| 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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| 11/11/2008 | US7450863 Optical receiver for wavelength-division-multiplexed signals |
| 11/11/2008 | US7450862 Stray light insensitive detector system and amplifier |
| 11/11/2008 | US7450861 Return-to-zero alternative-mark-inversion optical transmitter and method for generating return-to-zero alternative-mark-inversion optical signal using the same |
| 11/11/2008 | US7450860 Apparatus and method for frequency-shift-keying optical transmission |
| 11/11/2008 | US7450859 Optical subscriber network system |
| 11/11/2008 | US7450858 Apparatus and method for transmitting and receiving wavelength division multiplexing signals |
| 11/11/2008 | US7450857 Optical fan-out and broadcast interconnect |
| 11/11/2008 | US7450856 Dispersion compensating method and dispersion compensating apparatus |
| 11/11/2008 | US7450855 Optical detection apparatus and free-space optics communication apparatus |
| 11/11/2008 | US7450853 Signal transmission apparatus and method for optical base station |
| 11/11/2008 | US7450852 IR control signal distribution via a communications network |
| 11/11/2008 | US7450851 System and method for modularly scalable architecture for optical networks |
| 11/11/2008 | US7450850 Fiber and wire communication system |
| 11/11/2008 | US7450849 Wavelength-division multiplexing passive optical network |
| 11/11/2008 | US7450847 System for transparent node for WDM shared “virtual ring” networks |
| 11/11/2008 | US7450846 Method for operating transparent node for WDM shared ‘virtual ring’ networks |
| 11/11/2008 | US7450844 WDM optical transmission equipment with redundant configuration, and wavelength control method of light output in standby system |
| 11/11/2008 | US7450843 Optical communication system with two parallel transmission paths |
| 11/11/2008 | US7450787 Distributed amplifier optical modulators |
| 11/11/2008 | US7450608 Subscriber distribution network apparatus and subscriber line unit that facilitates connection to network switch |
| 11/11/2008 | US7450581 Ethernet passive optical network for convergence of broadcasting and communication |
| 11/11/2008 | US7450519 Auto-negotiation monitor system, repeating-transmission apparatus, and auto-negotiation monitor method used therefor |
| 11/11/2008 | US7450288 Optical modulation device, optical transmitter, and optical transmission equipment |
| 11/11/2008 | US7450239 Optical pulse evaluation device and in-service optical pulse evaluation device |
| 11/11/2008 | US7450117 Apparatus and method for restoring active signal and synchronous signal |
| 11/11/2008 | US7449672 Conversion of quantum information from one photonic representation to another photonic representation |
| 11/11/2008 | US7448899 Connecting module for communication |
| 11/11/2008 | CA2588938A1 Mode field adaptation for high power fiber lasers |
| 11/06/2008 | WO2008134436A1 Systems and methods for photonically assisted rf filtering |
| 11/06/2008 | WO2008134149A1 On-off keying-7-phase shift keying modulation system and method for fiber communication |
| 11/06/2008 | WO2008133252A1 Illuminating light communication system and transmitting device for illuminating light communication |
| 11/06/2008 | WO2008132694A1 Optical signal processing |
| 11/06/2008 | WO2008132268A1 Simulation of multi-antenna radio channel |
| 11/06/2008 | WO2008132119A1 Method for maintaining the compatibility of legacy receivers, optical distributing network structure, and parts thereof including a method for using such part |
| 11/06/2008 | WO2008132118A1 Optical network, monitoring unit and monitoring method |
| 11/06/2008 | WO2008131853A1 Optical pulse-code modulation for signal transmission, particularly in strongly electromagnetically disturbed environment |
| 11/06/2008 | WO2008131690A1 Method and device for passive optical network (pon) failure detection, as well as passive optical network (pon) system |
| 11/06/2008 | WO2008131629A1 Passive optical network with partially-tuned lasers |
| 11/06/2008 | WO2008105800A3 Reducing crosstalk in free-space optical communications |
| 11/06/2008 | WO2008005389A3 Method and apparatus for use of movement and position sensors with portable handheld wagering devices |
| 11/06/2008 | US20080273881 Burst light receiver, optical communication system, burst light reception control method and recording medium with program recorded therein |
| 11/06/2008 | US20080273880 Redundant channel implementation to extend optical transceiver lifetime and relibility |
| 11/06/2008 | US20080273879 Optical Transmission System and Method for Compensating Wavelength Dispersion of Main Signal By Multiplexing Dispersion-Free Control Signal |
| 11/06/2008 | US20080273877 System and Method for Managing Communication in a Hybrid Passive Optical Network |
| 11/06/2008 | US20080273876 Transient optical power suppressing apparatus, method, and network |
| 11/06/2008 | US20080273875 Optical network system |
| 11/06/2008 | US20080273874 Method and apparatus for low chirp transmitter for optical fiber communications |
| 11/06/2008 | US20080273873 Optical Path Feasibility in an Optical Communication Network |
| 11/06/2008 | US20080273872 Single-fiber protection in telecommunications networks |
| 11/06/2008 | US20080273607 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 11/06/2008 | US20080272943 Analog-to-digital conversion controller, optical receiving device, optical receiving method, and waveform-distortion compensating device |
| 11/06/2008 | DE102007019345A1 Verfahren und Einrichtung zur Überwachung eines optischen Verstärkers, insbesondere eines optischen Faserverstärkers Method and apparatus for monitoring an optical amplifier, in particular an optical fiber amplifier |
| 11/06/2008 | CA2684070A1 Simulation of multi-antenna radio channel |
| 11/06/2008 | CA2683885A1 Systems and methods for photonically assisted rf filtering |
| 11/05/2008 | EP1988650A1 Transparent wired radio frequency conveying system and transparent transducers |
| 11/05/2008 | EP1987625A1 Compact all-optical clock recovery device |
| 11/05/2008 | EP1987624A1 All-optical polarization-independent clock recovery |
| 11/05/2008 | EP1790094A4 Method and apparatus for transmitting a signal using thermal chirp management of a directly modulated transmitter |
| 11/05/2008 | EP1756960A4 Ultra-wideband communication through a wire medium |
| 11/05/2008 | EP1210804B1 Device and method for compensating for propagation delay |
| 11/05/2008 | CN201146512Y Optical network terminal and user information memory |
| 11/05/2008 | CN201146511Y 15 GHz PDH microwave transmitting and receiving equipment as well as outdoor unit thereof |
| 11/05/2008 | CN201146510Y Infrared transmitting-receiving module group with new broadside type structure |
| 11/05/2008 | CN201146508Y Distant range optical fiber radio frequency far-pulling system on mobile communication base station side |
| 11/05/2008 | CN101300759A Method and apparatus for restoration of operating conditions of an optical ring network comprising a plurality of optical amplifiers after a break or other fault in the ring network |
| 11/05/2008 | CN101300758A Methods and apparatus for optical transmission of digital signals |
| 11/05/2008 | CN101299894A Method for seeking route of optical channel in DWDM system |
| 11/05/2008 | CN101299650A Apparatus for converting double channel wavelength based on mode splitting silicon based micro-ring |
| 11/05/2008 | CN101299642A Optical fiber network system and management method thereof |
| 11/05/2008 | CN101299641A Automatic control method and apparatus for switching laser multiple formats |
| 11/05/2008 | CN101299640A Data transmitting device, data receiving device, data receiving method, and data transmitting and receiving system |
| 11/05/2008 | CN101299639A Optical communication system and data backup method thereof |
| 11/05/2008 | CN101299638A Optical power detection apparatus and method |
| 11/05/2008 | CN101299637A Power negotiation method for optical transmission system |
| 11/05/2008 | CN101299636A Method for performance treatment using performance buffer |
| 11/05/2008 | CN101299635A Apparatus and method for discriminating front and back of wide field complete-optical fiber disturbing signal |
| 11/05/2008 | CN101299101A Wireless light communication modulating method and modulating signal transmitting/receiving device |
| 11/05/2008 | CN100431289C Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 11/05/2008 | CN100431288C Method and device for realizing business pretection by adopting tunable light source |
| 11/05/2008 | CN100430970C Economical extension of the operating distance of an RF remote link accommodating IR remote controls having differing IR carrier frequencies |
| 11/05/2008 | CN100430814C Control system capable of adjusting wavelengh of laser and method thereof |
| 11/04/2008 | USRE40564 Cellular communications system with sectorization |
| 11/04/2008 | US7447446 Light source apparatus, and method for switching redundancy of the light source |
| 11/04/2008 | US7447445 Attenuation and calibration systems and methods for use with a laser detector in an optical communication system |
| 11/04/2008 | US7447444 Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system |
| 11/04/2008 | US7447443 Method and system for keeping time alignment between optical data modulation and a periodically modulated light source |
| 11/04/2008 | US7447442 Light emitting device and communication system |
| 11/04/2008 | US7447441 Signal transmission apparatus and a method of signal transmission |
| 11/04/2008 | US7447440 Multiple channel optical transceiver modules |
| 11/04/2008 | US7447439 Optical duplexer and optical triplexer |
| 11/04/2008 | US7447438 Calibration of digital diagnostics information in an optical transceiver prior to reporting to host |
| 11/04/2008 | US7447437 Interface arrangement for opto-electronic data transfer, and plug-in opto-electronic transceiver |
| 11/04/2008 | US7447436 Optical communications using multiplexed single sideband transmission and heterodyne detection |
| 11/04/2008 | US7447435 Passive optical network |
| 11/04/2008 | US7447433 Optical communication device |
| 11/04/2008 | US7447432 Regulating radiation component power in wavelength division multiplexed optical communication systems |
| 11/04/2008 | US7447431 Optical communications processing system, components and operating method thereof |
| 11/04/2008 | US7447430 Optical cross connect apparatus and optical transmission system |
| 11/04/2008 | US7447429 Bidirectional line switched ring network |
| 11/04/2008 | US7447428 Method and device for data-flow protection of optical interface in data communication equipment |