Data compression control device
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United States of America Patent
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-
Jul 19, 1988
Grant Date -
N/A
app pub date -
Nov 20, 1985
filing date -
Nov 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control device has a data compression control circuit for compressing data and a data buffer for temporarily storing the data to be written on a recording medium. The data transferred from a CPU is compressed and then recorded on the recording medium. Further provided is a buffer discriminating circuit for discriminating the quantity of data stored in the data buffer to control the data compression control circuit so that the data compressing operation and the operation of recording the data on the recording medium may be conducted in parallel while the amount of transferred data in the data buffer is prevented from becoming less than a predetermined quantity.
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