Kelly L Knickerbocker

US Patent:

48092320, Feb 28, 1989

Filed:

Dec 16, 1986

Appl. No.:

6/942140

Inventors:

Alan E. Baumbaugh - Batavia IL
Kelly L. Knickerbocker - Aurora IL

Assignee:

The United States of America as represented by the United States
Department of Energy - Washington DC

International Classification:

G11C 1928

US Classification:

365221

Abstract:

A fast FIFO (First In First Out) memory buffer capable of storing data at rates of 100 megabytes per second. The invention includes a data packer which concatenates small bit data words into large bit data words, a memory array having individual data storage addresses adapted to store the large bit data words, a data unpacker into which large bit data words from the array can be read and reconstructed into small bit data words, and a controller to control and keep track of the individual data storage addresses in the memory array into which data from the packer is being written and data to the unpacker is being read.

US Patent:

47515724, Jun 14, 1988

Filed:

Dec 30, 1986

Appl. No.:

6/947925

Inventors:

Alan E. Baumbaugh - Batavia IL
Kelly L. Knickerbocker - Aurora IL

Assignee:

The United States of America as represented by the United States
Department of Energy - Washington DC

International Classification:

H04N 712

US Classification:

358133

Abstract:

A method and apparatus for suppressing from transmission, non-informational data words from a source of data words such as a video camera. Data words having values greater than a predetermined threshold are transmitted whereas data words having values less than a predetermined threshold are not transmitted but their occurrences instead are counted. Before being transmitted, the count of occurrences of invalid data words and valid data words are appended with flag digits which a receiving system decodes. The original data stream is fully reconstructable from the stream of valid data words and count of invalid data words.