| 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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| 12/16/2009 | CN100571080C High power and narrow line width signal source device with wave length as 1053nm |
| 12/16/2009 | CN100571079C Method for detecting and locating light-emitting fault of Ethernet passive optical network terminal |
| 12/16/2009 | CN100571078C Optical communication protection method |
| 12/16/2009 | CN100571077C Performance monitoring for optical links |
| 12/16/2009 | CN100571076C Ultra-violet optical communication system |
| 12/16/2009 | CN100570450C Multifunctional-type backlight unit and information device using the backlight unit |
| 12/15/2009 | US7634201 Wideband receiver based on photonics technology |
| 12/15/2009 | US7634200 Method and apparatus for transporting ethernet and radio frequency signals in fiber-optic system |
| 12/15/2009 | US7634199 Optical communication system and optical transmitting apparatus for the same |
| 12/15/2009 | US7634198 In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment |
| 12/15/2009 | US7634195 Digital optical network architecture |
| 12/15/2009 | US7634160 Passive optical network system based on a wavelength protection and protecting backup method thereof |
| 12/15/2009 | US7633968 Methods for dynamic bandwidth allocation and queue management in ethernet passive optical networks |
| 12/15/2009 | US7633866 Data transmission system and method in EPON, and recording medium storing program of the same |
| 12/15/2009 | US7633857 Node and method of setting backup path |
| 12/15/2009 | US7633674 SOA-MZI device fault isolation |
| 12/15/2009 | US7633041 Apparatus for determining optimum position of focus of an imaging system |
| 12/15/2009 | CA2468441C Optical semiconductor device |
| 12/15/2009 | CA2352691C Segmented waveguide for large diameter fiber optic rotary joint |
| 12/10/2009 | WO2009147863A1 Optical receiver |
| 12/10/2009 | WO2009146652A1 Connection transfer method and system in an automatically switched optical network |
| 12/10/2009 | WO2009146632A1 Linear protection system, linear protection and restoration method for optical transmission network |
| 12/10/2009 | WO2009146623A1 Method for searching and establishing tcm path and management system for searching and establishing path |
| 12/10/2009 | US20090304397 Light receiving device and light receiving method |
| 12/10/2009 | US20090304396 Optical Receiver and Method of Detecting Loss of Optical Signal of the Optical Receiver |
| 12/10/2009 | US20090304395 Tunable Electrical Return-to-Zero Modulation Method and Apparatus |
| 12/10/2009 | US20090304394 Delay interferometer |
| 12/10/2009 | US20090304392 Reflective optical circulator |
| 12/10/2009 | US20090304391 Optical communications system having chromatic dispersion and polarization mode dispersion compensation |
| 12/10/2009 | US20090304388 Optical Branching Apparatus and Passive Optical Network System |
| 12/10/2009 | US20090304384 Intelligent pluggable transceiver stick capable of diagnostic monitoring and optical network management |
| 12/10/2009 | US20090304383 Optical network systems and methods for operating same |
| 12/10/2009 | US20090304381 System and method for configuration discovery in an optical network |
| 12/10/2009 | US20090304379 Optical signal bit rate adjuster, an optical signal generator, an optical test device, an optical signal bit rate adjustment method, a program, and a recording medium |
| 12/10/2009 | US20090303577 Optical Amplifier Configuration |
| 12/10/2009 | US20090303490 Delay interferometer |
| 12/10/2009 | CA2716529A1 Ocdm-based photonic encryption system with provable security |
| 12/09/2009 | EP2131509A1 Optical amplifier arrangement |
| 12/09/2009 | EP2131455A1 Raman amplifier with bi-directional pumping |
| 12/09/2009 | EP2130076A1 Optically addressed rfid elements |
| 12/09/2009 | EP1841097B1 Method and system for maintenance of a passive optical network |
| 12/09/2009 | EP1068656B1 NONLINEAR FIBER AMPLIFIERS USED FOR A 1430-1530nm LOW-LOSS WINDOW IN OPTICAL FIBERS |
| 12/09/2009 | CN201360323Y Optical passage shared protective device in DWDM optical transmission system |
| 12/09/2009 | CN201360265Y USB modem |
| 12/09/2009 | CN201360259Y 1550/1550nm single-wavelength single-fiber bidirectional component |
| 12/09/2009 | CN201360258Y On-line monitoring and management device for electrified railway optical cable |
| 12/09/2009 | CN201360257Y Miniature pluggable optical module alarm monitoring device |
| 12/09/2009 | CN201360255Y Bluetooth wireless fiber optic transceiver |
| 12/09/2009 | CN101601215A Low-ripple optical device |
| 12/09/2009 | CN101601209A Method and apparatus for DWDM line card |
| 12/09/2009 | CN101600128A ONU and method for achieving all-fiber protection switching |
| 12/09/2009 | CN101599868A TCM path searching and creating methods and path searching and creating management systems |
| 12/09/2009 | CN101599867A Optical communication system and representation of optical module alarming threshold |
| 12/09/2009 | CN101599809A Device for realizing channel self-adaptive dispersion compensation on main optical channel |
| 12/09/2009 | CN101599804A PMD suppression device for high speed optical communication system and optical communication system |
| 12/09/2009 | CN101599803A Adaptive feedforward control device and method of optical amplifier |
| 12/09/2009 | CN101599802A Optical receiver and method of detecting loss of optical signal of the optical receiver |
| 12/09/2009 | CN101599801A Filter coefficient regulator and method thereof |
| 12/09/2009 | CN101599800A Device and method for generating 8 times frequency optical millimeter waves by utilizing lithium niobate modulator |
| 12/09/2009 | CN101599799A Store-and-forward fiber optic repeater working method and store-and-forward fiber optic repeater |
| 12/09/2009 | CN101599798A Method and device for processing multi-span section working channel fault in annular optical transport network |
| 12/09/2009 | CN101599797A Method and device for triggering automatic dispersion compensation regulation |
| 12/09/2009 | CN101599796A Life end alarm producing method of laser |
| 12/09/2009 | CN100569027C Method and apparatus for use in a communication system |
| 12/09/2009 | CN100569005C Wavelength/wave band sharing conversion structure |
| 12/09/2009 | CN100568817C A method for improving grid protection performance |
| 12/09/2009 | CN100568815C System for transmitting single-fiber two-way wavelength division multiplexing and its protection method |
| 12/09/2009 | CN100568792C Optical residual sideband transmitter/receiver |
| 12/09/2009 | CN100568788C Method and apparatus for transmission of upstream data in an optical network |
| 12/09/2009 | CN100568783C Bidirectional transmission device of millimeter wave optical fiber transmission system based on insertion pilot frequency method and signal transmitting method |
| 12/09/2009 | CN100568782C Up-down two-way transmission device and signal transmission method for mm-wave optical fibre transmission system |
| 12/09/2009 | CN100568781C Optical signal regeneration device and corresponding method |
| 12/09/2009 | CN100568780C Tunable regulating light transmitting module and scaling and regulating method thereof |
| 12/09/2009 | CN100568779C Downlink device of millimeter wave optical fibre transmission system and method for generating millimeter wave and modulating information |
| 12/09/2009 | CN100568778C New multilayer multiple granularity light cross connecting structure |
| 12/09/2009 | CN100568777C Millimeter wave carrier forming device and method of radio frequency optic fiber transmission system |
| 12/09/2009 | CN100568776C Method for implementing power detection based automatic power control in optical network |
| 12/09/2009 | CN100568775C Receiving circuit and electronic apparatus for optical communication |
| 12/09/2009 | CN100568749C Judgment circuit, signal processing circuit, and electric device |
| 12/09/2009 | CN100568738C Pulse-width modulation type optical fiber communication coding/decoding method and circuit with synchronous clock |
| 12/09/2009 | CN100568032C Polarisation-controller driving method and apparatus for optical fiber transmission systems |
| 12/09/2009 | CN100568029C Optical fiber with reduced stimulated brillouin scattering |
| 12/09/2009 | CN100568028C Chromatic dispersion compensating and chromatic dispersion slope compensating fiber |
| 12/08/2009 | US7630651 Method and apparatus for controlling bias point of optical transmitter |
| 12/08/2009 | US7630650 Multi-level modulation receiving device |
| 12/08/2009 | US7630649 Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method |
| 12/08/2009 | US7630648 Optical fan-out and broadcast interconnect methodology |
| 12/08/2009 | US7630647 Hybrid IR transmission system |
| 12/08/2009 | US7630646 Low power portable communication system with wireless receiver and methods regarding same |
| 12/08/2009 | US7630645 Detecting an infrared transceiver type |
| 12/08/2009 | US7630644 Optical add/drop multiplexer, control method therefor and control program therefor |
| 12/08/2009 | US7630643 Multimode optical transmission system and multimode optical transmission method |
| 12/08/2009 | US7630641 Optical network monitoring |
| 12/08/2009 | US7630640 Bidirectional time division multiplexing optical communication system |
| 12/08/2009 | US7630639 Method and apparatus for transmission control in an ethernet passive optical network |
| 12/08/2009 | US7630634 Method and apparatus for managing an optical signal |
| 12/08/2009 | US7630633 Optical bit stream reader system and method |
| 12/08/2009 | US7630632 Method for measuring the high speed behavior of fiber optic transceivers |
| 12/08/2009 | US7630631 Out-of-band data communication between network transceivers |
| 12/08/2009 | US7630363 Apparatus for adjusting receiving time point of burst data in optical burst switching network and method thereof |