Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Carrier speed or tension control
Patent
1996-02-27
1999-01-19
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Carrier speed or tension control
2423343, 360 71, B65H 5938, G11B 1546, G11B 2342
Patent
active
058606106
ABSTRACT:
A torque command supplied to a tape running unit for drawing out and driving a tape wound on a first reel is modulated by a torque modulator depending on a moment of inertia of the first reel, a winding radius of the tape wound on the first reel, a moment of inertia and a rotating radius of the tape running unit, which are detected by a parameter detector. The first motor is responsive to the modulated torque command for rotating the first reel, thereby keeping the tension of the tape constant.
REFERENCES:
patent: 4461433 (1984-07-01), Kami
patent: 5039027 (1991-08-01), Yanagihara
patent: 5222684 (1993-06-01), Yoneda et al.
Fujioka Souichirou
Gotoh Yoshiho
Nishida Masafumi
Okamoto Hiroshi
Yamaguchi Osamu
Matsushita Electric - Industrial Co., Ltd.
Nguyen John Q.
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