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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 4238
 
  
 
H03F AMPLIFIERS 380
 
  
 
H03G CONTROL OF AMPLIFICATION 250
 
  
 
H04H BROADCAST COMMUNICATION 253
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 2105
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H03K PULSE TECHNIQUE 1130
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9380385 Compressor based dynamic bass enhancement with EQMar 14, 14Jun 28, 16[H04R, H03G]
8680920 Area efficient, programmable-gain amplifierAug 16, 10Mar 25, 14[H03F]
7639307 Up-sampling television audio signals for encodingAug 03, 05Dec 29, 09[H04N]
7539316 Configurable filter for processing television audio signalsMar 24, 05May 26, 09[H04N, H04R, H04H]
7411438 Low-power integrated-circuit signal processor with wide dynamic rangeOct 12, 04Aug 12, 08[H03L]
6316970 Floating, balanced output circuitNov 08, 00Nov 13, 01[H03K]
6259482 Digital BTSC compander systemJan 11, 99Jul 10, 01[H04N]
6160451 Operational amplifier output stageApr 16, 99Dec 12, 00[H03F]
6118879 BTSC encoderMar 12, 98Sep 12, 00[H03G]
6037993 Digital BTSC compander systemMar 11, 98Mar 14, 00[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0010,193 Direct Digital Encoding and Radio Frequency Modulation for Broadcast Television ApplicationsAbandonedSep 11, 12Jan 10, 13[H04N]
2010/0158,259 DYNAMIC VOLUME CONTROL AND MULTI-SPATIAL PROCESSING PROTECTIONAbandonedNov 16, 09Jun 24, 10[H04R, H03G]
7719616 Direct digital encoding and radio frequency modulation for broadcast television applicationExpiredSep 16, 05May 18, 10[H04N, H04H]
2009/0021,293 Low-Power Integrated-Circuit Signal Processor With Wide Dynamic RangeAbandonedAug 12, 08Jan 22, 09[H03L]
7397850 Reciprocal index lookup for BTSC compatible coefficientsExpiredApr 04, 03Jul 08, 08[H04B]
2008/0095,376 BTSC ENCODERAbandonedOct 30, 07Apr 24, 08[H04H]
2008/0095,377 BTSC ENCODERAbandonedOct 30, 07Apr 24, 08[H04H]
2008/0095,378 BTSC ENCODERAbandonedOct 30, 07Apr 24, 08[H04H]
2008/0095,380 BTSC ENCODERAbandonedOct 31, 07Apr 24, 08[H04H]
2008/0095,381 BTSC ENCODERAbandonedOct 30, 07Apr 24, 08[H04N, H04H]
6588867 Reciprocal index lookup for BTSC compatible coefficientsExpiredFeb 18, 00Jul 08, 03[H04N]
4924226 Signal error compensationExpiredJul 29, 88May 08, 90[H03M]
4782284 Frequency analyzerExpiredJan 12, 88Nov 01, 88[G01R]
4588979 Analog-to-digital converterExpiredOct 05, 84May 13, 86[H03K]
4539526 Adaptive signal weighting systemExpiredJan 31, 83Sep 03, 85[H03F, H03G]
4503553 Loudspeaker systemExpiredJun 03, 83Mar 05, 85[H04R]
4503554 Stereophonic balance control systemExpiredJan 09, 84Mar 05, 85[H04R]
4473793 Bias generatorExpiredMar 26, 81Sep 25, 84[G05F]
4471324 All NPN variably controlled amplifierExpiredJan 19, 82Sep 11, 84[H03G]
4467287 Signal expanderExpiredJun 04, 82Aug 21, 84[H03F]

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Top Inventors for This Owner

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