| 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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| 01/27/2004 | US6684030 Super-ring architecture and method to support high bandwidth digital “last mile” telecommunications systems for unlimited video addressability in hub/star local loop architectures |
| 01/27/2004 | US6684018 Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber |
| 01/27/2004 | US6684017 Optical transmission line and optical transmission system including the same |
| 01/27/2004 | US6684012 Optical communication module and process for producing the same |
| 01/27/2004 | US6684005 Connection of an add/drop node |
| 01/27/2004 | US6684004 Optical demultiplexer circuit and demultiplexer device and optical wavelength division multiplex circuit |
| 01/27/2004 | US6683855 Forward error correction for high speed optical transmission systems |
| 01/27/2004 | US6683713 Method, device, and system for level equalization |
| 01/27/2004 | US6683712 Optical amplification apparatus using Raman amplification |
| 01/27/2004 | US6683679 Optical flow monitor |
| 01/27/2004 | US6683590 Tricolor LED display system having audio output |
| 01/27/2004 | CA2222669C Optical timing detection |
| 01/27/2004 | CA2114471C Optically amplified transmission systems |
| 01/22/2004 | WO2004008800A1 A path protection method for a wdm network and according node |
| 01/22/2004 | WO2004008668A1 Light source for raman amplification/excitation having amplification band extension function, raman amplifier using the same, amplification band extension setting method, and program thereof |
| 01/22/2004 | WO2004008667A1 Optical receiver circuit |
| 01/22/2004 | WO2004008666A2 Distributed raman amplifier for optical network and method |
| 01/22/2004 | WO2004008665A1 Device for protecting fibre lines against destruction by laser radiation |
| 01/22/2004 | WO2004008664A1 Method and apparatus for directly modulating a laser diode using multi-stage laser driver circuity |
| 01/22/2004 | WO2004008663A2 Laser driver circuit and system |
| 01/22/2004 | WO2004008595A1 Distribution bragg reflection semiconductor laser, integrated semiconductor laser, semiconductor laser module, optical network system |
| 01/22/2004 | WO2004008594A1 Optical semiconductor device |
| 01/22/2004 | WO2004008578A1 Techniques for connecting a set of connecting elements using an improved latching apparatus |
| 01/22/2004 | WO2004008202A2 Scheme for controlling polarization in optical waveguides |
| 01/22/2004 | WO2004008187A2 Compensating for chromatic dispersion in optical fibers |
| 01/22/2004 | WO2003067768A3 Pulse generation for optical communications |
| 01/22/2004 | WO2003049334A3 Method for reducing optical carrier of signals circulating on an optical fiber, and device therefor |
| 01/22/2004 | US20040013437 Apparatus and method for combining multiple optical beams in a free-space optical communications system |
| 01/22/2004 | US20040013436 Direct optical amplifier correlating average level of main signal with level of pilot tone signal |
| 01/22/2004 | US20040013435 Apparatus and method for optimizing optical and electrical filtering of optical signals |
| 01/22/2004 | US20040013433 Remodulating channel selectors for WDM optical communication systems |
| 01/22/2004 | US20040013432 Direct backside optical fiber attachment to microprocessor chips |
| 01/22/2004 | US20040013431 Laser and laser signal combiner |
| 01/22/2004 | US20040013428 Optical transmission apparatus with function of detecting status |
| 01/22/2004 | US20040013426 Wavelength division multiplex (wdm) optical network |
| 01/22/2004 | US20040013424 Method and device for data-flow protection of optical interface in data communication equipment |
| 01/22/2004 | US20040013381 Dispersion managed optical fiber |
| 01/22/2004 | US20040013361 Compensating for chromatic dispersion in optical fibers |
| 01/22/2004 | US20040013360 Reflective splitting passive optical network |
| 01/22/2004 | US20040013353 Apparatus for regenerating all-optical signal and method thereof |
| 01/22/2004 | US20040013347 Optical switch and adjustment method thereof |
| 01/22/2004 | US20040013341 Optical transpose system |
| 01/22/2004 | US20040013104 Network comprising converters between electrical and optical signals |
| 01/22/2004 | US20040013040 Fiber-optic seismic array telemetry, system, and method |
| 01/22/2004 | US20040012843 Optical amplifier |
| 01/22/2004 | US20040012471 Rotary contactless connector and non-rotary contactless connector |
| 01/22/2004 | US20040011973 High speed optocoupler |
| 01/22/2004 | DE10321475A1 Optische Leistungs- und Arbeitsleistungsüberwachung eines PLC-Chips unter Verwendung von auf dem Chip befestigten Sensoren Optical power and performance monitoring of a PLC chip using sensors mounted on the chip |
| 01/22/2004 | DE10231275A1 Verfahren zum Übertragen von Information in einem optischen Netzwerk und Knoten für ein solches Netzwerk A method of transmitting information in an optical network and node for such a network |
| 01/22/2004 | DE10228753A1 Anordnungsverformung von optischen Sendeimpulsen Arrangement deformation of optical transmission pulses |
| 01/22/2004 | DE10228625A1 Beleuchtungsvorrichtung für den Innenraum von Kraftfahrzeugen Lighting device for the interior of motor vehicles |
| 01/22/2004 | CA2492650A1 Techniques for connecting a set of connecting elements using an improved latching apparatus |
| 01/22/2004 | CA2492499A1 Method and apparatus for directly modulating a laser diode using multi-stage laser driver circuity |
| 01/22/2004 | CA2492199A1 Scheme for controlling polarization in optical waveguides |
| 01/22/2004 | CA2487962A1 A path protection method for a wdm network and according node |
| 01/21/2004 | EP1383267A1 Quantum cipher communication system |
| 01/21/2004 | EP1383256A1 Method for building and improving an optical transmission line and compensation modules therefor |
| 01/21/2004 | EP1383255A2 Apparatus for regenerating all-optical signal and method thereof |
| 01/21/2004 | EP1383254A1 Reception apparatus |
| 01/21/2004 | EP1383253A2 Method and device for data-flow protection of optical interface in data communication equipment |
| 01/21/2004 | EP1382981A1 Dispersion managed optical fiber |
| 01/21/2004 | EP1382203A2 Burst-mode digital transmitter |
| 01/21/2004 | EP1382147A1 A network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth |
| 01/21/2004 | EP1382140A2 Optical sources and transmitters for optical telecommunications |
| 01/21/2004 | EP1382139A2 Optical coherent receiver using a time delay interferometer and adaptive beam combiner |
| 01/21/2004 | EP1382138A1 Burst-mode analog transmitter |
| 01/21/2004 | EP1381896A1 Method for upgrading bandwidth in an optical system utilizing raman amplification |
| 01/21/2004 | EP1027778B1 Multimode fiber link dispersion compensator |
| 01/21/2004 | EP0986921B1 Interconnect apparatus including a signal bus |
| 01/21/2004 | EP0826276B1 Multimode communications systems |
| 01/21/2004 | CN2600830Y Optical subassembly |
| 01/21/2004 | CN2600829Y 多通道光波分复用器 Multi-channel optical wavelength division multiplexer |
| 01/21/2004 | CN1470111A Bidirectional WDM optical communication system with bidirectional ADD-drop multiplexing |
| 01/21/2004 | CN1470110A 光传输系统 The optical transmission system |
| 01/21/2004 | CN1469663A Transmission method of light transmission maintaining information |
| 01/21/2004 | CN1469595A Loop network system |
| 01/21/2004 | CN1469590A Flow rate protecting method and device for light interface in data communication equipment |
| 01/21/2004 | CN1469579A Wave divid multiplying optical transmission system and wave divid multiplying optical transmission method |
| 01/21/2004 | CN1469578A Compensation method for temperature correlated gain spectrum characteristic of L-band Er-doped fiber amplifier |
| 01/21/2004 | CN1469577A Single-fiber bidirectional-transmitting WDM star multi-wavelength optical network system with k times reused wavelength |
| 01/21/2004 | CN1469576A WDM star multi-wavelength optical network system with k times reused wavelength |
| 01/21/2004 | CN1469558A Method and device for obtaining single photon output according to photon number distribution in output port |
| 01/21/2004 | CN1469556A System and method for sorting high-speed data signal with low-frequency spectrum signature |
| 01/21/2004 | CN1469179A Prepn process and device of continuously variable light attenuating plate |
| 01/21/2004 | CN1135770C Full optical wave length converter of integrated semiconductor light source based on short interference length |
| 01/21/2004 | CN1135752C 光网络 Optical Network |
| 01/21/2004 | CN1135751C Optical amplifier and method for amplifying optical signal |
| 01/21/2004 | CN1135750C Single sideband modulators |
| 01/21/2004 | CN1135749C Bandwidth distributing method based on ATM passive optical network |
| 01/21/2004 | CN1135748C Optical transmission system |
| 01/21/2004 | CN1135728C Equalizing method and equipment for electric distorted signals due to interference of optical domain |
| 01/21/2004 | CN1135509C Radio frequency identification system for detecting objects sticked with resonant intelligent tags |
| 01/20/2004 | US6681116 Communication system |
| 01/20/2004 | US6681083 Power splitter for optical networks |
| 01/20/2004 | US6681082 Wavelength division multiplexing optical transmission system, optical amplifier and dispersion compensator |
| 01/20/2004 | US6681081 Method of avoiding excessive polarization mode dispersion in an optical communications link |
| 01/20/2004 | US6681080 Wake-up circuit for an electronic apparatus |
| 01/20/2004 | US6681079 Optical fibre monitoring system |
| 01/20/2004 | US6681073 Fiber optic power control systems and methods |
| 01/20/2004 | US6681066 Soliton pulse transmission over waveguide fiber lengths |