Patents - David G. Messerschmitt
Method and apparatus for compositing compressed video data
Shih-Fu Chang, David Messerschmitt and Wen-Lung Chen
U.S. Patent 5,408,274. April 1995
Wireless communication system
Chun-Meng Su, Saman Behtash, Keith Jarett, Huihung Lu, Christopher Flores, David G. Messerschmitt and Edward Chien
U.S. Patent 5,398,258. March 1995
Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit
David G. Messerschmitt, Christopher Flores and Huihung Lu
U.S. Patent 5,267,244. November 1993
Wireless communication system
Chun-Meng Su, Saman Behtash, Keith Jarett, Huihung Lu, Christopher Flores and David G. Messerschmitt
U.S. Patent 5,258,995. November 1993
Non-linear echo cancellation of data signals
Oscar E. Agazzi and David G. Messerschmitt
U.S. Patent 4,669,116. May 1987
Hybrid circuit and method
David G. Messerschmitt
U.S. Patent 4,669,115. May 1987
Automatic compensation circuit and method
Bradley A. Helliwell, David G. Messerschmitt and Ronald J. Hagen
U.S. Patent 4,407,020. September 1983
Frequency detector device and method
David G. Messerschmitt
U.S. Patent 4,308,505. December 1981
Phase locked loop frequency synthesizer using digital modulo arithmetic
David G. Messerschmitt
U.S. Patent 4,145,667. March 1979
Digital speech interpolation trunk priority rotator
Yau-Chau Ching and David Gavin Messerschmitt
U.S. Patent 4,095,052. June 1978
Apparatus for mitigating signal distortion and noise signal contrast in a communications system
David Gavin Messerschmitt and Timothy James Zebo
U.S. Patent 4,059,730. November 1977
Tandem block digital processor for use with nonuniformly encoded digital data
David Gavin Messerschmitt
U.S. Patent 4,040,049. August 1977
Data compression using nearly instantaneous companding in a digital speech interpolation system
Yau-Chau Ching, Allan Michael Hofmann and David Gavin Messerschmitt
U.S. Patent 4,002,841. January 1977
Block digital processor for use with nonuniformly encoded digital words
Donald Lars Duttweiler and David Gavin Messerschmitt
U.S. Patent 3,945,002. March 1976