Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1990-07-05
1991-11-19
Severin, David J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
36013024, 360 85, 360 95, 360121, G11B 552, G11B 5027, G11B 1560
Patent
active
050670387
ABSTRACT:
A rotary magnetic head device utilizes a thin film magnetic head or heads having small mutual influence to external magnetic field in combination with a bulk magnetic head or heads to reduce crosstalk between recording head and reproducing head to thereby improve S/N ratio.
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Consumer Products Research Center, Hitachi Ltd., MR89-41, Dec. 19, 1989, pp. 9-15, "Properties of Thin Film Video Head" by T. Tsuchiya et al.
Abe Mitsuo
Arai Nobuo
Hisatomi Masumi
Tsuchiya Toshio
Zama Hideo
Garcia Alfonso
Hitachi , Ltd.
Severin David J.
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