20040247327 Optical receiver having an open loop automatic gain control circuit |
12/09/2004 | US20040247326 Signal light transmitter including variable optical attenuator |
12/09/2004 | US20040247325 Phase modulation circuit, test apparatus, and communication system |
12/09/2004 | US20040247324 Filtered three-level transmitter |
12/09/2004 | US20040247323 Illuminator including optical transmission mechanism |
12/09/2004 | US20040247320 Optical communication system with suppressed SBS |
12/09/2004 | US20040247319 Characterization of a transmission path of an optical signal having an optical communication signal |
12/09/2004 | US20040247318 Optical network system and controller |
12/09/2004 | US20040247316 System and method for performing in-service fiber optic network certification |
12/09/2004 | US20040247314 Optical communication system |
12/09/2004 | US20040247313 Media converter |
12/09/2004 | US20040247312 Optical communication system |
12/09/2004 | US20040247270 Optical transmission line and optical transmission system |
12/09/2004 | US20040247246 Optical power equalizer in a passive optical network |
12/09/2004 | US20040247238 Spatially resolved equalization and forward error correction for multimode fiber links |
12/09/2004 | US20040247234 Optical bypass method and architecture |
12/09/2004 | US20040247233 Method of providing a low cost semiconductor transmitter photonic integrated circuit (TxPIC) chip |
12/09/2004 | US20040247057 Automatic gain control apparatus with short settling time |
12/09/2004 | US20040246568 Optical amplifier having polarization mode dispersion compensation function |
12/09/2004 | US20040246567 Gain-clamped optical amplifier |
12/09/2004 | US20040246566 Optical transmission system |
12/09/2004 | US20040246477 Optical spectrum analyzer |
12/09/2004 | US20040246466 Method and apparatus for channel detection |
12/09/2004 | US20040245436 Light-receiving circuit capable of compensating a temperature dependence of an optical sensitivity of a photodiode |
12/09/2004 | DE10320814A1 Verfahren zur optischen Übertragung von digitalen Signalen A method for optical transmission of digital signals |
12/09/2004 | DE10320333A1 Electric circuit for directly modulated semiconducting radiation source has circuit arrangement that reduces or inhibits peaking of falling signal edge if flux voltage falls below defined value |
12/09/2004 | CA2526463A1 A method for conveying management information |
12/08/2004 | EP1484938A1 Infrared steering method and infrared steering system |
12/08/2004 | EP1484852A2 Free-space optical communication system |
12/08/2004 | EP1484851A1 Faraday variable optical attenuator and optical transmitter including it |
12/08/2004 | EP1484726A1 Optical output device, relay device, and program controlling optical output device. |
12/08/2004 | EP1483860A1 Add/drop node for an optical communications network |
12/08/2004 | EP1483855A2 Apparatus for dispersion compensating a signal that propagates along a signal path |
12/08/2004 | EP1483854A1 Dynamic polarization mode dispersion emulator |
12/08/2004 | EP1483853A2 Optical fiber communication systems with brillouin effect amplification |
12/08/2004 | EP1483852A1 Optical pulse analyzer |
12/08/2004 | EP1483851A1 Control of avalanche photodiodes bias voltage |
12/08/2004 | EP1483837A1 Wireless extension arrangement for a communications system |
12/08/2004 | EP1483810A2 Control circuit for optoelectronic module with integrated temperature control |
12/08/2004 | EP1483774A2 Avalanche photodiode controller circuit for fiber optics transceiver |
12/08/2004 | EP1342106A4 Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upstream tine slots |
12/08/2004 | CN2662539Y Structure of pluggable single fiber twoway light transceiver |
12/08/2004 | CN2662538Y Near-receiving sensing apparatus for automatic door |