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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05/08/2002 | CN1084562C Actual reference switching unit and method |
05/08/2002 | CN1084560C Optical transmission system and transmitting terminal station |
05/08/2002 | CN1084558C 光通信系统及光放大器 Optical communication systems and optical amplifiers |
05/08/2002 | CN1084286C 电梯设备 Elevator equipment |
05/08/2002 | CA2360695A1 Optical cross-connecting device |
05/07/2002 | US6385561 Automatic fault location in cabling systems |
05/07/2002 | US6385552 Method for collecting test measurements |
05/07/2002 | US6385379 Broadband stepped index optical fiber |
05/07/2002 | US6385367 Parallel data transmission through segmented waveguides of large diameter |
05/07/2002 | US6385357 Method and apparatus for compensating for higher order paid PMD in a fiber transmission system at the fiber output |
05/07/2002 | US6385356 Method and apparatus for compensating for higher order PMD in a fiber transmission system |
05/07/2002 | US6385206 Communication network and method, and node and exchange node used therein |
05/07/2002 | US6384977 Fabricating optical waveguide gratings |
05/07/2002 | US6384963 Optical communication system with co-propagating pump radiation for raman amplification |
05/07/2002 | US6384962 Method and apparatus to perform automatic gain equalization using raman amplifiers |
05/07/2002 | US6384954 Optical modulator |
05/07/2002 | US6384948 High-sensitivity, high-speed digital optical photoreceiver |
05/07/2002 | US6384947 Two path digital wavelength stabilization |
05/07/2002 | US6384945 Nonlinear temporal grating as a new optical solitary wave |
05/07/2002 | US6384944 Integral transmitter-receiver optical communication apparatus |
05/07/2002 | US6384943 Optical wavelength multiplex transmission method and optical dispersion compensation method |
05/07/2002 | US6384689 Preamplifier for optical receivers |
05/07/2002 | US6384662 Electronic circuit |
05/07/2002 | US6384399 Optical receiving circuit comprising a reflection coefficient setting circuit |
05/02/2002 | WO2002035743A2 Polarization mode dispersion compensating apparatus, system, and method |
05/02/2002 | WO2002035742A1 Use of opa for switching and routing in wdm networks |
05/02/2002 | WO2002035741A2 System and method for optical fiber telecommunication by simultaneous transmission in two optical windows |
05/02/2002 | WO2002035739A1 Numerical analysis method for the nonlinear differential equation governing optical signal transmissions along optical fibers |
05/02/2002 | WO2002035733A1 Method for building up a wireless system for accessing communication networks |
05/02/2002 | WO2002035713A2 Method and system using holographic methodologies for all-optical transmission and reception of high bandwidth signals |
05/02/2002 | WO2002035665A1 Optical transmitter, optical repeater and optical receiver, and optical transmitting method |
05/02/2002 | WO2002035493A2 Method and device for carrying out a signal transfer |
05/02/2002 | WO2002035278A1 Polarisation dependent loss generators |
05/02/2002 | WO2002035271A1 Dispersion compensator |
05/02/2002 | WO2002035270A1 Waveguide fiber dispersion compensating regenerator |
05/02/2002 | WO2002035200A1 Optical pulse generator, and optical pulse testing instrument and method |
05/02/2002 | WO2001088571A3 Multi-channel optical transceiver |
05/02/2002 | WO2001079899A3 Adjustable optical fiber grating dispersion compensators |
05/02/2002 | WO2001067647A3 Method and apparatus for interleaved optical single sideband modulation |
05/02/2002 | WO2001061391A3 Fiber optic device operating at two or more wavelengths |
05/02/2002 | WO2001058039A3 System and method for modularizing the functionality of an electronic device |
05/02/2002 | WO2001050775A3 Method for increasing data transfer capacity of a data communications network, such as a cable television network |
05/02/2002 | WO2000049740A9 Method and apparatus for improving spectral efficiency in fiber-optic communication systems |
05/02/2002 | US20020052960 Automatic assignment of addresses to nodes in a network |
05/02/2002 | US20020052183 Communication system |
05/02/2002 | US20020051619 Distortion analyzer |
05/02/2002 | US20020051611 Optical fiber and optical transmission line using this optical fiber |
05/02/2002 | US20020051510 Phase/frequency comparator |
05/02/2002 | US20020051285 Broadband amplifier and communication system |
05/02/2002 | US20020051284 Light wavelength-multiplexing systems |
05/02/2002 | US20020051279 Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same |
05/02/2002 | US20020051274 Apparatus and method for modulating optical intensity with amplitude noise suppressed by using linear optical modulator |
05/02/2002 | US20020051271 Loss of signal detection circuit for light receiver |
05/02/2002 | US20020051270 Optical fiber communication equipment and its applied optical systems |
05/02/2002 | US20020051269 Reconfigurable over-the-air optical data transmission system |
05/02/2002 | US20020051267 Bidirectionally transmittable optical wavelength division muliplexed transmission system |
05/02/2002 | US20020050557 Photodetector array and optical communication monitor module using the same |
05/02/2002 | EP1202480A2 Bidirectional optical fiber communication system, communications apparatus and optical transceiver |
05/02/2002 | EP1202479A1 Dispersion compensation system |
05/02/2002 | EP1202477A2 Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable |
05/02/2002 | EP1202476A1 System and transmitter for transmitting optical data |
05/02/2002 | EP1202475A2 Communication system having radio units connected to optical fibers |
05/02/2002 | EP1202474A1 Point-to-multipoint free-space wireless optical communication system |
05/02/2002 | EP1202105A2 Optical signal transmission system and magneto-optical modulator |
05/02/2002 | EP1202091A2 A polarization-independent, configurable optical multiplexer |
05/02/2002 | EP1202088A1 Dispersion compensating fiber for the compensation of an optical fiber transmission line with positive chromatical dispersion |
05/02/2002 | EP1201099A1 Data compression apparatus and method therefor |
05/02/2002 | EP1201011A2 Gain flattening with nonlinear sagnac amplifiers |
05/02/2002 | EP1200710A1 Communications apparatus |
05/02/2002 | EP1044521A4 A long-haul terrestrial optical fiber link having low-power optical line amplifiers with integrated dispersion compensation modules |
05/02/2002 | EP0782799B1 Efficient optical wavelength multiplexer/de-multiplexer |
05/02/2002 | DE10054552A1 Device for coupling together optical emitting and pick-up elements with optical axes offset against each other maps beams of light for the emitting element's optically active zone onto an optically active zone for a pick-up element. |
05/02/2002 | DE10052700A1 Signal transfer is effected using data set on card, generating electromagnetic wave through integral transmitter |
05/02/2002 | DE10050973A1 Optical wavelength monitor for passive optical components has an oscillator for modulating the optical signals fed to an optical amplifier with a frequency |
05/01/2002 | CN1347512A Optical fiber and optical transmission line comprising same |
05/01/2002 | CN1347210A Code overlapped fast hopping optical CDMA access system |
05/01/2002 | CN1347209A Method and device for controlling received power level in free space optical communication system |
05/01/2002 | CN1347208A One-point-to-multipoint free space radio optical communication system |
05/01/2002 | CN1347207A Telescope for free space radio optical communication system |
05/01/2002 | CN1347161A LED drive circuit and light transmission module therewith |
05/01/2002 | CN1346991A Optical fibre, and dispersion compensator, optical transmission line and optical transmission system using same |
05/01/2002 | CN1084100C Optical multichannel communication system and method |
05/01/2002 | CN1084099C Optical system employing near-incoherent processing for distortion correction |
05/01/2002 | CN1084098C Amplified telecommunication system for wavelength division multiplexing transmissions |
05/01/2002 | CN1084097C Optical time slot interchanger apparatus and method of operation |
05/01/2002 | CN1083988C Optical fibre and coupling method thereof |
04/30/2002 | US6381391 Method and system for generating a broadband spectral continuum and continuous wave-generating system utilizing same |
04/30/2002 | US6381385 Polarization mode dispersion emulation |
04/30/2002 | US6381248 Network architecture uses mini-fiber node and mini-coaxial node technologies to provide bi-directional broadband communications |
04/30/2002 | US6381069 Fiber Bragg grating optical filter with a constant group-delay response in its working band |
04/30/2002 | US6381064 Method for gain equalization, and device and system for use in carrying out the method |
04/30/2002 | US6381056 Dark pulse generation and transmission |
04/30/2002 | US6381055 Transceiver positioning in free-space optical networks |
04/30/2002 | US6381054 Optical pulse transmission system, optical pulse transmitting method, and optical pulse detecting method |
04/30/2002 | US6381049 Multi-port optical multiplexer element |
04/30/2002 | US6381048 Wavelength division multiplexed system having reduced cross-phase modulation |
04/30/2002 | US6381047 Passive optical network using a fabry-perot laser as a multiwavelength source |
04/30/2002 | US6381045 Method and apparatus for bidirectional communication over a single optical fiber |
04/30/2002 | US6380871 System for and method of searching for targets in a marine environment |
04/30/2002 | US6380844 Interactive remote control toy |