Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1965-11-15
1976-03-30
Cardillo, Jr., Raymond F.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 70, G11B 1518, G11B 2722, G11B 2728
Patent
active
039478807
ABSTRACT:
In a magnetic tape recording system of the type in which the tape is wound helically on a drum and a rotating recording head is provided at the periphery of the drum, auxiliary signals are recorded on separate tracks of the tape before and after it passes the drum. The auxiliary signals are reproduced and compared during playback in order to produce a control signal for controlling the tension of the tape.
REFERENCES:
patent: 3378646 (1968-04-01), Shashoua et al.
Backers Franciscus Theodorus
Wessels Johannes Hendrik
Cardillo, Jr. Raymond F.
Trifari Frank R.
U.S. Philips Corporation
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