Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1989-08-22
1991-05-28
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 742, G11B 1552, G11B 1548
Patent
active
050199242
ABSTRACT:
A tape reel rotation detecting device is configured to detect abnormal rotations of a reel by comparing the length of a pulse generated in response to rotations of the reel and a pulse length set to correspond to abnormal rotations of the reel.
REFERENCES:
patent: 4163532 (1979-08-01), Sakai
patent: 4370684 (1983-01-01), Kanayama et al.
patent: 4553182 (1985-11-01), Narita
patent: 4873590 (1989-10-01), Ishiwata et al.
Ishikura Eiji
Takai Kazuki
Clarion Co. Ltd.
Evans Jefferson
Heinz A. J.
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