Inventor · Plano, TX, US

Thomas Barton Schalk

38Patents
18h-index
19Co-inventors
78Inventor score

Filing activity: Apr 13, 1983 → Sep 13, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5127043A Simultaneous speaker-independent voice recognition and verification over a telephone network Electricity 300 Expired
US5297194A Simultaneous speaker-independent voice recognition and verification over a telephone network Electricity 298 Expired
US5499288A Simultaneous voice recognition and verification to allow access to telephone network services Electricity 234 Expired
US5125022A Method for recognizing alphanumeric strings spoken over a telephone network Electricity 227 Expired
US7219063B2 Wirelessly delivered owner's manual Performing Operations; Transporting 194 Expired
US4831551A Speaker-dependent connected speech word recognizer Physics 175 Expired
US5659597A Speech recognition system for electronic switches in a non-wireline communications network Electricity 151 Expired
US5297183A Speech recognition system for electronic switches in a cellular telephone or personal communication network Electricity 147 Expired
US5517558A Voice-controlled account access over a telephone network Electricity 143 Expired
US5365574A Telephone network voice recognition and verification using selectively-adjustable signal thresholds Electricity 136 Expired
US5303299A Method for continuous recognition of alphanumeric strings spoken over a telephone network Electricity 101 Expired
US6922669B2 Knowledge-based strategies applied to N-best lists in automatic speech recognition systems Physics 79 Expired
US5475791A Method for recognizing a spoken word in the presence of interfering speech Physics 72 Expired
US6501966B1 Speech recognition system for electronic switches in a non-wireline communications network Electricity 49 Expired
US6157848A Speech recognition system for electronic switches in a non-wireline communications network Electricity 33 Expired
US5845246A Method for reducing database requirements for speech recognition systems Physics 30 Expired
US4712242A Speaker-independent word recognizer Physics 29 Expired
US4989248A Speaker-dependent connected speech word recognition method Physics 28 Expired
US7966265B2 Multi-modal automation for human interactive skill assessment Physics 15 Active
US7505905B1 In-the-field adaptation of a large vocabulary automatic speech recognizer (ASR) Physics 13 Expired
US7634357B2 Systems and methods for off-board voice-automated vehicle navigation Physics 11 Active
US8738287B2 Systems and methods for off-board voice-automated vehicle navigation Physics 10 Active
US7373248B2 Systems and methods for off-board voice-automated vehicle navigation Physics 10 Expired
US9224394B2 Service oriented speech recognition for in-vehicle automated interaction and in-vehicle user interfaces requiring minimal cognitive driver processing for same Physics 9 Active
US8706405B2 Systems and methods for off-board voice-automated vehicle navigation Physics 8 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.