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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04/21/2004 | EP1411653A2 Method and device for the control of the power radiated in a free-space optical transmission system |
04/21/2004 | EP1411652A2 Method for reducing fading arising in optical free space communication |
04/21/2004 | EP1411641A2 Error correction decoding using optical signal processing |
04/21/2004 | EP1410679A2 Supplemental audio content system with wireless communication for a cinema and related methods |
04/21/2004 | EP1410577A1 Network component for an optical network comprising an emergency operation function, especially for an optical network in ring topology |
04/21/2004 | EP1410543A1 Local access fiber optics communication system |
04/21/2004 | EP1410538A2 Optical communication system and apparatus for compensation or emulation of pmd effects |
04/21/2004 | EP1410537A2 System and method of dispersion compensation in optical communication systems |
04/21/2004 | EP1410536A2 Raman assisted edfa system and method |
04/21/2004 | EP1410535A1 Method of power control in an optical communication system |
04/21/2004 | EP1410534A2 System and method for mass broadband communications |
04/21/2004 | EP1410533A1 Long line fiber optic communication system without repeaters or with widely spaced repeaters and with inexpensive amplifiers |
04/21/2004 | EP1410425A1 Topside active optical device apparatus and method |
04/21/2004 | EP1042871A4 Digital radio-frequency transceiver |
04/21/2004 | EP0960492B1 Signalling system |
04/21/2004 | EP0805569B1 Optical fiber transmission system |
04/21/2004 | CN2613105Y Plug structure improvement of plug-type optical transceiver module |
04/21/2004 | CN1491510A Improvements in, relating to, optical communications |
04/21/2004 | CN1491501A Method and electro-optical circuit arrangement for line protection in WDM data transmission link |
04/21/2004 | CN1490971A Light generator for WDM optical communication system |
04/21/2004 | CN1490970A Dynamic gain balancing method and optical transmission system therewith |
04/21/2004 | CN1490969A Optical multiring net for burst data communication |
04/21/2004 | CN1490942A Optical signal transmission delay measuring method in transmission chain and apparatus thereof |
04/21/2004 | CN1490941A Raman amplifier with controllable gains and control method thereof |
04/21/2004 | CN1490659A Method for uniformizing gain spectrum of Raman erbium dosed oplical fiber amplifier |
04/21/2004 | CN1490658A Differential frequency all optical wavelength converter |
04/21/2004 | CN1490639A Fabry-perot laser device for WDM system |
04/21/2004 | CN1147076C Burst time-delay control device in ATM passive optic network system and its implement method |
04/21/2004 | CN1147075C Single-fiber two-way integral optical module for burst transmission |
04/21/2004 | CN1147074C Single-fiber two-way integral optical module for burst reception |
04/21/2004 | CN1146850C Tricolor LED display system with audio output |
04/21/2004 | CN1146741C Optical apparatus which uses virtuaily imaged phased array to produce chromatic dispersion |
04/20/2004 | US6725160 Correlated weather and performance measurement system for extremely high frequency wireless and free space optical communication systems |
04/20/2004 | US6724997 Dispersion compensation in optical communication network and optical communication network |
04/20/2004 | US6724995 Bidirectional router and a method of bidirectional amplification |
04/20/2004 | US6724993 Optical transmitter-receiver |
04/20/2004 | US6724966 Optical transmission line |
04/20/2004 | US6724956 Method and apparatus for providing dispersion compensation |
04/20/2004 | US6724955 Add-drop multiplexer with signal amplification ability |
04/20/2004 | US6724953 Optical cross-connect apparatus, and its signal monitoring method |
04/20/2004 | US6724952 Wavelength selective cross-connect (WSC) |
04/20/2004 | US6724800 Wavelength monitor and laser module |
04/20/2004 | US6724789 Dense wavelength division multiplexing (DWDM) fiberoptic source |
04/20/2004 | US6724786 Variable optical attenuator using wavelength locked loop tuning |
04/20/2004 | US6724783 Method and apparatus for arbitrary waveform generation using photonics |
04/20/2004 | US6724527 Optical amplifier and optical transmission system using same |
04/20/2004 | US6724526 Inter-wavelength light power deviation monitoring method and optical equalizer and optical amplifier utilizing the method |
04/20/2004 | US6724525 Raman amplifying control unit and optical transmission system |
04/20/2004 | US6724524 Gain control in Raman amplifiers |
04/20/2004 | US6724523 Remotely locatable RF power amplification system |
04/20/2004 | US6724508 Internal reflection apparatus and method using a holographic optical element for a free space optical communication system |
04/20/2004 | US6724484 Format insensitive and bit rate independent optical preprocessor |
04/20/2004 | US6723978 Fiber optic conversion system and method |
04/20/2004 | US6723573 Photonic devices and PICs including sacrificial testing structures and method of making the same |
04/20/2004 | US6722793 Optical bidirectional transceiver module having a pin element with integrated WDM filter |
04/20/2004 | CA2311435C Capacitor regulated high efficiency driver for light emitting diode |
04/15/2004 | WO2004032386A1 Electrical domain mitigation of polarization dependent effects in an optical communications system |
04/15/2004 | WO2004032385A1 Optical dispersion compensation in the electrical domain in an optical communications system |
04/15/2004 | WO2004032383A1 Raman amplifier |
04/15/2004 | WO2004032382A1 Optical communications processing system, components and operating method thereof |
04/15/2004 | WO2004031847A1 Raman amplifier and raman amplification system |
04/15/2004 | WO2004031827A1 Er-doped superfluorescent fiber source with enhanced mean wavelength stability |
04/15/2004 | WO2004025903A3 Methods for dynamic bandwidth allocation and queue management in ethernet passive optical networks |
04/15/2004 | WO2003088472A3 Atomic clock based on an opto-electronic oscillator |
04/15/2004 | WO2003063400B1 Method for securing an optical telecommunication ring network |
04/15/2004 | WO2003001737A9 Method and system for processing upstream packets of an optical network |
04/15/2004 | WO2003001708A3 Tunable chromatic dispersion compensation |
04/15/2004 | WO2002061955B1 System and method for wireless data exchange between an appliance and a handheld device |
04/15/2004 | US20040073725 Data time difference absorbing circuit and data receiving method and device |
04/15/2004 | US20040073394 Temperature compensation device and method with low heat-generation |
04/15/2004 | US20040073202 Laser system with fiber-bound communication |
04/15/2004 | US20040072540 Communications terminal using infrared link |
04/15/2004 | US20040072539 Resource allocation to terrestrial and satellite services |
04/15/2004 | US20040071474 Optical transmitter |
04/15/2004 | US20040071473 Duobinary optical transmitter |
04/15/2004 | US20040071472 Optical sampling system for simultaneously monitoring intensity modulation and frequency modulation |
04/15/2004 | US20040071471 Method and system for pairing a remote control transmitter and receiver |
04/15/2004 | US20040071470 Free-space optics microroom |
04/15/2004 | US20040071468 Optical multi-ring network for burst data communication |
04/15/2004 | US20040071467 Method and system for powering up an optical network |
04/15/2004 | US20040071438 Method for audibly measuring optical efficiency in an installed fiber optic link |
04/15/2004 | US20040071419 Positive dispersion optical fiber |
04/15/2004 | US20040071399 Self-seeded fabry-perot laser device for wavelength division multiplexing system |
04/15/2004 | US20040071397 Optical communication system using 4 wavelength add/drop type wavelength division multiplexing |
04/15/2004 | US20040071392 Optical shutter |
04/15/2004 | US20040071389 Optical and electrical channel feedback in optical transceiver module |
04/15/2004 | US20040071381 System and method for PMD measurement from coherent spectral analysis |
04/15/2004 | US20040071160 Wavelength division multiplexing optical switching system |
04/15/2004 | US20040070832 Electro-optic gating arrangement with improved duty cycle |
04/15/2004 | US20040070819 Broadband tunable optical amplifier |
04/15/2004 | US20040070818 Devices and methods for raman amplification and dispersion compensation |
04/15/2004 | US20040070805 Apparatus and method for optimum decision threshold setting |
04/15/2004 | US20040070749 System and method for measuring polarization dependent gain of an optical amplifier |
04/15/2004 | US20040070351 Circuitry and methods for improving the performance of a light emitting element |
04/15/2004 | US20040069997 Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
04/15/2004 | US20040069941 Method of automatic standardized calibration for infrared sensing device |
04/15/2004 | US20040069853 Smart card having an optical communication circuit and a method for use thereof |
04/15/2004 | DE10246612A1 Optisches Nachrichten verarbeitendes System, Komponenten und Betriebsverfahren dafür Optical communication processing system, components and operating method therefor |
04/15/2004 | DE10205294B4 Optoelektronische Vorrichtung Optoelectronic device |
04/15/2004 | CA2497653A1 Er-doped superfluorescent fiber source with enhanced mean wavelength stability |