Tape tension control apparatus

Details Tape tension control apparatus Tape tension control apparatus

1997-08-14

1998-05-05

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Carrier speed or tension control

2423343, 360 7301, B65H 5938, G11B 1546

Patent

active

057463840

ABSTRACT:
A tape tension control apparatus for controlling tape tension by supplying a current to a reel motor for driving a reel in accordance with a diameter of a tape roll includes a: rotational speed detect or for detecting the rotational speed of the tape roll; a rotational speed comparator for comparing a rotational speed detected by the rotational speed detector and a standard rotational speed corresponding to the diameter of the tape roll; and a current correct or for correcting the value of the current supplied to the reel motor in accordance with a comparison result from the rotational speed comparator in such a manner that the speed of rotation of the reel motor becomes equal to the standard rotational speed.

REFERENCES:
patent: 3761035 (1973-09-01), Wang
patent: 5259563 (1993-11-01), Kakiwaki et al.

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