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)
11/2002
11/14/2002US20020167370 Microcontroller available for remote transmission
11/14/2002US20020166956 Chromatic dispersion discriminator
11/14/2002US20020166947 Photo-detecting semiconductor device and an apparatus having such a photo-detecting semiconductor device
11/14/2002DE10123191A1 Optical system for optically coupled broad- and narrow-band optical signals such as telephone- and internet-signals, uses counter-phase time functions for modulating distributed and individual signals intensity
11/13/2002EP1257079A2 Optical transmission system using optical signal processing in terminals for improved system performance
11/13/2002EP1257078A2 Multi-value modulation apparatus
11/13/2002EP1257076A1 Wavelength dispersion compensation module and optical transmission system including the same
11/13/2002EP1256789A2 Apparatus and method for measuring optical signals by optical sampling
11/13/2002EP1256193A1 Use of phase shift keyed coherent optical signaling in a wavelength division multiplexed optical fiber links
11/13/2002EP1256023A2 Dispersion compensating module and mode converter, coupler and dispersion compensating optical waveguide therein
11/13/2002EP1153488B1 Method for monitoring the transmission quality of an optical transmission system, notably an optical wavelength-division multiplex network
11/13/2002EP0947033B1 Microwave transmitter-receiver
11/13/2002EP0901617B1 Eye mask for measurement of distortion in optical transmission systems
11/13/2002CN1379936A Network switch for failure restoration
11/13/2002CN1379563A Bandwidth flatened wave division multiplexer using graded air tank as output waveguide
11/13/2002CN1379254A Light transmission line and its applied optical fiber and dispersion compensator
11/13/2002CN1379253A Optical fiber, light transmission line using said optical fiber and light transmission system
11/12/2002US6480702 Apparatus and method for distributing wireless communications signals to remote cellular antennas
11/12/2002US6480658 Optical fiber transmission line for wavelength division multiplexing transmission system
11/12/2002US6480656 Method and system for generating a broadband spectral continuum, method of making the system and pulse-generating system utilizing same
11/12/2002US6480648 Technique for detecting the status of WDM optical signals
11/12/2002US6480348 Arrangement for the contactless transmission of optical data
11/12/2002US6480329 Multi-wavelength light amplifier
11/12/2002US6480328 Optical amplifier and optical amplification method for amplifying wavelength division multiplexed signal light
11/12/2002US6480326 Cascaded pumping system and method for producing distributed Raman amplification in optical fiber telecommunication systems
11/12/2002US6480316 System and method for reading data content out of optical data stream without altering the optical data stream
11/12/2002US6480315 Method and apparatus for SNR measurement
11/12/2002US6480314 Optical transmitter
11/12/2002US6480313 Apparatus and method of repeating for infrared communication devices
11/12/2002US6480312 Dispersion compensating system used for bi-directional optical communication
11/12/2002US6480311 Peak-hold circuit and an infrared communication device provided with such a circuit
11/12/2002US6480310 PDS structured optical subscriber system
11/12/2002US6480308 Optical communication apparatus
11/12/2002US6478433 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
11/12/2002CA2231412C Dispersion compensating optical fiber
11/12/2002CA2069033C Programmable remote control
11/10/2002CA2385457A1 Receiver and method for a multichannel optical communication system
11/10/2002CA2385452A1 Method and system for tuning an optical signal based on transmission conditions
11/07/2002WO2002089380A2 Network transceiver for extending the bandwidth of optical fiber-based network infrastructure
11/07/2002WO2002089379A1 Integrated optical waveguide device
11/07/2002WO2002089378A1 Optical communications system and method for transmitting point-to-point and broadcast signals
11/07/2002WO2002089368A2 Method for the ocdma encoding of optical signals
11/07/2002WO2002089367A2 Multi-function optical performance monitor
11/07/2002WO2002089366A1 Optical transmission system comprising a supervisory system
11/07/2002WO2002089365A1 Reception apparatus
11/07/2002WO2002089364A1 An integrated environmental control and management system for free-space optical communication systems
11/07/2002WO2002089363A1 Method and system for providing dispersion and dispersion slope compensation
11/07/2002WO2002089357A1 Millimeter wave communication link
11/07/2002WO2002088838A2 Apparatus for separating and/or combining optical signals, and methods of making and operating it
11/07/2002WO2002088782A2 Enabler of large raman gain on small effective area fibers
11/07/2002WO2002088781A2 High efficiency raman amplifier
11/07/2002WO2002088779A2 Method of operating a noise-compensating gain controller for an optical amplifier
11/07/2002WO2002061980A8 Open-path/free-space optical communication system and method using reflected or backscattered light
11/07/2002US20020165436 Medical device having a combination data reader and infrared data transceiver and method of using same
11/07/2002US20020165002 Millimeter wave transceivers for high data rate wireless communication links
11/07/2002US20020164959 Point-to-point, millimeter wave, free space narrow beam width communication link
11/07/2002US20020164958 Millimeter wave and copper pair communication link
11/07/2002US20020164957 Point-to-point, millimeter wave, dual band free space gigabit per second communication link
11/07/2002US20020164951 Millimeter wave and ethernet communication system
11/07/2002US20020164945 Narrow beamwidth communication link with alignment camera
11/07/2002US20020164146 Optical attenuator
11/07/2002US20020164139 Wavelength division multiplexed transmission path and dispersion-compensating fiber used therein
11/07/2002US20020164135 Optical pulse waveform conversion
11/07/2002US20020164127 N-way broadcast/narrowcast combiner
11/07/2002US20020164126 Multi-port optical amplifier
11/07/2002US20020164125 Apparatus for frequency tuning and locking and method for operating same
11/07/2002US20020164123 Mems-based polarization mode dispersion compensator
11/07/2002US20020164117 Optical fiber transmission-line
11/07/2002US20020164115 Optical fiber communication system, communications apparatus and optical transceiver
11/07/2002US20020164109 Optical switch
11/07/2002US20020163711 Raman amplifier
11/07/2002US20020163705 Electroabsorption modulator integrated distributed feedback laser transmitter
11/07/2002US20020163699 Wireless infrared multi-spot diffusing communication system
11/07/2002US20020163698 Optical communication system and method of assigning signal channels
11/07/2002US20020163697 Dynamic optical interconnect
11/07/2002US20020163696 Fiber bragg grating-based optical CDMA encoder/decoder
11/07/2002US20020163695 Time slot scheduling for shared-medium communications networks
11/07/2002US20020163694 Apparatus for optical communications
11/07/2002US20020163690 Flexible and low cost wavelength management for optical networking
11/07/2002US20020163689 Method and apparatus for wavelength conversion
11/07/2002US20020163688 Optical communications system and vertical cavity surface emitting laser therefor
11/07/2002US20020163685 System and method for routing working and protect paths
11/07/2002US20020163684 Optical noise reduction apparatus and method
11/07/2002US20020163683 Performance optimizer for transmission systems
11/07/2002US20020163682 Online distributed path routing method and system
11/07/2002US20020162953 Optical output control circuit for obtaining stable optical output power
11/07/2002DE10118959A1 Verfahren zur Ansteuerung eines Laser-basierenden 3R Regenerators A method of driving a laser based 3R regenerator
11/07/2002DE10118958A1 3R Regenerator mit Wellenlängenumsetzung 3R regenerator with wavelength conversion
11/07/2002DE10117175A1 Operation of a bi-directional optical signal transmission system has electro optical converters in line modules
11/07/2002CA2445805A1 Optical communications system and method for transmitting point-to-point and broadcast signals
11/07/2002CA2445764A1 Method for the ocdma encoding of optical signals
11/07/2002CA2444965A1 Optical transmission system comprising a supervisory system
11/06/2002EP1255367A2 Variable dispersion compensator and optical transmission system
11/06/2002EP1255366A2 Multi-stage raman amplifier
11/06/2002EP1255365A2 Arrangement and method for monitoring the performance of DWDM multiwavelenght systems
11/06/2002EP1255364A2 Method and apparatus for monitoring WDM optical signal
11/06/2002EP1255140A1 Temperature compensating device for optical fibre gratings
11/06/2002EP1254526A2 Optical free space signalling system
11/06/2002EP1254523A2 System and method for modularizing the functionality of an electronic device
11/06/2002CN2520074Y Polymer optical fibre communication convertor
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