Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1991-02-19
1993-05-25
Smith, Jerry
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 57, 360 66, G11B 2102, G11B 502
Patent
active
052145450
ABSTRACT:
A signal erasing apparatus continuously erases recorded signals from a plurality of selected recording tracks formed on a rotating type record bearing medium which has signals recorded in a plurality of circular recording tracks. The apparatus comprises signal erasing apparatus including one erasing head; shifting apparatus for shifting the erasing head to oppose it to each of the recording tracks of the record bearing medium; rotating apparatus for rotating the record bearing medium relative to the erasing head; designating apparatus for designating beforehand a plurality of specific recording tracks having the signal to be erased from the medium; and control apparatus which, in response to the designating apparatus, controls the signal erasing apparatus and the head shifting apparatus to cause them to continuously erase from the medium the signals recorded in the designated recording tracks.
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Que's Computer User's Dictionary, Que Corporation, Carmel, Indiana, 1990, p. 364.
Canon Kabushiki Kaisha
Garland Steven R.
Smith Jerry
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