Inventor · disambiguated record
Richard Vandervoort Cox
Also filed as: COX RICHARD · COX RICHARD D · COX RICHARD DEWITT · COX RICHARD V
56 granted patents·8 pending applications·1,788 citations·filing 1982–2020
99Inventor score
Top patents by PatentIndex Score
64 records- 0199US7689245B2System and method of ubiquitous language translation for wireless devicesAT & T IP II LP·Filed 2007·Granted Mar 30, 2010·255 cites·6 claims
- 0298US6895375B2System for bandwidth extension of Narrow-band speechAT & T CORP·Filed 2001·Granted May 17, 2005·268 cites·94 claims
- 0397US7272377B2System and method of ubiquitous language translation for wireless devicesAT & T CORP·Filed 2002·Granted Sep 18, 2007·136 cites·16 claims
- 0497US7065485B1Enhancing speech intelligibility using variable-rate time-scale modificationAT & T CORP·Filed 2002·Granted Jun 20, 2006·273 cites·25 claims
- 0596US7216074B2System for bandwidth extension of narrow-band speechAT & T CORP·Filed 2005·Granted May 8, 2007·72 cites·20 claims
- 0691US7921091B2System and method for providing a natural language interface to a databaseAT & T IP II LP·Filed 2004·Granted Apr 5, 2011·47 cites·15 claims
- 0790US8069038B2System for bandwidth extension of narrow-band speechMALAH DAVID·Filed 2009·Granted Nov 29, 2011·19 cites·18 claims
- 0889US8090694B2Index of locally recorded contentSHAHRARAY BEHZAD·Filed 2006·Granted Jan 3, 2012·11 cites·23 claims
- 0988US7613604B1System for bandwidth extension of narrow-band speechAT & T IP II LP·Filed 2007·Granted Nov 3, 2009·15 cites·18 claims
- 1088US4486900AReal time pitch detection by stream processingAT & T BELL LAB·Filed 1982·Granted Dec 4, 1984·75 cites·12 claims
- 1185US7280965B1Systems and methods for monitoring speech data labelersAT & T CORP·Filed 2003·Granted Oct 9, 2007·34 cites·24 claims
- 1283US6182033B1Modular approach to speech enhancement with an application to speech codingAT & T CORP·Filed 1998·Granted Jan 30, 2001·80 cites·15 claims
- 1382US8595001B2System for bandwidth extension of narrow-band speechMALAH DAVID·Filed 2011·Granted Nov 26, 2013·7 cites·20 claims
- 1482US8555330B2System for managing media servicesCHANG HISAO·Filed 2007·Granted Oct 8, 2013·5 cites·24 claims
- 1582US7970909B1Method and system for associating concurrent telephone and data network sessionsAT & T IP I LP·Filed 2006·Granted Jun 28, 2011·10 cites·17 claims
- 1681US7929686B2System and method for managing request priority in a telecommunications networkAT & T IP II LP·Filed 2005·Granted Apr 19, 2011·8 cites·17 claims
- 1781US7110947B2Frame erasure concealment technique for a bitstream-based feature extractorAT & T CORP·Filed 2000·Granted Sep 19, 2006·21 cites·3 claims
- 1881US5594798ASecure telecommunicationsLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jan 14, 1997·84 cites·16 claims
- 1979US7016850B1Method and apparatus for reducing access delay in discontinuous transmission packet telephony systemsAT & T CORP·Filed 2001·Granted Mar 21, 2006·21 cites·17 claims
- 2078US8533210B2Index of locally recorded contentSHAHRARAY BEHZAD·Filed 2011·Granted Sep 10, 2013·3 cites·16 claims
- 2178US6604071B1Speech enhancement with gain limitations based on speech activityAT & T CORP·Filed 2000·Granted Aug 5, 2003·26 cites·8 claims
- 2278US6542864B2Speech enhancement with gain limitations based on speech activityAT & T CORP·Filed 2001·Granted Apr 1, 2003·24 cites·5 claims
- 2377US8412693B2System and method for providing a natural language interface to a databaseCOX RICHARD VANDERVOORT·Filed 2011·Granted Apr 2, 2013·3 cites·20 claims
- 2477US7711566B1Systems and methods for monitoring speech data labelersAT & T IP II LP·Filed 2007·Granted May 4, 2010·7 cites·21 claims
- 2577US5434920ASecure telecommunicationsAT & T CORP·Filed 1993·Granted Jul 18, 1995·62 cites·11 claims
- 2677US4551580ATime-frequency scramblerAT & T BELL LAB·Filed 1982·Granted Nov 5, 1985·25 cites·1 claims
- 2775US7392180B1System and method of coding sound signals using sound enhancementAT & T CORP·Filed 2006·Granted Jun 24, 2008·8 cites·20 claims
- 2872US9338518B2System for managing media servicesAT & T IP I LP·Filed 2014·Granted May 10, 2016·1 cites·20 claims
- 2972US5355376ACircular viterbi decoderAT & T BELL LAB·Filed 1993·Granted Oct 11, 1994·30 cites·9 claims
- 3071US8170880B2Systems and methods for monitoring speech data labelersBEGEJA LEE·Filed 2010·Granted May 1, 2012·3 cites·20 claims
- 3169US8731921B2Frame erasure concealment technique for a bitstream-based feature extractorAT & T IP II LP·Filed 2012·Granted May 20, 2014·2 cites·16 claims
- 3269US8671088B2System and method for providing a natural language interface to a databaseAT & T IP II LP·Filed 2013·Granted Mar 11, 2014·1 cites·20 claims
- 3369US7630894B1Frame erasure concealment technique for a bitstream-based feature extractorAT & T IP II LP·Filed 2006·Granted Dec 8, 2009·3 cites·4 claims
- 3469US6233319B1Method and system for delivering messages to both live recipients and recording systemsAT & T CORP·Filed 1997·Granted May 15, 2001·44 cites·27 claims
- 3569US2020320144A1Searching restricted content on a networkBAMPTON TECH·Filed 2020·Application pending·0 cites
- 3668US6782358B2Method and system for delivering messages to both live recipients and recording systemsAT & T CORP·Filed 2001·Granted Aug 24, 2004·9 cites·8 claims
- 3765US6792405B2Bitstream-based feature extraction method for a front-end speech recognizerAT & T CORP·Filed 2000·Granted Sep 14, 2004·11 cites·9 claims
- 3863US7752036B2Timing of speech recognition over lossy transmission systemsAT & T IP II LP·Filed 2008·Granted Jul 6, 2010·2 cites·18 claims
- 3963US6832188B2System and method of enhancing and coding speechAT & T CORP·Filed 2000·Granted Dec 14, 2004·7 cites·16 claims
- 4062US8150703B2Method and apparatus for reducing access delay in discontinuous transmission packet telephony systemsCOX RICHARD VANDERVOORT·Filed 2009·Granted Apr 3, 2012·2 cites·20 claims
- 4160US6775652B1Speech recognition over lossy transmission systemsAT & T CORP·Filed 1998·Granted Aug 10, 2004·29 cites·35 claims
- 4259US8869232B2System for managing media servicesAT & T IP I LP·Filed 2013·Granted Oct 21, 2014·0 cites·24 claims
- 4356US8107479B2Method and system for telephony and high-speed data access on a broadband access networkBELLOVIN STEVEN MICHAEL·Filed 2003·Granted Jan 31, 2012·3 cites·4 claims
- 4455US9912999B2System for managing media servicesAT & T IP I LP·Filed 2016·Granted Mar 6, 2018·0 cites·20 claims
- 4554US10109271B2Frame erasure concealment technique for a bitstream-based feature extractorNUANCE COMMUNICATIONS INC·Filed 2014·Granted Oct 23, 2018·0 cites·17 claims
- 4654US2016314206A1Searching restricted content on a networkBAMPTON TECH LLC·Filed 2016·Application pending·0 cites
- 4752US8090581B2Frame erasure concealment technique for a bitstream-based feature extractorCOX RICHARD VANDERVOORT·Filed 2009·Granted Jan 3, 2012·0 cites·12 claims
- 4852US7171359B1Speech recognition over lossy networks with rejection thresholdAT & T CORP·Filed 2004·Granted Jan 30, 2007·1 cites·11 claims
- 4951US7124078B2System and method of coding sound signals using sound enhancementAT & T CORP·Filed 2004·Granted Oct 17, 2006·1 cites·26 claims
- 5051US2008215339A1system and method of coding sound signals using sound enhancmentAT & T CORP·Filed 2008·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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