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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06/13/2002 | WO2002047293A1 Integrated optical time domain reflectometer and optical supervisory network |
06/13/2002 | WO2002047292A1 Interference -robust coded-modulation scheme for optical communications and method for modulating illumination for optical communications |
06/13/2002 | WO2002047277A2 System and method for processing a signal |
06/13/2002 | WO2002047122A2 Methods and apparatus for beaming power |
06/13/2002 | WO2002046835A2 Dynamic gain equalizer for optical amplifiers |
06/13/2002 | WO2002046816A1 Chirped bragg grating reflectors and adjustable dispersion apparatus incorporating such gratings |
06/13/2002 | WO2002009323A3 System and method for improving optical signal-to-noise ratio measurement range of a monitoring device |
06/13/2002 | WO2001095526A3 Method and apparatus for optical signal detection |
06/13/2002 | WO2001086838A3 Method and apparatus for maintaining a pre-determined ratio of a pilot tone power and a mean optical output power of an optical signal |
06/13/2002 | WO2001080507A3 Method and apparatus for arbitrary waveform generation using photonics |
06/13/2002 | WO2001080378A3 Optical amplifiers with a simple gain/output control device |
06/13/2002 | WO2001045981A3 Optical free space signalling system |
06/13/2002 | US20020071458 Version with markings to show changes made |
06/13/2002 | US20020071344 Integrated circuit receiver available for infrared or ultrasonic transmission with digital filtering |
06/13/2002 | US20020071173 Dynamically tunable optical amplifier and fiber optic light source |
06/13/2002 | US20020071164 Optically amplified back-up receiver |
06/13/2002 | US20020071163 Optical transmitter and optical transmitting apparatus using the same |
06/13/2002 | US20020071162 Method of implementing optical data transmission of mobile station, data transmission element and mobile station stand |
06/13/2002 | US20020071161 Interference-robust coded-modulation scheme for optical communications and method for modulating illumination for optical communications |
06/13/2002 | US20020071160 Establishment and maintenance of optical links between optical transceiver nodes in free-space optical communications networks |
06/13/2002 | US20020071159 Network transceiver for extending the bandwidth of optical fiber-based network infrastructure |
06/13/2002 | US20020071157 Packet router for use in optical transmission networks |
06/13/2002 | US20020071155 Cross phase modulation suppressing device in wavelength division multiplexing optical transmission system and optical communication system |
06/13/2002 | US20020071153 Method for composite packet-switching over WDM by transparent photonic slot routing |
06/13/2002 | US20020071150 Apparatus and method for controlling routing |
06/13/2002 | US20020071149 Apparatus and method for protection of an asynchronous transfer mode passive optical network interface |
06/13/2002 | US20020071148 Optical communications network and nodes for forming such a network |
06/13/2002 | US20020071147 Method of automatically synchronously testing the infrared equipment of an electronic apparatus |
06/13/2002 | US20020070335 Packaged micromirror assembly with in-package mirror position feedback |
06/13/2002 | DE10061836A1 Lichtwellenleiterkabel und Verfahren zum Übertragen von optischen Signalen, insbesondere nach der Wellenlängenmultiplextechnik Fiber optic cable and method for transmitting optical signals, in particular according to the wavelength multiplexing technique |
06/13/2002 | DE10058774A1 Optical transmitter, especially laser transmitter, has amplifier unit dimensioned so permissible load produced by parallel Ohmic resistance, signal line and transmitter unit impedances |
06/13/2002 | CA2431161A1 Chirped bragg grating reflectors and adjustable dispersion apparatus incorporating such gratings |
06/12/2002 | EP1213945A1 Packet router for an optical transmission network |
06/12/2002 | EP1213944A2 Module and method for reconfiguring optical networks |
06/12/2002 | EP1213865A1 Wavelength division multiplex optical transmitter |
06/12/2002 | EP1213858A2 System for diversity receiver for mitigating the effects of fiber dispersion by separate detection of two transmitted sidebands |
06/12/2002 | EP1213857A1 Point-to-multipoint wide area telecommunications network via atmospheric laser transmission through a remote optical router |
06/12/2002 | EP1213658A2 Optical communication interface module for universal serial bus |
06/12/2002 | EP1213595A2 Chromatic dispersion compensation in a fiber transmission system and compensation fiber |
06/12/2002 | EP1212861A1 Optical fiber ring communication system |
06/12/2002 | EP1212855A1 Apparatus and methods for extracting two distinct frequency bands from light received by a photodiode |
06/12/2002 | EP0892701B1 Electric shaving system |
06/12/2002 | EP0873612A4 Switchable wavelength add/drop component |
06/11/2002 | US6404964 Dispersion managed optical waveguide and system with distributed amplification |
06/11/2002 | US6404959 Diffractive vertical cavity surface emitting laser power monitor and system |
06/11/2002 | US6404952 Optical communication system with chromatic dispersion compensation |
06/11/2002 | US6404951 Transverse spatial mode transformer for optical communication |
06/11/2002 | US6404950 Dispersion-compensating module |
06/11/2002 | US6404949 Optical fiber interface for integrated circuit test system |
06/11/2002 | US6404940 Optical cross connect apparatus and optical network |
06/11/2002 | US6404609 Circuit that reduces the numbers of components needed to transmit data from intrinsically safe to non-intrinsically safe circuits using opto-couplers |
06/11/2002 | US6404540 L-band optical fiber amplifier using seed beam |
06/11/2002 | US6404533 Optical amplitude modulator |
06/11/2002 | US6404528 Receiver for an optical communications system and method for operating such a system |
06/11/2002 | US6404527 Method and apparatus for transmitting a response signal from an optical repeater to a terminal requesting status information |
06/11/2002 | US6404526 WDM system that uses nonlinear temporal gratings |
06/11/2002 | US6404525 Optical add-drop multiplexer |
06/11/2002 | US6404524 Method and system for securing wavelength division multiplex systems |
06/11/2002 | US6404523 Wavelength division multiplexing system and its termination |
06/11/2002 | US6404520 Fault isolation of an optical link by correlating PMD events with other measurements |
06/11/2002 | US6403948 Photo-detecting module having a fiber optic groove on rear surface of integrated circuit device |
06/11/2002 | US6403203 Magnetic recording medium and magnetic recording apparatus using the same |
06/11/2002 | US6402743 Smart recognition apparatus and method |
06/11/2002 | CA2253614C Duobinary coding and modulation technique for optical communication systems |
06/11/2002 | CA2235026C Current control for an analog optical link |
06/08/2002 | CA2327908A1 Apparatus and method for detecting bit disparity within a data stream |
06/06/2002 | WO2002045308A1 Point-to-multipoint passive optical network that utilizes variable-length packets |
06/06/2002 | WO2002045303A1 Method and apparatus for removing non-linear distortion in optic transmitter |
06/06/2002 | WO2002045302A2 Device and method for detecting distortions during optical information transmission |
06/06/2002 | WO2002045301A2 Optically amplified receiver |
06/06/2002 | WO2002045300A1 A transmitter-receiver device and a communication system |
06/06/2002 | WO2002045298A2 Optical shutter |
06/06/2002 | WO2002045297A2 Optical communications using multiplexed single sideband transmission and heterodyne detection |
06/06/2002 | WO2002045255A1 Amplifier circuit, an optical communication system and a method of controlling amplification |
06/06/2002 | WO2002015633A3 Optical transpose system |
06/06/2002 | WO2002009299A3 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system |
06/06/2002 | WO2002003579A3 System and method for increasing capacity of undersea cables |
06/06/2002 | WO2002001765A3 Optical power and wavelength monitor |
06/06/2002 | WO2001091339A3 Optical transmission systems and methods including optical protection |
06/06/2002 | WO2001086840A3 Polarization mode dispersion (pmd) compensator |
06/06/2002 | WO1996005664A3 Optical synchronisation arrangement, transmission system and optical receiver |
06/06/2002 | US20020068562 Isd wireless network |
06/06/2002 | US20020067890 Arrayed waveguide grating, arrayed waveguide grating module, arraued waveguide grating module waveguide compensation method, optical communication system |
06/06/2002 | US20020067889 Adaptive dispersion compensating element |
06/06/2002 | US20020067883 System and method for increasing channel capacity of fiber-optic communication networks |
06/06/2002 | US20020067747 Method and apparatus for arbitrary waveform generation using photonics |
06/06/2002 | US20020067538 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
06/06/2002 | US20020067537 Dispersion compensating nonlinear polarization amplifiers |
06/06/2002 | US20020067532 Optical receiving apparatus and method |
06/06/2002 | US20020067531 Ultrasonic and infrared transmitter with tunable carrier frequency |
06/06/2002 | US20020067530 Optical communication interface module for universal serial bus |
06/06/2002 | US20020067527 Optical time-division multiplex signal processing apparatus and method, optical time-division multiplex signal receiver |
06/06/2002 | US20020067526 Bi-directional optical add/drop multiplexer |
06/06/2002 | US20020067525 Wavelength division multiplex optical transmission system |
06/06/2002 | US20020067524 Optical communications terminal station, optical signal transmission method, and optical signal increasing method in wavelength multiplexing system |
06/06/2002 | US20020067523 Interconnected broadcast and select optical networks with shared wavelengths |
06/06/2002 | US20020067522 Optical transmission line monitoring apparatus and receiving station |
06/06/2002 | US20020067269 Spread spectrum telemetry of physiological signals |
06/06/2002 | US20020066850 Monolithic loss-of-signal detect circuitry |
06/06/2002 | DE10057659A1 Optical transmission system has cascaded Raman amplifiers with several pump sources with different wavelengths set to achieve flat gain spectrum for signal with several optical channels |