Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1995-05-18
1997-09-02
Huber, P. W.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 7304, G11B 1546
Patent
active
056638450
ABSTRACT:
A magnetic recording/reproducing apparatus compares speed information obtained by speed detecting means for a magnetic tape with a set travelling speed of the magnetic tape in a control circuit, and controls the rotational frequency of a driving motor for a take-up reel, thereby controlling constant-speed travelling of the magnetic tape, with employment of no capstan. According to this system, the overall apparatus can be simplified and miniaturized with reduction in weight and cost. Further, it is possible to improve constant-speed travelling performance of the magnetic tape by adjusting resonance and antiresonance appearing due to total equivalent inertia moment related to the magnetic tape and reels in the transfer characteristic of the control system.
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Kakiwaki Shigeaki
Okada Hideo
Okuda Tohru
Tadera Takamitsu
Tsuji Masaji
Conlin David G.
Huber P. W.
Oliver Milton
Sharp Kabushiki Kaisha
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