ACOUSTIC TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 253
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6509841 System and method for communication between remote locationsNov 01, 00Jan 21, 03[G08C]
6239722 System and method for communication between remote locationsApr 30, 99May 29, 01[G08C]
5986574 System and method for communication between remote locationsOct 16, 97Nov 16, 99[G08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0044,274 Estimating Direction of Arrival From Plural MicrophonesAbandonedOct 21, 13Feb 13, 14[H04R]
2008/0043,931 Calibration system for telephoneAbandonedAug 01, 06Feb 21, 08[H04M]
2008/0043,995 Histogram for controlling a telephoneAbandonedAug 01, 06Feb 21, 08[H04M]
2008/0043,997 Noise threshold matrix for controlling audio processingAbandonedAug 01, 06Feb 21, 08[H04M]
2008/0043,998 Line interface for telephoneAbandonedAug 01, 06Feb 21, 08[H04M]
2007/0047,731 Clipping detector for echo cancellationAbandonedAug 31, 05Mar 01, 07[H04M]
2005/0213,745 Voice activity detector for low S/NAbandonedFeb 27, 04Sep 29, 05[H04M]
2004/0234,067 Distributed VAD control system for telephoneAbandonedMay 19, 03Nov 25, 04[H04M]
2003/0216,907 Enhancing the aural perception of speechAbandonedMay 14, 02Nov 20, 03[G10L]
2003/0123,644 Method and apparatus for removing audio artifactsAbandonedJan 26, 00Jul 03, 03[H04M]
2003/0095,000 Apparatus with ultra high output power class D audio amplifierAbandonedSep 09, 02May 22, 03[H03F]
2003/0095,666 Machine for controlling and amplifying a low-level audio signal using a high efficiency class D switching amplifierAbandonedMay 29, 02May 22, 03[H03F, H04H]
2003/0093,270 Comfort noise including recorded noiseAbandonedNov 13, 01May 15, 03[G10L]
2002/0141,568 Dual threshold correlatorAbandonedApr 02, 01Oct 03, 02[H04M]
2002/0097,861 Narrow band shadow encoderAbandonedJan 25, 01Jul 25, 02[H04M]
6379323 Bio erodable myringotomy tubeExpiredSep 03, 99Apr 30, 02[A61F, A61M]
6191334 Perforation repair device and methodExpiredMar 03, 99Feb 20, 01[A61F]
6186965 Dissolvable septal splint and method of using the sameExpiredMar 03, 99Feb 13, 01[A61B]

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