| 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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| 06/28/2007 | US20070145271 Quantum information conversion between matter and light representations |
| 06/28/2007 | DE102006013777A1 Transmission function determining method for use in wavelength-division multiplexing system, involves determining efficient transmission from ratio of efficiency value of broad band reference signal and value within broadband of channel |
| 06/28/2007 | DE102005061395A1 Aktiver Sternpunkt für den Einsatz in einem Kommunikationssystem mit Sterntopologie Active star point for use in a communication system with star topology |
| 06/28/2007 | DE102004022460B4 Vorrichtung zur Abstrahlung von Infrarot-Signalen innerhalb von Fahrzeugen A device for radiating infrared signals within vehicles |
| 06/28/2007 | CA2633596A1 Regulatable optical amplifier, and method for regulating an optical amplifier |
| 06/27/2007 | EP1802007A2 A passive optical network maintenance method, an optical network unit and an optical line terminal |
| 06/27/2007 | EP1802006A1 System and method for automatic tuning of chromatic dispersion compensation for a WDM transmission system using Raman distributed co-pumping |
| 06/27/2007 | EP1802005A2 Optical transmission system |
| 06/27/2007 | EP1801984A1 Passive optical network terminal and method for power supply control and reporting |
| 06/27/2007 | EP1801967A2 Active star point for use in a communications system with star topology |
| 06/27/2007 | EP1800422A1 Method and apparatus for recognizing a disturbing effect in an information channel |
| 06/27/2007 | EP1800421A2 Communication by radio waves and optical waveguides |
| 06/27/2007 | EP1716650A4 System and method for generating optical return-to-zero signals with alternating bi-phase shift |
| 06/27/2007 | EP1561135A4 Method and apparatus for providing controllable second-order polarization mode dispersion |
| 06/27/2007 | EP1101136B1 Optoelectronic transceiver |
| 06/27/2007 | CN1989717A Optical amplifier comprising a pump module |
| 06/27/2007 | CN1989716A Video display and video display system |
| 06/27/2007 | CN1989715A Photodetector |
| 06/27/2007 | CN1989666A Wavelength stabilized laser module |
| 06/27/2007 | CN1988724A Radio connecting method and system for supporting multipe users and multiple systems |
| 06/27/2007 | CN1988433A Passive light network maintenance method and light network unit and light circuit terminal |
| 06/27/2007 | CN1988432A Full digital space optic communication array signal diversity receiving system |
| 06/27/2007 | CN1988426A Reference clock sending circuit and method for light repeat plate |
| 06/27/2007 | CN1988423A Multiple service light receiving module for digital regulation |
| 06/27/2007 | CN1988422A High power and narrow line width signal source with wave length as 1053nm |
| 06/27/2007 | CN1988421A Method and apparatus for initializing an end-to-end link in a fiber optic communications syste |
| 06/27/2007 | CN1988420A Method for detecting optic fiber polarization mould dispersion |
| 06/27/2007 | CN1988419A Measuring method for polarized dependent loss PDL |
| 06/27/2007 | CN1988418A Method for automatic scaling light module |
| 06/27/2007 | CN1987555A Optical modulation device, optical transmitter, and optical transmission equipment |
| 06/27/2007 | CN1987540A Series one divided into two optic fiber converter |
| 06/27/2007 | CN1987537A Chirp long period optic fiber grating for compensating wide band dispersion and its producing method |
| 06/27/2007 | CN1323504C Chromatic dispersion displacement optical fiber in interleaving optical fiber transmission system |
| 06/27/2007 | CN1323499C Device and method for realizing flexible networking used in time division duplex synchronous system |
| 06/27/2007 | CN1323498C Soluting method for protection of loop fault of optical transmission network by four fiber complex section sharing |
| 06/27/2007 | CN1323497C Manual business arrangement of connection oriented in optical transmission network |
| 06/27/2007 | CN1323496C Method of circuit business automatic distribution in synchronous digital system optical transmission system |
| 06/27/2007 | CA2572081A1 A method for network commissioning and upgrading using amplified spontaneous emission (ase) sources |
| 06/26/2007 | US7236743 Method and arrangement for noise rejection in a receiver circuit |
| 06/26/2007 | US7236709 Multi-input wavelocker for controlling laser wavelengths of multiple lasers |
| 06/26/2007 | US7236708 Optical communication system with optical output level control function |
| 06/26/2007 | US7236707 All-optical compression systems |
| 06/26/2007 | US7236706 Free space optics communication apparatus and free space optics communication system |
| 06/26/2007 | US7236705 Methods and systems for aligning and maintaining alignment of point-to-point transceivers in a network |
| 06/26/2007 | US7236703 Optical wavelength division multiplexing device |
| 06/26/2007 | US7236701 Optical transmission system for performing communication using a plurality of communication lines |
| 06/26/2007 | US7236661 Tunable dispersion compensation apparatus |
| 06/26/2007 | US7236657 Optical switch and optical add/drop multiplexer using the same |
| 06/26/2007 | US7236656 Optical transport network |
| 06/26/2007 | US7236595 Integrated optics encryption device |
| 06/26/2007 | US7236507 Time-based adjustment of temperature control of laser to stabilize wavelengths |
| 06/26/2007 | US7236295 Broadband light source |
| 06/26/2007 | US7236103 Infrared (IR) communication device for motor vehicles |
| 06/26/2007 | CA2388401C Optical bench |
| 06/26/2007 | CA2332788C Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method |
| 06/21/2007 | WO2007070230A2 Low emission signal generator and distribution system |
| 06/21/2007 | WO2007069631A1 Measuring instrument, measuring method, and transmission circuit |
| 06/21/2007 | WO2007069045A1 Low cost optical data tranceiver |
| 06/21/2007 | WO2007068182A1 650nm plastic optical fiber transmission system |
| 06/21/2007 | WO2007068145A1 Module with both analog and digital receiving-transmitting |
| 06/21/2007 | WO2006127206A3 Cotdr arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments |
| 06/21/2007 | WO2006124101A3 Accommodating multiple optical segments in an ethernet passive optical network |
| 06/21/2007 | WO2006096777A3 Transmitter frequency peaking for optical fiber channels |
| 06/21/2007 | WO2005081909A3 System and method for control of optical transmitter |
| 06/21/2007 | US20070140706 Optimum sample spacing in over-sampled maximum likelihood sequence estimation receivers |
| 06/21/2007 | US20070140705 Method and apparatus for pulse generation and adaptive pulse generation for optical communications |
| 06/21/2007 | US20070140704 Optical transmitter with enhanced SBS threshold power capability |
| 06/21/2007 | US20070140703 Electrical compensation of optical impairments |
| 06/21/2007 | US20070140702 Method and system for providing timing recovery in an optical system |
| 06/21/2007 | US20070140701 Optical signal polarisation control method and controller device |
| 06/21/2007 | US20070140700 Method and system for compensating for optical dispersion in an optical signal |
| 06/21/2007 | US20070140699 Radio-over-fiber link device using multi-mode fiber and method of setting signal band thereof |
| 06/21/2007 | US20070140698 Radio frequency signal device biasing circuit |
| 06/21/2007 | US20070140695 Demodulator |
| 06/21/2007 | US20070140694 Burst data reception method and apparatus in EPON |
| 06/21/2007 | US20070140691 Passive Optical Network User Terminal and Method of Power Supply Control and Power Supply State Reporting for the Same |
| 06/21/2007 | US20070140690 Integrated Memory Mapped Controller Circuit for Fiber Optics Transceiver |
| 06/21/2007 | US20070140689 Method and system for passive optical network diagnostics |
| 06/21/2007 | US20070140688 Method and apparatus for detecting a fault on an optical fiber |
| 06/21/2007 | US20070140634 Gain-producing, large-mode-area, multimode, hybrid optical fibers and devices using same |
| 06/21/2007 | US20070140258 Method for dynamic bandwidth allocation in passive optical network |
| 06/21/2007 | US20070139774 Light power adjusting method, optical transmitter, and optical receiver |
| 06/21/2007 | US20070139754 Optical transmission device and optical phase modulator |
| 06/21/2007 | US20070138417 Optical submarine transmission system |
| 06/21/2007 | DE10213966B4 Verfahren zur schnellen optischen Verbindung optischer Telekommunikationskanäle A method for fast optical coupling of optical telecommunication channels |
| 06/21/2007 | DE102005060256A1 Optical data transmission method for wavelength multiplex system, involves providing two transmission channels with different wavelengths, and automatically adjusting transmission parameter of channels based on determined value |
| 06/21/2007 | DE102005060019A1 Regelbarer optischer Verstärker und Verfahren zur Regelung eines optischen Verstärkers Controllable optical amplifier and method for controlling an optical amplifier |
| 06/21/2007 | DE102005055439B3 Four-level difference phase modulated data signal wavelength transformation arrangement for use in e.g. wavelength division multiplexing network, has addition unit to add partial signals to four-level amplitude modulated signal |
| 06/21/2007 | DE102004008393B4 Optischer Faserverstärker mit Feed-Forward- und Feedback-Regelung Optical fiber amplifier with feedforward and feedback control |
| 06/20/2007 | EP1798919A2 Method and system for compensating for optical dispersion in an optical signal |
| 06/20/2007 | EP1798886A2 Bi-directional optical transmission system |
| 06/20/2007 | EP1797660A2 Optical add/drop multiplexer with reconfigurable add wavelength selective switch |
| 06/20/2007 | EP1797654A1 Method and arrangement for the optical transmission of data signals by means of differential phase modulation in a polarisation multiplex method |
| 06/20/2007 | EP1797653A2 Transmitting device for free-space optical transmission |
| 06/20/2007 | EP1332390A4 Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams |
| 06/20/2007 | CN2914132Y Quick-connection stationary-type light attenuator |
| 06/20/2007 | CN2914113Y Fiber connection system applied to ion implantation apparatus |
| 06/20/2007 | CN1984099A Method and device for configuring adjacent cascade channel register |
| 06/20/2007 | CN1984013A Method for synchronouslly switching distributed RPR node state |
| 06/20/2007 | CN1984007A Photon grid middleware and its control based on optical network resource allocation on demand |