| 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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| 04/26/2006 | CN1764145A System and method for optical transmission subnetwork communicating with external subnetwork using official telephone |
| 04/26/2006 | CN1764132A Method for detecting spare channel |
| 04/26/2006 | CN1763621A USB-optical beam transfer device for serial communication |
| 04/26/2006 | CN1254036C Active planar wave guide line combining device |
| 04/26/2006 | CN1254025C Optical ADD drop and dispersion compensation method |
| 04/26/2006 | CN1253756C Light modulator, light signal transmitting apparatus and method for controlling light modulator |
| 04/26/2006 | CN1253754C Light pulse signal processing method and device |
| 04/25/2006 | US7036031 Electronic device and its power control method |
| 04/25/2006 | US7035553 Autocorrelation bit error detection device and method for optical signal by optical branching method |
| 04/25/2006 | US7035552 Optical reception apparatus and optical transmission system |
| 04/25/2006 | US7035551 Optical transmitter |
| 04/25/2006 | US7035550 All-optical, 3R regeneration using the Sagnac and Mach-Zehnder versions of the terahertz optical asymmetric demultiplexer (TOAD) |
| 04/25/2006 | US7035549 Interconnecting circuit boards using free space optics |
| 04/25/2006 | US7035548 Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method |
| 04/25/2006 | US7035546 Optical wireless multiport hub |
| 04/25/2006 | US7035545 Bidirectional multichannel optical telecommunication system |
| 04/25/2006 | US7035543 Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals |
| 04/25/2006 | US7035540 Optical fiber ring communication system |
| 04/25/2006 | US7035539 Interconnecting nodes in an optical communication system |
| 04/25/2006 | US7035538 Monitoring optical dispersion based on vestigial side band optical filtering |
| 04/25/2006 | US7035537 Method for wavelength switch network restoration |
| 04/25/2006 | US7035517 Integrated demultiplexer/photoreceiver for optical networks and method of controlling transparency of optical signal transmission layer |
| 04/25/2006 | US7035505 Optical performance monitor |
| 04/25/2006 | US7035504 Deep fiber network with high speed data and video on demand |
| 04/25/2006 | US7035503 Optical transmission apparatus |
| 04/25/2006 | US7035495 Chromatic dispersion device |
| 04/25/2006 | US7035493 Optical communication system |
| 04/25/2006 | US7035486 Photonic integrated device |
| 04/25/2006 | US7035303 Jitter suppression techniques for laser driver circuits |
| 04/25/2006 | US7035302 Optical transmission module |
| 04/25/2006 | US7035300 Calibration of a multi-channel optoelectronic module with integrated temperature control |
| 04/25/2006 | US7035206 Automatic isolation in loops |
| 04/25/2006 | US7035203 Interconnection between telecommunication MS-SPRING and SNCP ring networks |
| 04/25/2006 | US7034997 Wideband optical fiber amplifier |
| 04/25/2006 | US7034996 Optical transmission apparatus |
| 04/25/2006 | US7034995 Enhanced pump absorbing double-clad fiber |
| 04/25/2006 | US7034994 Dispersion management for long-haul high-speed optical networks |
| 04/25/2006 | US7034993 Optical amplifier apparatus |
| 04/25/2006 | US7034991 Optical amplification and transmission system |
| 04/25/2006 | US7034989 Optical wavelength conversion apparatus and method using injection locking of fabry-perot laser diode |
| 04/25/2006 | US7034604 Communications device powered from host apparatus |
| 04/25/2006 | CA2364797C Data transmission via direct modulation of a mid-ir laser |
| 04/20/2006 | WO2006041486A1 Method and apparatus for the zonal transmission of data using building lighting fixtures |
| 04/20/2006 | WO2006041103A1 Lock detector and optical phase locked-loop system |
| 04/20/2006 | WO2006041095A1 Optical transceiver and method for coating the same |
| 04/20/2006 | WO2006040891A1 Waveform forming device, receiver, receiving module, remote control receiver |
| 04/20/2006 | WO2006040317A1 Method and apparatus for recognizing a disturbing effect in an information channel |
| 04/20/2006 | WO2005029140A3 Coherent optical detector and coherent communication system and method |
| 04/20/2006 | US20060083520 Communication by radio waves and optical waveguides |
| 04/20/2006 | US20060083519 Chirped RZ-AMI optical transmitter |
| 04/20/2006 | US20060083518 Fiber optic connection for digital displays |
| 04/20/2006 | US20060083517 Optical sub-assembly having a thermo-electric cooler and an optical transceiver using the optical sub-assembly |
| 04/20/2006 | US20060083516 Optical signal receiver and optical space transmission system |
| 04/20/2006 | US20060083515 WDM-PON having optical source of self-injection locked fabry-perot laser diode |
| 04/20/2006 | US20060083514 Bi-directional OADM module and solution for the optical access network |
| 04/20/2006 | US20060083512 Wireless signal distribution system and method |
| 04/20/2006 | US20060083511 Network tap module |
| 04/20/2006 | US20060083510 Spherical aberration detection |
| 04/20/2006 | US20060083465 Three dimensional semiconductor based optical switching device |
| 04/20/2006 | US20060083275 Method for operating a multi-channel optoelectronic module |
| 04/20/2006 | US20060082869 Optical transmission equipment for suppressing a four wave mixing and optical transmission system |
| 04/20/2006 | US20060081779 Variable noise control for an optical transducer |
| 04/20/2006 | DE202006000197U1 Optical IQ-transmitter for producing high value modulation signals, has phase modulators that are supplied with control pulses of two different electrical conditions for realizing of phase shifts of specified degree |
| 04/20/2006 | DE19926463B4 Verfahren zur Überwachung von optischen Signalen auf mehreren optischen Fasern A method for monitoring optical signals on a plurality of optical fibers |
| 04/20/2006 | DE112004000901T5 Optisches Burst-vermitteltes Netzsystem und Verfahren mit fälligkeitsnaher Signalisierung Optical burst switched network system and method with maturity near signaling |
| 04/20/2006 | DE10308306B4 Verfahren und Anordnung zur Übertragung von Working-Signalen und Protection-Signalen über optische Datennetze Method and apparatus for transmitting working signals and protection signals over optical data networks |
| 04/20/2006 | DE102004047693A1 Preemphase eines optischen Wellenlängen-Multiplexsignals Pre-emphasis of an optical wavelength-multiplexed signal |
| 04/20/2006 | DE102004047671A1 Replacement connecting path and transmission channel determining method for optical transmission system, involves sharing transmission channels on replacement connecting paths such that performance modification of each path is minimum |
| 04/20/2006 | DE102004047623A1 Qualitätsüberwachung eines optischen Faserverstärkers Monitoring quality of an optical fiber amplifier |
| 04/20/2006 | DE102004047028A1 Verfahren und Anordnung zur optischen Übertragung von Datensignalen mittels differentieller Phasenmodulation in einem Polarisations-Multiplexverfahren Method and apparatus for optical transmission of data signals by differential phase modulation in a polarization-division multiplexing |
| 04/20/2006 | DE10131210B4 Optisches Übertragungssystem mit bidirektionalen Verbindungspfaden und Verfahren zum Einrichten mindestens eines bidirektionalen Verbindungspfades The optical transmission system with bidirectional connection paths and methods for establishing at least one bidirectional communication path |
| 04/20/2006 | DE10046136B4 Verfahren zur Identifizierung von Lichtschrankensendern A method for identifying photoelectric transmitters |
| 04/19/2006 | EP1648101A1 Receiving circuit for an optical receiving apparatus |
| 04/19/2006 | EP1648094A1 Communication system transceivers having power saving features |
| 04/19/2006 | EP1295413B1 Reflectometer with non - reciprocal optical components |
| 04/19/2006 | EP1247358B1 Communications system with digital return path |
| 04/19/2006 | EP1210782A4 Optical power management in an optical network |
| 04/19/2006 | EP1129531A4 Optical transmission apparatuses, methods, and systems |
| 04/19/2006 | EP1064738B1 Method for establishing a communication on a standby link in optical transmission facilities |
| 04/19/2006 | EP0944990B1 Cellular system with optical link between mobile telephone switching office and cell sites |
| 04/19/2006 | CN1762114A Method and apparatus for testing network data signals in a wavelength division multiplexed optical network |
| 04/19/2006 | CN1762113A Preventing damage to optical components from optical time domain reflectometers |
| 04/19/2006 | CN1761881A Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor |
| 04/19/2006 | CN1761124A Full networked digital protection platform |
| 04/19/2006 | CN1760708A Optical switch independent on polarization based on electro-optic polymer material |
| 04/19/2006 | CN1760679A Test desk for high frequency characteristics of semiconductor laser chip with noncoplanar electrode |
| 04/19/2006 | CN1252971C Communication interface and communication method of video and audio display device |
| 04/19/2006 | CN1252967C Bidirectional bandwidth control method in Ethernet passive light network system |
| 04/19/2006 | CN1252960C Method of transmitting data in communicating system |
| 04/19/2006 | CN1252947C Method for automatically-synchronously testing infrared ray equipment |
| 04/19/2006 | CN1252532C Optical amplifier, compensating method for gain to temp comply with relation and optical transmission channel |
| 04/19/2006 | CN1252498C Dispersion compensating transmission optical fiber matched with orthochromatic dispersion and ortho chromatic dispersion slope unimodel optical fiber and use |
| 04/18/2006 | US7031621 Optical receiving device |
| 04/18/2006 | US7031620 Optical transmission device and optical transmission system using the same |
| 04/18/2006 | US7031619 Method and system for dispersion control of electromagnetic signals in communication networks |
| 04/18/2006 | US7031618 Optical transmission system in which gains in gain bands are remotely controlled by transmitting tone signals having variable characteristics |
| 04/18/2006 | US7031617 Method and system for optical wavelength conversion and regeneration |
| 04/18/2006 | US7031616 Monitoring unit for optical burst mode signals |
| 04/18/2006 | US7031615 Optical channel selection and evaluation system |
| 04/18/2006 | US7031614 Polarization scrambler and optical network using the same |