| 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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| 07/29/2004 | WO2004064207A2 Quantum dot devices having proximity-placed acceptor impurities |
| 07/29/2004 | WO2004064005A2 Circuit arrangements and methods for a remote control receiver having a photodiode |
| 07/29/2004 | WO2004064002A2 System and method for fiber optic communication with safety-related alarm systems |
| 07/29/2004 | WO2004063782A1 Device, system and method for emulating polarization mode dispersion of optical fibers |
| 07/29/2004 | WO2004063698A2 System for detection of wafer defects |
| 07/29/2004 | WO2004063684A1 Optical device, monitor device, inverse dispersion double spectroscope, and method for controlling inverse dispersion double spectroscope |
| 07/29/2004 | WO2004047344A3 Methods and apparatuses to provide a broadband light source with two or more output ports |
| 07/29/2004 | WO2004038964A3 Integrated optical detector directly attached to readout integrated circuit |
| 07/29/2004 | WO2004023702A3 System and method for optical data communication |
| 07/29/2004 | WO2004019074A3 Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path |
| 07/29/2004 | WO2003081826A3 Supervisory channel in an optical network system |
| 07/29/2004 | US20040146308 Receiver for optical transmission systems in air with increased receiving area and method for increasing the receiving area of such a receiver |
| 07/29/2004 | US20040146307 Method to inject pilot tone into microcontroller-supervised DWDM transmitters |
| 07/29/2004 | US20040146306 Technique for power control in optical networks |
| 07/29/2004 | US20040146305 OTDR arrangement for detecting faults in an optical transmission system employing two pairs of unidirectional optical fibers |
| 07/29/2004 | US20040146304 Optical transceiver modules |
| 07/29/2004 | US20040146302 Channel power control method in WDM system |
| 07/29/2004 | US20040146300 Optical packet routing network system based on optical label switching technique |
| 07/29/2004 | US20040146299 Periodic optical packet switching |
| 07/29/2004 | US20040146297 Method and system for increasing the capacity and spectral effeciency of optical transmission |
| 07/29/2004 | US20040146296 Integrated electrical/optical hybrid communication system with revertive hitless switch |
| 07/29/2004 | US20040146295 System for detection of wafer defects |
| 07/29/2004 | US20040146258 Optical fiber, dispersion compensator, optical transmission line and optical communications system |
| 07/29/2004 | US20040146239 Optical crossconnect device and monitoring method of optical crossconnect device |
| 07/29/2004 | US20040146234 Optical communication system and apparatus for compensation or emulation of pmd effects |
| 07/29/2004 | US20040145799 Controlling optical receiver transimpedance amplifier and receive diode operational settings |
| 07/29/2004 | US20040144913 Apparatus and method for setting AC bias point of an optical transmitter module in an optoelectronic transceiver |
| 07/29/2004 | DE4305418B4 Optisches Übertragungsgerät The optical transmission device |
| 07/29/2004 | DE10303314A1 Output stage for wavelength division multiplexing transmission, has auxiliary circuit for supplying one of two filling light sources with continuously decreasing desired-power signal |
| 07/29/2004 | DE10303313A1 Message transmission method via optical fiber, by distributing change in optical power of filling channels to reduce displacement of entire spectrum |
| 07/29/2004 | DE10237403B4 Opto-elektronisches Sende- und/oder Empfangsmodul und optischer Stecker Opto-electronic transmitting and / or receiving module and optical connector |
| 07/28/2004 | EP1441455A2 Mach-Zehnder interferometer type optical filter and control method thereof |
| 07/28/2004 | EP1441454A2 Optical amplifier having polarization mode dispersion compensation function |
| 07/28/2004 | EP1441453A1 Wide band transmission system utilizing raman amplification |
| 07/28/2004 | EP1441452A2 Raman amplification system |
| 07/28/2004 | EP1060581B1 Testing of optical transmitter and receiver modules |
| 07/28/2004 | CN2629348Y Apparatus for obtaining single-photon output according to output port photon number distribution |
| 07/28/2004 | CN2629051Y Four-port closed circuit circulator |
| 07/28/2004 | CN1516934A 光网络系统和控制器 Optical network systems and controllers |
| 07/28/2004 | CN1516932A Integrated environmental control and management system for free-space optical communication system |
| 07/28/2004 | CN1516382A Bidirectional wavelength division multiplexing self recovering ring network |
| 07/28/2004 | CN1516364A Method for implementing extra-long distance transmission |
| 07/28/2004 | CN1516363A Method for reducing Brillonin scattering effect influence excited in optical transmission system |
| 07/28/2004 | CN1516362A Temperature compensating equipment for avalanche photodiode optical receiver |
| 07/28/2004 | CN1159880C Signalling of wavelength divison multiplex networks for fibre-optic communication and transmission method for control information |
| 07/28/2004 | CN1159869C Infraved data cross-linking chain circuit |
| 07/28/2004 | CN1159868C Control method and device for stabilizing output of light receiver |
| 07/28/2004 | CN1159867C Method of increasing isolation bandwidth of isolator and wide-band isolator |
| 07/28/2004 | CN1159862C Matrix antenna base station device |
| 07/28/2004 | CN1159712C Low noise storage system and method based on an optical polarimetric delay line |
| 07/27/2004 | US6768876 Method and apparatus for tracking an optical communications system |
| 07/27/2004 | US6768875 Polarization mode dispersion compensation |
| 07/27/2004 | US6768874 Chromatic dispersion compensation device |
| 07/27/2004 | US6768873 Optical communication system using optical transcription material |
| 07/27/2004 | US6768872 Optical transmission system, optical transmission line and optical transmitter |
| 07/27/2004 | US6768870 Transparent fiber-optic communication network |
| 07/27/2004 | US6768852 Dispersion and slope compensating optical fiber and transmission link including same |
| 07/27/2004 | US6768848 Optical fiber and optical transmission line using the same, and optical transmission system |
| 07/27/2004 | US6768833 Optical communications systems including a branching unit and associated devices and methods |
| 07/27/2004 | US6768831 Optical add-drop multiplexing apparatus |
| 07/27/2004 | US6768830 Optical add/drop switch utilizing a minimal number of switching crosspoints |
| 07/27/2004 | US6768822 Chromatic dispersion compensation |
| 07/27/2004 | US6768745 Flexible SONET access and transmission system |
| 07/27/2004 | US6768591 Interleaver |
| 07/27/2004 | US6768580 Optical direct amplifier device |
| 07/27/2004 | US6768579 Optical amplifier arrangement having a variably settable attenuator |
| 07/27/2004 | US6768578 Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands |
| 07/27/2004 | US6768577 Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiers |
| 07/27/2004 | US6768103 System and method of automatic dynamic calibration for infrared sensing device |
| 07/24/2004 | CA2417317A1 Optical structure for the compensation of chromatic dispersion and dispersion slope in a light signal |
| 07/22/2004 | WO2004062185A1 Method for estimating bit-error-ratios within an optical communications network |
| 07/22/2004 | WO2004062141A1 Electroluminescent diode lighting device comprising a communication device and installation comprising one such device |
| 07/22/2004 | WO2004062139A2 A multi-input variable gain amplifier |
| 07/22/2004 | WO2004062138A1 Process of information transmission in optical circuit device and optical circuit device therefor |
| 07/22/2004 | WO2004061486A2 Optical amplifier |
| 07/22/2004 | WO2004061484A2 Extended source free-space optical communication system |
| 07/22/2004 | WO2004061483A2 Method and apparatus for maintaining optical alignment for free-space optical communication |
| 07/22/2004 | WO2004040809A3 Gain control in optical amplifiers |
| 07/22/2004 | WO2004019503A9 Method and apparatus for providing staggered groupwise dispersion compensation in a wdm optical communication system |
| 07/22/2004 | WO2004019073A3 Method and apparatus for using optical idler tones for performance monitoring in a wdm optical transmission system |
| 07/22/2004 | WO2003081302A3 Optically powered and controlled optical switch |
| 07/22/2004 | US20040143697 Communication module configurable with firmware and related method |
| 07/22/2004 | US20040141758 System and method for providing multiple services to a destination via a fiber optic link |
| 07/22/2004 | US20040141757 Optical router |
| 07/22/2004 | US20040141756 Method and apparatus for adjusting filter device |
| 07/22/2004 | US20040141754 Alignment system and method for optical satellite communication |
| 07/22/2004 | US20040141753 Apparatus and method for tracking in free-space optical communication systems |
| 07/22/2004 | US20040141752 Free space optical communication system with power level management |
| 07/22/2004 | US20040141751 Bi-directional optical monitor interconnect |
| 07/22/2004 | US20040141750 Optical switch using multimode interferometer, and optical demultiplexer |
| 07/22/2004 | US20040141749 Optical receiver and optical add/drop apparatus |
| 07/22/2004 | US20040141747 Method and system for supporting multiple service providers within a single optical network |
| 07/22/2004 | US20040141746 Flexible wdm ring network |
| 07/22/2004 | US20040141745 Data transmission system and method in EPON, and recording medium storing program of the same |
| 07/22/2004 | US20040141744 System for distributing information and energy using fiber optic and optical wireless networks |
| 07/22/2004 | US20040141743 Optical packet routing network system based on optical label switching technique |
| 07/22/2004 | US20040141704 Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable |
| 07/22/2004 | US20040141695 Disable/enable control for laser driver eye safety |
| 07/22/2004 | US20040141686 Optical high speed rotary joint |
| 07/22/2004 | US20040141683 Optical switching element having movable optically transmissive microstructure |