Method of protecting a magnetic recording medium in a magnetic r

Details Method of protecting a magnetic recording medium in a magnetic r Method of protecting a magnetic recording medium in a magnetic r

1986-08-07

1987-10-20

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

358909, G11B 5012

Patent

active

047018135

ABSTRACT:
A method of protecting a magnetic recording medium includes measuring a time period over which a main power supply continues to remain in an off state and the magnetic recording medium continues to remain loaded at a predetermined position. If the measured time period attains a first predetermined time period (e.g. 60 minutes), the recording medium is rotated for a second predetermined time period (e.g. several second), thereby preventing a magnetic recording/playback head from leaving its impression on the recording medium due to continuous pressing contact between the two at the same location on the recording medium.

REFERENCES:
patent: 4445188 (1984-04-01), Barrett
patent: 4614984 (1986-09-01), Tezuka
Patent abstracts of Japan Kokai 55-43681 3/27/80 Takagi.

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