GN RESOUND CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 3104
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7206421 Hearing system beamformerJul 14, 00Apr 17, 07[H04B]
6631197 Wide audio bandwidth transduction method and deviceJul 24, 00Oct 07, 03[H04R]
6275596 Open ear canal hearing aid systemJan 10, 97Aug 14, 01[H04R]
6173063 Output regulator for feedback reduction in hearing aidsOct 06, 98Jan 09, 01[H04R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6754356 Two-stage adaptive feedback cancellation scheme for hearing instrumentsExpiredOct 06, 00Jun 22, 04[H04R]
6668062 FFT-based technique for adaptive directionality of dual microphonesExpiredMay 09, 00Dec 23, 03[H04R]

Top Inventors for This Owner

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