| 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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| 03/02/2004 | CA2092156C Optical amplifier with improved linearity |
| 02/26/2004 | WO2004017542A1 Optical transmission system for transmitting optical signals having different transmission rates |
| 02/26/2004 | WO2004017474A2 Photonic devices and pics including sacrificial testing structures and method of making the same |
| 02/26/2004 | WO2003104850A3 Systems, methods and apparatus for bi-directional optical transceivers |
| 02/26/2004 | WO2003103190A3 Optical transceiver |
| 02/26/2004 | WO2003069379A3 Avalanche photodiode controller circuit for fiber optics transceiver |
| 02/26/2004 | WO2003063391B1 System and method for communicating with an appliance through a light emitting diode |
| 02/26/2004 | WO2003063390B1 Appliance communication method and apparatus |
| 02/26/2004 | WO2003063333A9 Current sensing methods and apparatus in an appliance |
| 02/26/2004 | WO2003017634A8 Method of establishing a subscriber connection and system utilising the method |
| 02/26/2004 | WO2003009498A3 Raman assisted edfa system and method |
| 02/26/2004 | WO2002086556A3 Optical wireless communication system with multiple receivers |
| 02/26/2004 | WO2002041535A3 System and method of dispersion compensation in optical communication systems |
| 02/26/2004 | WO2002037720A3 An apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion |
| 02/26/2004 | WO2002030020A3 System and method for communicating optical signals upstream and downstream between a data service provider and subscribers |
| 02/26/2004 | US20040037572 Receiving apparatus with waveform degradation compensating function |
| 02/26/2004 | US20040037571 Voltage controlled oscillator, FM signal optical transmitter, FM signal optical receiver and FM signal optical transmission system |
| 02/26/2004 | US20040037570 Optical frequency shift keying method |
| 02/26/2004 | US20040037569 Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber |
| 02/26/2004 | US20040037568 Optical repeater employed in an optical communication system having a modular dispersion map |
| 02/26/2004 | US20040037567 Transceiving device |
| 02/26/2004 | US20040037566 Hybrid wireless optical and radio frequency communication link |
| 02/26/2004 | US20040037565 Transport of signals over an optical fiber using analog RF multiplexing |
| 02/26/2004 | US20040037564 Method and system for span optical power control |
| 02/26/2004 | US20040037562 Optical communication system having an antiresonant dispersion map suppressing four wave mixing and cross phase modulation |
| 02/26/2004 | US20040037561 Transmission of data |
| 02/26/2004 | US20040037560 Method and apparatus of utilizing RF/microwave and optical mixing techniques to select a given band of an optical transmission |
| 02/26/2004 | US20040037557 Optical cross-connect with path selecting function |
| 02/26/2004 | US20040037556 Systems and methods for active monitoring and management of fiber links |
| 02/26/2004 | US20040037555 OTDR arrangement for detecting faults in an optical transmission system on a span basis |
| 02/26/2004 | US20040037537 Optoelectronic module with integrated variable optical attenuator |
| 02/26/2004 | US20040037529 Optical fiber having an elevated threshold for stimulated brillouin scattering |
| 02/26/2004 | US20040037525 Optical threshold devices and methods |
| 02/26/2004 | US20040037505 Fiber Bragg Grating interferometers for chromatic dispersion compensation |
| 02/26/2004 | US20040037499 Optical transmission system |
| 02/26/2004 | US20040037494 Optical pulse generator and optical pulse testing instrument and method |
| 02/26/2004 | US20040037490 Control apparatus and control method of optical signal exchanger |
| 02/26/2004 | US20040037329 Receiver |
| 02/26/2004 | US20040037301 Enhanced reservation based media access control for dynamic networks and switch-fabrics |
| 02/26/2004 | US20040036960 Method and apparatus for optical amplifcation with spontaneous emission cancellation |
| 02/26/2004 | US20040036959 Optical transmission system employing erbium-doped optical amplifiers and Raman amplifiers |
| 02/26/2004 | US20040036958 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 02/26/2004 | US20040036956 Wider dynamic range to a FBG stabilized pump |
| 02/26/2004 | US20040036954 Method and apparatus for controlling pump powers of broadband raman amplifiers used in optical transmission systems |
| 02/26/2004 | US20040036946 Optical regenerator |
| 02/26/2004 | US20040036857 WDM measurement system |
| 02/26/2004 | US20040036537 Amplifier circuit, an optical communication system and a method of controlling amplification |
| 02/26/2004 | DE4143685B4 Vorrichtung zur Übertragung von elektrischen Strom und Daten zwischen der Lenkrad-und der Fahrzeugseite eines Kraftfahrzeugs Device for transmitting electric power and data between the steering wheel and the vehicle side of a motor vehicle |
| 02/26/2004 | DE10238993A1 Method for adaptive compensation of polarization mode dispersion (PMD) e.g. for optical signals in glass fibers, requires decoupling part of optical output signal of PMD compensator to derive signal quality |
| 02/26/2004 | DE10236175A1 Lasersystem mit fasergebundener Kommunikation Laser system with fiber-based communication |
| 02/25/2004 | EP1392016A2 Separating apparatus for optical time division multiplexed signal |
| 02/25/2004 | EP1392013A2 Hybrid adaptive equalizer for optical communication systems |
| 02/25/2004 | EP1392012A2 Receiving apparatus with waveform degradation compensating function |
| 02/25/2004 | EP1391069A1 Signal addition to a wave division multiplex system |
| 02/25/2004 | EP1391064A1 Wavelengh control using dither modulation and feedback |
| 02/25/2004 | EP1391063A1 Optical transmission system comprising a supervisory system |
| 02/25/2004 | EP1391061A2 Redundant optical device array |
| 02/25/2004 | EP1391058A1 Millimeter wave communication link |
| 02/25/2004 | EP1390939A2 Method for determining current location-specific information of individuals |
| 02/25/2004 | CN1478336A System and method for communicating optical signals between data service provider and subscribers |
| 02/25/2004 | CN1478335A Transmitter circuit comprising light source and communication system |
| 02/25/2004 | CN1478334A A transmitter-receiver device and a communication system |
| 02/25/2004 | CN1477808A Quantum coder and decoder of phase modulated polarizing state and its application method |
| 02/25/2004 | CN1477798A 视频数据收发器 Video data transceiver |
| 02/25/2004 | CN1477797A Method for implementing quick optical fibre protective inversion in ring network and its equipment |
| 02/25/2004 | CN1477796A Protection method of synchronous transmission module electric interface unit and its equipment |
| 02/25/2004 | CN1477795A Wavelength division multiplexer test system and its test method |
| 02/25/2004 | CN1477739A All optical fibre adjustable width continuous spectrum laser pump source for superflat wide-band Raman amplification |
| 02/25/2004 | CN1477412A One-dimensinal micromechanical electronic NXN optical space exchanger |
| 02/25/2004 | CN1140145C Radio signal sender |
| 02/25/2004 | CN1140072C SDH overhead processing device based on 64Kbps data exchange |
| 02/25/2004 | CN1140071C Infrared data modulation/demodulation integrated circuit device |
| 02/25/2004 | CN1140070C Infrared data modulation/demodulation integrated circuit device |
| 02/25/2004 | CN1139826C Switch array based on arc waveguide all-optical switch |
| 02/24/2004 | US6697750 Method and apparatus for performing parallel asynchronous testing of optical modules |
| 02/24/2004 | US6697695 Laser device management system |
| 02/24/2004 | US6697577 Method and apparatus for in-service optimization of the performance of an optical transmission system |
| 02/24/2004 | US6697576 Wideband, high-fidelity analog optical link design |
| 02/24/2004 | US6697575 System and method for increasing capacity of long-haul optical transmission systems |
| 02/24/2004 | US6697558 Raman amplified optical system with reduction of four-wave mixing effects |
| 02/24/2004 | US6697546 Optical node system and switched connection method |
| 02/24/2004 | US6697545 Method for monitoring an optical waveguide, as well as monitoring system and monitoring unit for said method |
| 02/24/2004 | US6697414 Light emitting apparatus |
| 02/24/2004 | US6697400 Circuit for driving a laser diode which has a feed-forward type APC circuit and method for driving a laser diode by using the APC circuit |
| 02/24/2004 | US6697374 Optical network communication system |
| 02/24/2004 | US6697301 Acoustic array deployment system and method |
| 02/24/2004 | US6697193 Shared variable gain amplifier for WDM channel equalization |
| 02/24/2004 | US6697190 Flexible and fast electronic control of optical devices |
| 02/24/2004 | US6697189 System and method for gain equalization in an optical transmission system |
| 02/24/2004 | US6697188 Radiation power equalizer |
| 02/24/2004 | US6697150 Process and apparatus for measuring polarization dispersion in optical fibers |
| 02/19/2004 | WO2004015894A1 Method and device for the transmission of information by means of an optical data transmission system |
| 02/19/2004 | WO2004015451A2 Appartus and method for free-space optical communication |
| 02/19/2004 | WO2004006453A8 Information retrieval system based on position of the light source |
| 02/19/2004 | WO2003087887A3 Wireless optical system and method for point-to-point high bandwidth communication |
| 02/19/2004 | WO2003079504A3 Absolutely calibrated periodic filters and sources |
| 02/19/2004 | WO2003063365A3 Filtering noise in optical signal transmission |
| 02/19/2004 | WO2003061328A3 Device and method for switching optical data for optical communication networks |
| 02/19/2004 | WO2003044569A9 L band optical amplifier |
| 02/19/2004 | WO2002043285A3 Wireless propagation and management of optical signals |