Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1993-09-17
1994-05-10
Stodola, Daniel P.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360 71, G11B 1543
Patent
active
053101332
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.
REFERENCES:
patent: 4739948 (1988-04-01), Rodal et al.
patent: 4797760 (1989-01-01), Rademacher et al.
patent: 4826097 (1989-05-01), Grant et al.
patent: 4974101 (1990-11-01), Sturm et al.
IBM Tech. Disclosure Bulletin, vol. 20, No. 6, Nov. 1977.
Falk Gerhard
Fell Wolfgang
BTS Broadcast Television Systems GmbH
Nguyen John Q.
Stodola Daniel P.
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