WESTINGHOUSE NORDEN SYSTEMS INCORPORATED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES8101
 
  
 
G06G ANALOGUE COMPUTERS 152
 
  
 
H01Q AERIALS 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7038620 Warped plane phased array monopulse radar antennaJan 27, 87May 02, 06[H01Q]
6614381 Dual common channel cross-track system (U)Oct 30, 78Sep 02, 03[G01S]
5712785 Aircraft landing determination apparatus and methodJun 23, 95Jan 27, 98[G01S, G06G]
5596326 Secondary surveillance radar interrogation system using dual frequenciesJul 17, 95Jan 21, 97[G01S]
5559516 Dual cancellation interferometric AMTI radarNov 27, 81Sep 24, 96[G01S]
5559517 Maximized/minimized phase calculator for an interferometric amti radarNov 27, 81Sep 24, 96[G01S]
5557278 Airport integrated hazard response apparatusJun 23, 95Sep 17, 96[G01S]
5334982 Airport surface vehicle identificationMay 27, 93Aug 02, 94[G01S]
5128681 Multi-pulse pulse compression radar systemJun 27, 91Jul 07, 92[G01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5818383 Interferometric moving vehicle imaging apparatus and methodExpiredOct 28, 94Oct 06, 98[G01S]
5764500 Switching power supplyExpiredDec 31, 92Jun 09, 98[H02M]
5646480 Metal assist structure for an electroluminescent displayExpiredJun 19, 95Jul 08, 97[H05B]
5559399 Low resistance, thermally stable electrode structure for electroluminescent displaysExpiredJun 11, 92Sep 24, 96[H01J]
5559515 Channel switching interferometric AMTI radarExpiredNov 27, 81Sep 24, 96[G01S]
5559518 Low target velocity interferometric AMTI radarExpiredNov 27, 81Sep 24, 96[G01S]
5530440 Airport surface aircraft locatorExpiredOct 06, 94Jun 25, 96[G08G]
5521465 Sunlight viewable thin film electroluminscent display having darkened metal electrodesExpiredOct 06, 94May 28, 96[H01J]
5517080 Sunlight viewable thin film electroluminescent display having a graded layer of light absorbing dark materialExpiredDec 14, 92May 14, 96[H01J, G09G]
5475707 Broadband communications systemExpiredFeb 28, 94Dec 12, 95[H04J]
5453748 Method and apparatus for responding to an interrogation signalExpiredNov 15, 93Sep 26, 95[G01S]
5445711 Low resistance, thermally stable electrode structure for electroluminescent displaysExpiredMay 31, 94Aug 29, 95[C23F, B44C]
5445898 Sunlight viewable thin film electroluminescent displayExpiredDec 16, 92Aug 29, 95[H05B]
5445899 Color thin film electroluminescent displayExpiredMay 17, 93Aug 29, 95[H05B]
5424737 Communications retro-reflectorExpiredDec 22, 93Jun 13, 95[H01Q]
5400047 High brightness thin film electroluminescent display with low OHM electrodesExpiredNov 10, 93Mar 21, 95[H01J]
5337058 Fast switching polarization diverse radar antenna systemExpiredApr 16, 93Aug 09, 94[G01S]
5309166 Ferroelectric-scanned phased array antennaExpiredDec 13, 91May 03, 94[H01P, H01Q]
5291143 Modulator with improved dampingExpiredMar 09, 92Mar 01, 94[H03K]
5291204 Radar response systemExpiredJul 09, 90Mar 01, 94[G01S]

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