Electrical Engineering
      and Computer Sciences

Electrical Engineering and Computer Sciences

COLLEGE OF ENGINEERING

UC Berkeley

   

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

Hybrid circuit and method
David G. Messerschmitt
U.S. Patent 4,669,115. May 1987

Non-linear echo cancellation of data signals
Oscar E. Agazzi and David G. Messerschmitt
U.S. Patent 4,669,116. 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