Ten patents in speech recognition and distributed AI architecture, developed primarily at AT&T Bell Labs (1986–1998) and Philips Research.
US Patents
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Method of and Device for Segmenting an Electric Signal Derived from an Acoustic Signal
US 4,813,074 (1989)
Stephen M. Marcus -
Telephone-Based Speech Recognition for Data Collection
US 6,101,241 (2000)
Includes Stephen M. Marcus -
Method and Apparatus for Performing a Grammar-Pruning Operation
US 6,141,661 (2000)
Includes Stephen M. Marcus -
Natural Language Knowledge Servers as Network Resources
US 6,192,338 (2001)
Edward Dennis Haszto, Esther Levin, Stephen Michael Marcus, Roberto Pieraccini -
Statistical Database Correction of Alphanumeric Identifiers for Speech Recognition and Touch-Tone Recognition
US 6,400,805 (2002)
Includes Stephen M. Marcus -
Timing of Speech Recognition Over Lossy Transmission Systems
US 7,752,036 (2010)
Includes Stephen M. Marcus -
Concise Dynamic Grammars Using N-Best Selection
US 2014/0207458 A1 (2014)
Includes Stephen M. Marcus
International Patents
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Method of and Device for Segmenting an Electric Signal Derived from an Acoustic Signal, for Example a Speech Signal
EP 0 227 146 B1 (1991)
Stephen Michael Marcus -
Statistical Database Correction of Alphanumeric Account Numbers for Speech Recognition and Touch-Tone Recognition
EP 0 848 536 A3 (1998)
Includes Stephen M. Marcus -
Telephone-Based Speech Recognition for Data Collection
CA 2,235,376 A1 (1998)
Includes Stephen M. Marcus