Magnetic tape transport device with tape tension roller on a lever subjected to motor torque
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United States of America Patent
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May 10, 1994
Issued Date -
N/A
app pub date -
Sep 17, 1993
filing date -
Jun 28, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a magnetic tape transport device having supply and take-up reels and tape guide elements, as well as a scanner, there is engaged with the tape on each side of the scanner a tape tension roller on the free extremity of a tape tension lever which is subjected to torque at its pivot by a d.c. motor for maintaining the desired tension of the tape. An angular position indicator is connected to the pivot of the lever and a regulation loop is provided for controlling the tape tension in a manner consistent with the tape speed. A capstan drive of the tape is not necessary.
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