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

1988-02-23

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

358909, G11B 5012

Patent

active

047274433

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 predetermined time period (e.g. 60 minutes), a magnetic recording/playback head is shifted to an origin position or a stand-by position outside a recording/playback area of the recording medium, thereby preventing the magnetic head from leaving its impression on the magnetic recording/playback area of the recording medium due to continuous pressing contact between the two.

REFERENCES:
patent: 4445188 (1984-04-01), Barrett
patent: 4614984 (1986-09-01), Tezuka
Patent Abstracts of Japan Kokai No. 55-43681, 3/27/80 Takagi.

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