Data compression dictionary access minimization

Details Data compression dictionary access minimization Data compression dictionary access minimization

1990-11-07

1992-08-25

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

Substituting specified bit combinations for other prescribed...

341 51, H03M 700

Patent

active

051422824

ABSTRACT:
A logic circuit in an integrated circuit implementation of an adaptive data compression algorithm which uses a RAM to store dictionary entries. The logic circuit generates predetermined codewords for single-character strings without accessing the dictionary. The logic circuit also generates single-character strings for corresponding codewords without accessing the dictionary.

REFERENCES:
patent: 4558302 (1985-12-01), Welch
patent: 4814746 (1989-03-01), Miller et al.
patent: 4847619 (1989-07-01), Kato et al.
patent: 4881075 (1989-11-01), Weng
patent: 4929946 (1990-05-01), O'Brien et al.
Hewlett-Packard Company, "Mystic Data Compression IC" HP Part No. 1XB4-0301 pp. 7-36, Jul. 16, 1990.

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