DRAGON SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 295

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6912498 Error correction in speech recognition by correcting text around selected areaMay 02, 01Jun 28, 05[G10L]
5526463 System for processing a succession of utterances spoken in continuous or discrete formApr 09, 93Jun 11, 96[G10L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4914703 Method for deriving acoustic models for use in speech recognitionExpiredDec 05, 86Apr 03, 90[G10L]
4903305 Method for representing word models for use in speech recognitionExpiredMar 23, 89Feb 20, 90[G10L]
4866778 Interactive speech recognition apparatusExpiredAug 11, 86Sep 12, 89[G10L]
4837831 Method for creating and using multiple-word sound models in speech recognitionExpiredOct 15, 86Jun 06, 89[G10L]
4829576 Voice recognition systemExpiredOct 21, 86May 09, 89[G10L]
4829578 Speech detection and recognition apparatus for use with background noise of varying levelsExpiredOct 02, 86May 09, 89[G10L]
4805218 Method for speech analysis and speech recognitionExpiredApr 03, 87Feb 14, 89[G10L]
4805219 Method for speech recognitionExpiredApr 03, 87Feb 14, 89[G10L]
4803729 Speech recognition methodExpiredApr 03, 87Feb 07, 89[G10L]
4783803 Speech recognition apparatus and methodExpiredNov 12, 85Nov 08, 88[G10L]

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