Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
08/2003
08/26/2003US6611637 Dispersion-compensating module
08/26/2003US6611541 Laser diode matching circuit and method of impedance matching therefor
08/26/2003US6611373 Optical amplification block, and optical amplification system using the same
08/26/2003US6611371 Single parameter gain slope adjuster for an optical system
08/26/2003US6611370 Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance
08/26/2003US6611368 Time-division multiplexed pump wavelengths resulting in ultra broad band, flat, backward pumped Raman gain
08/26/2003US6609841 Low noise optical storage system based on an optical polarimetric delay line
08/26/2003US6609840 Wave length associative addressing system for WDM type light packet steering
08/26/2003US6609839 Device including a saturable absorber for regenerating a wavelength-division multiplex signal
08/26/2003US6609834 Multimode communications systems
08/26/2003US6609690 Apparatus for mounting free space optical system equipment to a window
08/26/2003CA2257978C Low power microcellular wireless drop interactive network
08/21/2003WO2003069812A1 Optical transmission system with raman amplifiers comprising a supervisory system
08/21/2003WO2003069811A1 Optical transmission system with raman amplifiers comprising a supervisory system
08/21/2003WO2003069810A2 Optical fiber communication systems with brillouin effect amplification
08/21/2003WO2003069439A2 Control circuit for optoelectronic module with integrated temperature control
08/21/2003WO2003069379A2 Avalanche photodiode controller circuit for fiber optics transceiver
08/21/2003WO2003030311A3 Method and system for locking transmission wavelengths for lasers in a dense wavelength multiplexer utilizing a tunable etalon
08/21/2003WO2002079822A3 Method and apparatus for providing dispersion in dispersion compensation modules
08/21/2003WO2002052755A3 Method and apparatus for stabilizing a broadband source
08/21/2003US20030156846 Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
08/21/2003US20030156845 Optical communication system with two parallel transmission paths
08/21/2003US20030156844 Communications device and communications system
08/21/2003US20030156843 Device for optical signal transmission
08/21/2003US20030156842 Infrared communication module with remote control transmission function
08/21/2003US20030156840 Wavelength division multiplexing optical transmission apparatus and communication system using the same
08/21/2003US20030156784 Optical fiber transmission system
08/21/2003US20030156776 Method for compensating polarization mode dispersion occurring optical transmission fiber and apparatus therefor
08/21/2003US20030156678 Noncontact type signal transmission device and x-ray computed tomography apparatus including the same
08/21/2003US20030156317 Communications network architecture
08/21/2003US20030156316 Dispersion-compensated raman optical fiber amplifier
08/21/2003US20030156296 Method and apparatus for estimating chromatic dispersion in fibre bragg gratings
08/21/2003US20030156295 Test structure for simultaneously characterizing two ports of an optical component using interferometer-based optical network analysis
08/21/2003US20030155490 Method and apparatus for detecting malfunctions in communication systems
08/21/2003CA2475088A1 Optical fiber communication systems with brillouin effect amplification
08/20/2003EP1336287A1 Calling from a radiotelephone terminal
08/20/2003EP1135707B1 Array and method for monitoring the performance of dwdm multiwavelenght systems
08/20/2003EP1121605B1 Method and device for determining the position of communication satellites
08/20/2003CN2567893Y Mobile phone with special infrared transmission function
08/20/2003CN2567880Y Wave division multiplex device
08/20/2003CN2567879Y Optical transmission equipment for mixed network
08/20/2003CN2567837Y Semiconductor laser emission module
08/20/2003CN2567610Y Variable light attenuator of quick responded
08/20/2003CN2567592Y 光学开关 Optical switch
08/20/2003CN1437806A Arrangement for producing a wavelength-multiplex signal with small interchannel spaces
08/20/2003CN1437782A Long Band optical amplifier
08/20/2003CN1437703A Wavelength monitor for WDM systems
08/20/2003CN1437347A Optical communication network and design method of optical communication network
08/20/2003CN1437334A Optical transmitting line
08/20/2003CN1437333A Space light transmitting and receiving system
08/20/2003CN1118983C 光传输系统 The optical transmission system
08/20/2003CN1118877C Realizing method of semiconductor lightwave and photoelectronic device with non-parallel cavities structure
08/19/2003US6609166 IRDA communication IC, electronic apparatus and externally-fitted communication apparatus having such an IRDA communication IC, and method of adding an IRDA communication function
08/19/2003US6608854 Method, device, and system for waveform shaping of signal light
08/19/2003US6608835 Communication system with multicarrier telephony transport
08/19/2003US6608721 Optical tapped delay line
08/19/2003US6608710 Automatic gain control circuit and optical receiver
08/19/2003US6608709 Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
08/19/2003US6608708 System and method for using a holographic optical element in a wireless telecommunication system receiver
08/19/2003US6608669 Quadrature processed LIDAR system
08/19/2003US6607849 Magnetic recording medium and magnetic recording apparatus using the same
08/19/2003US6607311 Method and system transmitting optical signals generated by multi-line sources via WDM optical network
08/19/2003US6607278 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
08/14/2003WO2003067796A1 Wavelength division multiplex optical telecommunications network
08/14/2003WO2003067791A1 Dispersion tolerant optical data transmitter
08/14/2003WO2003067790A1 Dispersion tolerant optical data transmitter
08/14/2003WO2003067768A2 Pulse generation for optical communications
08/14/2003WO2003067321A1 Optical to radio frequency detector
08/14/2003WO2003067314A1 Conversion between optical and radio frequency signals
08/14/2003WO2003040777A3 Integrated adaptive chromatic dispersion/polarization mode dispersion compensation system
08/14/2003WO2003028264A3 Light source for generating an output signal having spaced apart frequencies
08/14/2003WO2002103936A3 Method and apparatus for reporting input powers in an optical device
08/14/2003WO2002048751A9 Dense wavelength division multiplexing (dwdm) fiberoptic source
08/14/2003WO2001094990A3 Polarisation-insensitive diffraction grating for wavelength division multiplexer
08/14/2003US20030154497 Optical coaxial hybrid transmission system
08/14/2003US20030153387 System, method, and apparatus for bi-directional infrared communication
08/14/2003US20030152393 Micro-nano scale hetrodyne wavelength division demultiplexing for microscopy/tomography having parallel data acquisition
08/14/2003US20030152392 Data compression apparatus and method therefor
08/14/2003US20030152390 Control circuit for optoelectronic module with integrated temperature control
08/14/2003US20030152388 Optical transmission equipment for suppressing a four wave mixing and optical transmission system
08/14/2003US20030152387 Method for transmitting multi-level signals through dispersive media
08/14/2003US20030152385 Wavelength division multiplexing optical performance monitors
08/14/2003US20030152384 Optical transmission apparatus
08/14/2003US20030152322 System for higher-order dispersion compensation including a delay line
08/14/2003US20030152321 Method for higher-order dispersion compensation
08/14/2003US20030152320 System for higher-order dispersion compensation
08/14/2003US20030152317 Safety procedure for optical fiber systems and safety interface to carry out such safety procedure
08/14/2003US20030151803 Method and system for controlling amplifier power in an optical communications network having add/drop capability
08/14/2003US20030151802 Highly scalable modular optical amplifier based subsystem
08/14/2003US20030151801 System and method for optical performance data collection
08/14/2003US20030151799 Gain control in wavelength switched optical networks
08/14/2003US20030151789 Method of dynamically controlling an optical module
08/14/2003US20030151788 Optoelectronic device
08/14/2003US20030151521 Optical submarine communication system
08/14/2003US20030151057 Semiconductor light receiving element
08/14/2003US20030150978 Signal strength detection in high-speed optical electronics
08/14/2003US20030150975 Signal strength detection in high-speed optical electronics
08/14/2003CA2474756A1 Wavelength division multiplex optical telecommunications network
08/13/2003EP1335591A2 Interfacing system for stream source apparatus receiver and display apparatus and interfacing method thereof
08/13/2003EP1335510A1 Delay-line interferometer based on single-mode fibers
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