ANT NACHRICHTENTECHNIK GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 399
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 295
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 258
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5870498 Method of processing image data for transmission, and use of this processAug 09, 93Feb 09, 99[G06K]
5794183 Method of preparing data, in particular encoded voice signal parametersSep 25, 95Aug 11, 98[G10L]
5777764 Transmission station, intermediate repeater and receiver station for a fibre-optic communications-transmission systemMar 13, 96Jul 07, 98[H04B, H04J]
5729654 Vector encoding method, in particular for voice signalsNov 07, 95Mar 17, 98[G10L]
5666212 Method of coding image segments of any shapeOct 09, 90Sep 09, 97[H04N]
5610562 Waveguide absorberFeb 27, 95Mar 11, 97[H01P]
5559684 Switching regulatorDec 17, 93Sep 24, 96[H02M]
5517082 Traveling wave tube heating coil power supply with varying frequency AC current limiting meansMay 09, 94May 14, 96[H02M, H05B]
5438500 Switching regulator with a push-pull resonance converterDec 17, 93Aug 01, 95[H02M]
5428323 Device for compensating for temperature-dependent volume changes in a waveguideJun 16, 94Jun 27, 95[H01P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5844706 Fibre-optic communications-transmission method and intermediate repeater for use in the methodExpiredMar 04, 96Dec 01, 98[H04B]
5842117 Mobile radio aerial installationExpiredApr 09, 96Nov 24, 98[H04B, H03C]
5691987 Frequency-channel multiplexer and demultiplexerExpiredMar 08, 95Nov 25, 97[H04J]
5684788 Method of providing a frame clock for data signals in a communications network and switching device of the networkExpiredNov 20, 95Nov 04, 97[H03L, H04J]
5663773 Demodulator for a complex-value vestigial sideband signalExpiredNov 20, 95Sep 02, 97[H04N]
5642385 Frequency detector for carrier frequency synchronizationExpiredOct 11, 95Jun 24, 97[H04L]
5638073 Method of linearizing variations in the transfer characteristic of a D/A converter, as well as an arrangement and use thereofExpiredFeb 28, 95Jun 10, 97[H03M]
5633860 Reliablity-controlled data reception in receivers for TDMA mobile radio systemsExpiredAug 28, 95May 27, 97[H04L]
5625418 Method and arrangement for inserting frame markers in data for transmission and for retrieving the data with the aid of such frame markersExpiredApr 28, 95Apr 29, 97[H04N]
5615208 Kalman filter for channel impulse-response adaption in receivers for TDMA mobile radio systemsExpiredAug 28, 95Mar 25, 97[H04L]
5594393 Microwave line structureExpiredApr 17, 95Jan 14, 97[H01P]
5578973 Waveguide multiplexer/demultiplexerExpiredDec 24, 95Nov 26, 96[H01P]
5579154 Optical fiber amplifierExpiredSep 29, 95Nov 26, 96[G02B, H01S]
5577142 Optical fiber transmitting and receiving communications deviceExpiredNov 16, 95Nov 19, 96[H04B, G02B]
5570137 Device for digital demodulation of video and audio elements of television signalExpiredMay 11, 95Oct 29, 96[H04N]
5568206 Device for processing modulated rail analog television signalExpiredMay 11, 95Oct 22, 96[H04N]
5568369 Method for operating a voltage converter, and a voltage converter and its applicationExpiredApr 17, 95Oct 22, 96[H02M]
5541672 Device for digital demodulation of video and audio elements of television signalExpiredMay 11, 95Jul 30, 96[H04N]
5530471 Radio and television distribution systemExpiredOct 24, 94Jun 25, 96[H04N]
5461612 Drop-and-add multiplexer for converting and processing a frequency multiplex signalExpiredOct 24, 94Oct 24, 95[H04Q, H04J]

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