Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1990-07-09
1992-12-22
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 84, 360107, G11B 552, G11B 556
Patent
active
051738201
ABSTRACT:
A magnetic recording and/or reproducing apparatus having a magnetic head which is movable relative to a magnetic recording medium to record or reproduce information. The magnetic head is moved in a direction to approach the magnetic recording medium or in the reverse direction to that direction to periodically alter the amount of projection of the magnetic head toward the magnetic recording medium in synchronism with a cycle of relative movement of the magnetic head to the magnetic recording medium.
REFERENCES:
patent: 3235671 (1966-02-01), Rich
patent: 4081848 (1978-03-01), Blanding
patent: 4233637 (1980-11-01), Kubota
patent: 4268880 (1981-05-01), Majima
patent: 4329724 (1982-05-01), Clayton
patent: 4356522 (1982-10-01), Takano et al.
patent: 4410918 (1983-10-01), Watanabe
Canon Kabushiki Kaisha
Wolff John H.
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