RCA THOMSON LICENSING CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 45197
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 17111
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 5146
 
  
 
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 597
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 575
 
  
 
G03C PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES 442
 
  
 
H04B TRANSMISSION 3207
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 247

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6148189 AGC circuit arrangement for a tunerOct 10, 97Nov 14, 00[H04B]
6115532 Digital VCR with trick play image controlOct 10, 96Sep 05, 00[H04N]
5999802 Direct conversion tunerMay 29, 97Dec 07, 99[H03D]
5983088 Wide frequency spectrum television tuner with single local oscillatorJul 10, 97Nov 09, 99[H04B]
5978040 Deflection circuits for wide screen displaysSep 22, 97Nov 02, 99[H04N]
5945791 High voltage systemDec 19, 96Aug 31, 99[H01J, G09G]
5905802 Dual action automatic sound level controlAug 22, 97May 18, 99[H03G]
5896306 Group delay correction method and apparatusJan 22, 97Apr 20, 99[H04B]
5894334 Carrier recovery system for a vestigial sideband signalSep 05, 96Apr 13, 99[H04N]
5889561 Method and apparatus for scaling a compressed video bitstreamNov 04, 94Mar 30, 99[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5956455 Fault tolerant VCR recording controlExpiredFeb 07, 95Sep 21, 99[H04N]
5677737 Video compression for wide screen televisionExpiredDec 27, 95Oct 14, 97[H04N]
5652482 Bidirectional deflection and display systemsExpiredSep 12, 96Jul 29, 97[H01J]
5489824 Deflection system with a controlled beam spotExpiredMay 17, 93Feb 06, 96[H01J]
5416378 Color picture tube with iron-nickel alloy shadow maskExpiredNov 03, 93May 16, 95[H01J]
5258928 Parts efficient memory based functional circuit having selectable transfer characteristicsExpiredDec 20, 90Nov 02, 93[G11C]
5229233 Apparatus and method for fusing polymer powder onto a faceplate panel of a cathode-ray tubeExpiredSep 05, 89Jul 20, 93[G03C]
5229234 Dual exposure method of forming a matrix for an electrophotographically manufactured screen assembly of a cathode-ray tubeExpiredJan 27, 92Jul 20, 93[G03C]
5216671 High speed bit serial systemsExpiredDec 13, 90Jun 01, 93[H04J]
5208596 DAC distortion compensationExpiredApr 10, 92May 04, 93[H03M]
5196921 Data transmission using color burst position modulationExpiredDec 13, 90Mar 23, 93[H04N]
5177611 Method and apparatus for canceling quadrature distortion as for video signals having in-phase and quadrature phase componentsExpiredJul 31, 90Jan 05, 93[H04N]
5175441 Remotely controlled power supply apparatusExpiredJan 03, 91Dec 29, 92[H02J, H04N, H04B]
5161019 "Channel guide" automatically activated by the absence of program informationExpiredJun 29, 90Nov 03, 92[H04N]
5153580 Retriggerable sleep timer with user-prompting mode operationExpiredJan 16, 90Oct 06, 92[H04N]
5151337 Method of electrophotographically manufacturing a luminescent screen for a color CRT having a conductive contact patchExpiredJun 26, 90Sep 29, 92[G03C]
5132188 Method for charging a concave surface of a CRT faceplate panelExpiredAug 13, 90Jul 21, 92[G03C]
5093217 Apparatus and method for manufacturing a screen assembly for a CRT utilizing a grid-developing electrodeExpiredOct 11, 89Mar 03, 92[G03C, G03G]
5083959 CRT charging apparatusExpiredAug 13, 90Jan 28, 92[G03G]
5083198 Nonlinear RGB video signal processingExpiredSep 19, 90Jan 21, 92[H04N]

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