Boots – shoes – and leggings
Patent
1991-08-23
1995-05-09
Kriess, Kevin A.
Boots, shoes, and leggings
364200, 36422281, 364DIG1, 364900, 364955, 364DIG2, G06F 1202
Patent
active
054148502
ABSTRACT:
A data compression device driver compresses and decompresses files on a disk drive in a computer system when a user copies files from a drive letter assigned to the disk drive to a drive letter assigned to the data compression device driver. Drive parameter blocks for the disk drive and for the data compression device driver contain the assigned drive letter, disk geometry information, a rebuild flag, and a pointer to the device driver. A swapping means swaps the device driver pointers in the drive parameter blocks corresponding to the disk drive and the data compression device driver. From then on, compressed data files may be accessed transparently by using the drive letter which was originally assigned to the disk drive before swapping, which now refers to the data compression device driver.
REFERENCES:
patent: 4982324 (1991-01-01), McConaughy et al.
Bryan Pfaffenberger, Ph. D., Que's Computer User's Dictionary, 1992, pp. 369, 251.
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"Squish Plus: good compression" by Schindler, Paul E., Jr. PC Week Apr. 10 1989 v6 n14 p. 96(1).
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Kriess Kevin A.
Richey Michael T.
Stac Electronics, Inc.
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