Advancing material of indeterminate length – By orbitally traveling material-engaging surface – With drive means
Patent
1980-10-21
1982-10-26
Christian, Leonard D.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
With drive means
B65H 1722
Patent
active
043557503
ABSTRACT:
First and second capstans are rotated at respective speeds by first and second motors. The speeds of revolution of the first and second motors are detected as detection signals, and the revolution speed of at least one of the first and second motors is controlled in accordance with a difference between the detection signals. An offset voltage is added to one of the detection signals corresponding to the revolution speeds of the first and second motors for the control of tape tension.
REFERENCES:
patent: 3419202 (1968-12-01), Maxey
patent: 4001552 (1977-01-01), Muller
Kato Toshikazu
Kimura Kenji
Ohshima Ken
Saitou Sinichi
Satoh Ken
Christian Leonard D.
Olympus Optical Co,. Ltd.
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