| 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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| 02/04/2004 | EP1386429A2 Method for the ocdma encoding of optical signals |
| 02/04/2004 | EP1386427A2 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
| 02/04/2004 | EP1386426A1 An integrated environmental control and management system for free-space optical communication systems |
| 02/04/2004 | EP1386425A1 Method and apparatus for re-acquisition after link disruption in an optical wireless link |
| 02/04/2004 | EP1386301A1 Economical extension of the operating distance of an rf remote link accomodating ir remote controls having differing ir carrier frequences |
| 02/04/2004 | EP1386182A2 N-way broadcast/narrowcast combiner |
| 02/04/2004 | CN2602570Y Dual frequency band indoor signal optical fibre distributed system for mobile telecommunication |
| 02/04/2004 | CN2602554Y Optical fibre distribution type monitoring device of touch network switch |
| 02/04/2004 | CN2602553Y Rotatingl signal light-electricity tramsfering serial dispensing device |
| 02/04/2004 | CN1472969A Full optical packet switching node structure for supporting burst or non-burst businesses |
| 02/04/2004 | CN1472909A Transmission for embedded control channel data |
| 02/04/2004 | CN1472908A Temperature controller for waveguide array grating style channel splitting filter |
| 02/04/2004 | CN1472907A Optical switch and optical signal accessor and wavelength signal exchanger |
| 02/04/2004 | CN1472894A Soluting method for protection of loop fault of optical transmission network by four fiber complex section sharing |
| 02/04/2004 | CN1472893A Manual business arrangement of connection oriented in optical transmission network |
| 02/04/2004 | CN1472892A Return-to-zero overlong distance transmitting method and system |
| 02/04/2004 | CN1472890A Prevention of fault connection of oplical transfer loop network transmission businesses |
| 02/04/2004 | CN1472584A Adjustable digital electromagnetic driven light-barrier attenuator |
| 02/04/2004 | CN1472556A Micromechanical optical switch made of metal material |
| 02/04/2004 | CN1137558C WDM-channel equalizer |
| 02/03/2004 | US6687466 Dynamic distortion control |
| 02/03/2004 | US6687465 FM modulator |
| 02/03/2004 | US6687464 Optimization of a communications system based on identification of an optical medium |
| 02/03/2004 | US6687461 Active optical lattice filters |
| 02/03/2004 | US6687451 Method and system for first-order RF amplitude and bias control of a modulator |
| 02/03/2004 | US6687443 Optical fiber transmission line, optical cable, and optical transmission system |
| 02/03/2004 | US6687440 Optical fiber having an elevated threshold for stimulated brillouin scattering |
| 02/03/2004 | US6687433 WDM optical communication system |
| 02/03/2004 | US6687432 Optical communication with predistortion to compensate for odd order distortion in modulation and travel |
| 02/03/2004 | US6687426 Out of band fiber characterization using optical amplifier light sources |
| 02/03/2004 | US6687278 Diode laser assembly of an epitaxial structure formed on substrate; reflectors; amplifier coupling the laser output |
| 02/03/2004 | US6687049 Optical amplifiers with stable output power under low input power conditions |
| 02/03/2004 | US6687045 Variable gain optical amplifier and control method |
| 02/03/2004 | US6687032 Optical equalizer |
| 02/03/2004 | US6685701 Smart recognition apparatus and method |
| 02/03/2004 | CA2330109C Segmented complex diffraction gratings |
| 01/29/2004 | WO2004010626A1 Apparatus and method for combining multiple optical beams in a free-space optical communication system |
| 01/29/2004 | WO2004010625A2 Automatic detection and resolution of fiber cabling errors in optical networks |
| 01/29/2004 | WO2004010620A1 Optical transmission apparatus |
| 01/29/2004 | WO2004010616A1 Method and arrangement in a communication system |
| 01/29/2004 | WO2004010615A1 Optical communication system with constant power type modulation |
| 01/29/2004 | WO2004010614A1 A transmitting method of optical transmission maintenance information |
| 01/29/2004 | WO2004010613A1 Light receiver |
| 01/29/2004 | WO2004010612A1 Optical transmission method and system |
| 01/29/2004 | WO2004010611A1 Burst signal extinction ratio control circuit, integrated circuit thereof, burst signal extinction ratio control method, computer program, and laser diode drive circuit |
| 01/29/2004 | WO2004010178A1 Optical module |
| 01/29/2004 | WO2004010177A1 Optical network system and method of building this |
| 01/29/2004 | WO2004008833A2 Method and system for providing protection in an optical communication network |
| 01/29/2004 | WO2003050572A3 Return path transmitter having a closed laser control loop |
| 01/29/2004 | WO2003028256A3 Multi-channel wavelength locker using gas tuning |
| 01/29/2004 | US20040019459 Auto-characterization of optical devices |
| 01/29/2004 | US20040018021 Quantum switch teleportation for two receivers |
| 01/29/2004 | US20040018020 All-optical regenerator for retiming, reshaping and retransmitting an optical signal |
| 01/29/2004 | US20040018019 Interleaver-based multiplexer and demultiplexer |
| 01/29/2004 | US20040017972 Tunable chromatic dispersion compensator |
| 01/29/2004 | US20040017967 Communication node and switching device |
| 01/29/2004 | US20040017966 Optical transmission apparatus |
| 01/29/2004 | US20040017965 Subscriber line terminal device and loopback test method |
| 01/29/2004 | US20040017959 Transmitter-receiver device and a communication system |
| 01/29/2004 | US20040017785 System for transporting multiple radio frequency signals of a multiple input, multiple output wireless communication system to/from a central processing base station |
| 01/29/2004 | US20040017603 Optical amplifier controller |
| 01/29/2004 | US20040017602 Modular optical amplifier assembly with self identifying modules |
| 01/29/2004 | US20040017573 System and method for dispersion detection |
| 01/29/2004 | US20040016874 Automatic polarization controller for polarization multiplexed optical signals |
| 01/29/2004 | DE19940818B4 Verfahren zur Steuerung der Leistung von WDM-Einzelsignalen A method for controlling the power of WDM signals single |
| 01/29/2004 | DE10230536A1 Optischer Drehübertrager mit mikrosystemtechnisch hergestellten Komponenten Fiber Optic Rotary Joint with microsystem components produced |
| 01/29/2004 | DE10230091A1 Verfahren zur Messung der Signal-Rauschabstände eines Wellenlängen-Multiplex(-WDM)-Signals Method for measuring the signal-to-noise ratios of a wavelength division multiplexing (-WDM) signal |
| 01/29/2004 | DE10228145A1 Verfahren und Vorrichtung zur Überwachung einer optischen Verbindung Method and device for monitoring of an optical link |
| 01/29/2004 | DE10223964B3 Verfahren zum Erkennen eines Bursts in einem übertragenen Datenstrom und Schaltungsanordnung zur Durchführung des Verfahrens A method for recognizing a burst in a transmitted data stream and circuit arrangement for performing the method |
| 01/29/2004 | DE10149430B4 Verfahren zum Demultiplexieren eines Datenstroms, insbesondere eines optischen Datenstroms A method of demultiplexing a data stream, in particular an optical data stream |
| 01/29/2004 | DE10120276B4 Verfahren und Übertragungssystem zur Optimierung der Übertragungseigenschaften eines optischen Wellenlängen-Multiplex-Systems A method and transmission system for optimizing the transmission characteristics of an optical wavelength multiplexing system |
| 01/29/2004 | DE10113303B4 Verfahren zur Verbesserung und Vergleichmäßigung der Datenübertragungsqualität in einem WDM-System und WDM-System zur Durchführung des Verfahrens Method for improving and uniformization of the data transmission quality in a WDM system and WDM system for performing the method |
| 01/29/2004 | CA2436177A1 Auto-characterization of optical devices |
| 01/29/2004 | CA2436161A1 Optical amplifier controller |
| 01/28/2004 | EP1385289A2 A method and apparatus for channel extraction of optical time-division-multiplexing signal |
| 01/28/2004 | EP1385288A2 Interleaver-based multiplexer and demultiplexer |
| 01/28/2004 | EP1385282A1 Optical network using passive reflective splitting |
| 01/28/2004 | EP1385281A2 Dispersion monitoring method and apparatus, and dispersion slope temperature dependency compensation method and apparatus |
| 01/28/2004 | EP1385280A2 Raman amplifier |
| 01/28/2004 | EP1385279A2 Optical amplifier |
| 01/28/2004 | EP1385277A1 Transmission of supervisory data in an optical communication system |
| 01/28/2004 | EP1384283A1 Reverse path optical combining using an optical commutator |
| 01/28/2004 | EP1384098A2 Method of operating a noise-compensating gain controller for an optical amplifier |
| 01/28/2004 | EP0923828B1 Quantum cryptography device and method |
| 01/28/2004 | EP0835559B1 Non-linearity estimation method and device |
| 01/28/2004 | CN2601486Y Red infrared detection radio transmitter with two-way discrimination |
| 01/28/2004 | CN1471255A Optical residual sideband transmitter/receiver |
| 01/28/2004 | CN1471247A Remote digital monitoring system and transmission method thereof |
| 01/28/2004 | CN1471246A Station end apparatus and user end apparatus and optical communication system |
| 01/28/2004 | CN1471245A Method and apparatus for plugging optical transcreceiving module internal E2 PROM for read broadband network device |
| 01/28/2004 | CN1471244A Method for realizing Ethernet passive optical fiber network |
| 01/28/2004 | CN1471243A Two-way optical communication apapratus capable of automatically realizing main-backup change |
| 01/28/2004 | CN1471242A Optical transmission apapratus |
| 01/28/2004 | CN1136688C Node Protector for changeover ring of wave division multiplexing circuit |
| 01/28/2004 | CN1136680C Input independent tilt-free broadband amplifier with dynamic gain equalisation |
| 01/28/2004 | CN1136679C Opticalfiber transmission method of density data and its interface phase-difference regulating circuit |
| 01/28/2004 | CN1136678C Apparatus for image signal transmission |
| 01/27/2004 | US6684034 Optical signal receiving device |
| 01/27/2004 | US6684033 Bit rate detection circuit and algorithm for optical networks |
| 01/27/2004 | US6684032 Optical signal receiver apparatus |