Data compression method and processor

Details Data compression method and processor Data compression method and processor

2005-10-11

2005-10-11

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

C051S302000, C714S794000

Reexamination Certificate

active

06954155

ABSTRACT:
A data compression method for executing encode commands for PackBits compression by a processor. The encode commands include a first command to obtain an encode processing state of the PackBits compression and control output of a control code (+1, −2 etc.) based on the encode processing state, a second command to control output of input data (A to F) based on the encode processing state, and a third command to control output of a control command upon completion of the PackBits compression. In this arrangement, the PackBits encode processing can be performed at a high speed by the processor.

REFERENCES:
patent: 4878221 (1989-10-01), Shimada
patent: 5659737 (1997-08-01), Matsuda
patent: 6055273 (2000-04-01), Isomura
patent: 6215558 (2001-04-01), Kubota
patent: 6473530 (2002-10-01), Nakayama
patent: 2002/0027558 (2002-03-01), Osa
patent: 9-154021 (1997-06-01), None

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