DIGITAL VOICE 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 2869
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8595002 Half-rate vocoderJan 18, 13Nov 26, 13[G10L]
8433562 Speech coder that determines pulsed parametersOct 07, 11Apr 30, 13[G10L]
8359197 Half-rate vocoderApr 01, 03Jan 22, 13[G10L]
8315860 Interoperable vocoderJun 27, 11Nov 20, 12[G10L]
8265937 Breathing apparatus speech enhancement using reference sensorJan 29, 08Sep 11, 12[G10L]
8200497 Synthesizing/decoding speech samples corresponding to a voicing stateAug 21, 09Jun 12, 12[G10L]
8131389 Digital audio serverFeb 08, 02Mar 06, 12[G06F]
8036886 Estimation of pulsed speech model parametersDec 22, 06Oct 11, 11[G10L]
7970606 Interoperable vocoderNov 13, 02Jun 28, 11[G10L]
7957963 Voice transcoderDec 14, 09Jun 07, 11[G10L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0135,374 Speech synthesizerAbandonedJan 16, 02Jul 17, 03[G10L]
5226084 Methods for speech quantization and error correctionExpiredDec 05, 90Jul 06, 93[G10L, G06F]
5226108 Processing a speech signal with estimated pitchExpiredSep 20, 90Jul 06, 93[G10L]
5081681 Method and apparatus for phase synthesis for speech processingExpiredNov 30, 89Jan 14, 92[G10L]

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