Tape control apparatus

Details Tape control apparatus Tape control apparatus

G - Physics

11

B

352/21.1

G11B 15/29 (2006.01) G11B 15/43 (2006.01) G11B 15/48 (2006.01) G11B 15/54 (2006.01)

Patent

CA 1128202

ABSTRACT OF THE DISCLOSURE Tape control apparatus for example for a video tape recorder, for controlling the torque applied by a supply reel motor to a supply reel such that the tape is transported with substantially constant tape tension, the apparatus including a circuit for detecting the rotational speed of the supply reel and generating an output signal in accordance with the rotational speed, and another circuit receiving the output signal for shifting the phase of the output signal such that the amount of the phase shifting of the output signal increases as the frequency of the output signal increases, whereby the supply reel motor is driven in response to the phase shifted output signal to maintain the tape tension constant.

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