Apparatus for providing a profiled tape tension without utilizin

Details Apparatus for providing a profiled tape tension without utilizin Apparatus for providing a profiled tape tension without utilizin

1987-08-25

1989-02-21

Ruggiero, Joseph

Boots, shoes, and leggings

242 75, 242 7542, 242 7543, 242 7544, 242190, 360 743, 36416701, G11B 1543, G11B 1528, B65H 7700

Patent

active

048071072

ABSTRACT:
A simplified apparatus for providing a profiled tape tension is described which does not require a tape pack diameter sensor. Desired tape tension profile values corresponding to various tape pack diameter values are stored in a tape tension profiler. A control signal indicative of the rotational speed of a takeup reel is applied from a reel servo to the tension profiler which, in turn, changes a tension arm adjustment command in response to changes in the reel speed. The control signal has a known relationship to the tape pack diameter wound on the takeup reel. In the preferred embodiment the control signal is sampled by the tape tension profiler and the samples are used to address a PROM in which the desired tape tension profile values are stored. The thusly addressed tape tension profile values are applied as position command signals to the takeup reel servo which, in turn, changes the position of the tension arm accordingly, thereby obtaining the desired tape tension.

REFERENCES:
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patent: 4401923 (1983-08-01), O'Gwynn
patent: 4401924 (1983-08-01), Grover
patent: 4573645 (1986-03-01), Harris, Jr.
patent: 4696439 (1987-09-01), Sukigara et al.

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