Magnetic disk recording and/or reproducing device

Details Magnetic disk recording and/or reproducing device Magnetic disk recording and/or reproducing device

1980-12-16

1983-03-08

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 86, 360 99, 360133, G11B 1700, G11B 1910

Patent

active

043762930

ABSTRACT:
A magnetic disk recording and/or reproducing device in which immediately before a flexible magnetic disk is located in the operative position; that is, the disk is mounted on a spindle, a spindle driving circuit is automatically energized so as to spin the spindle and after a predetermined time interval the driving circuit is automatically de-energized, whereby the step for locating and holding the disk in the operative position can be much facilitated, wear of rotating parts can be minimized and the power consumption can be reduced.

REFERENCES:
patent: 4040107 (1977-08-01), Bryer
Draft Proposal ISO/DP 6596, American National Standards Institute, dated Oct. 1978, 23 pages.
IBM Tech. Disc. Bull., K. E. Russell et al., Index Amplifier Control for Detecting Diskette in Disk Drive, vol. 22, No. 1, Jun. 1979, pp. 287-300.

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