Hard copy recorder paper speed control

Details Hard copy recorder paper speed control Hard copy recorder paper speed control

1986-03-10

1987-06-09

Goldberg, E. A.

Recorders

Record receivers and/or driving means therefor

Web

242 7551, 242186, 242189, 242190, 242207, 318 6, 318318, 346107R, 346108, 346110R, G01D 1524, B65H 5938, H02P 516

Patent

active

046723960

ABSTRACT:
A hard copy recorder is provided in which paper or film is moved along a paper path by a motor-driven roller. A tension-measuring dancer measures paper or film tension. The position of the dancer is sensed by an optical sensor, which produces a signal representative of paper or film tension. The paper or film tension signal is used to selectively couple one signal from a number of sources of predetermined different frequencies to the motor to control its speed in accordance with the sensed paper tension.

REFERENCES:
patent: 4232257 (1980-11-01), Harshberger, Jr.
patent: 4429261 (1984-01-01), Ohno
patent: 4442985 (1984-04-01), Kishi et al.

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