Patents - 1986

Method and apparatus for synchronization by coherent reinforcement
Elwyn R. Berlekamp and Po Tong
U.S. Patent 4,633,486. December 1986

Error correction for algebraic block codes
Lloyd R. Welch and Elwyn R. Berlekamp
U.S. Patent 4,633,470. December 1986

Time division multiplexed computerized branch exchange
Howard W. Johnson, Michael G. Duncan, Rod G. Sinks, John D. Edwards, Martin H. Graham, James M. Kasson and Charles M. Corbalis
U.S. Patent 4,627,050. December 1986

Ratio independent cyclic A/D and D/A conversion using a reciprocating reference approach
Cheng-Chung Shih and Paul R. Gray
U.S. Patent 4,622,536. November 1986

Multiple quantum-well infrared detector
Shlomo Margalit, Liew-Chuang Chiu, John S. Smith and Amnon Yariv
U.S. Patent 4,620,214. October 1986

Integrated pyroelectric sensor and method
Richard S. Muller and Dennis L. Polla
U.S. Patent 4,608,865. September 1986

Modular computer system
Jack J. Stiffler, Richard M. Karp, James M. Nolan, Jr., Michael J. Budwey and David A. Wallace
U.S. Patent 4,608,631. August 1986

Method for producing an electronically passivated surface on crystalline silicon using a fluorination treatment and an organic overlayer
Bernard R. Weinberger, Harry W. Deckman and Eli Yablonovitch
U.S. Patent 4,608,097. August 1986

One-pin crystal oscillator
Joseph T. Santos and Robert G. Meyer
U.S. Patent 4,600,898. July 1986

Low power consuming AC to DC converter
Martin H. Graham
U.S. Patent 4,600,982. July 1986

Method and apparatus for rapid NMR imaging using multi-dimensional reconstruction techniques
John C. Hoenninger III, Lawrence E. Crooks, Mitsuaki Arakawa and Jerome R. Singer
U.S. Patent 4,599,565. July 1986

Method for flow measurement using nuclear magnetic resonance
Jerome R. Singer
U.S. Patent 4,574,239. March 1986

Method for flow measurement using nuclear magnetic resonance
Joel M. Libove and Jerome R. Singer
U.S. Patent 4,574,240. March 1986

Longitudinal Mode Stabilized Laser
Ivan P. Kaminow
U.S. Patent 4,573,163. February 1986