Motor control apparatus for reel-to-reel tape drive system

Details Motor control apparatus for reel-to-reel tape drive system Motor control apparatus for reel-to-reel tape drive system

1985-12-18

1988-04-12

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242187, 242201, 360 71, B65H 5938, G11B 1543

Patent

active

047369000

ABSTRACT:
A motor control apparatus including a first motor (16) driving a first reel (2) a second motor (26) driving a second reel (1), independently operable to the first motor, and a unit (5) for tensioning a tape being transported between the first and second reels, having a member (51) engaging the tape and an arm (52) jointed to the member, movably fixed and energized by a predetermined force (54) so that the tape energizing the member is tensioned at a predetermined force. The motor control apparatus further includes a unit for detecting a displacement (.PSI.) of the arm, a transport speed (N) of the tape, a diameter (D.sub.A) of the tape wound on the first reel, and a tension (T) in response to the displacement and diameter, and a unit for controlling the first motor in response to the tension and the second motor in response to the transport speed.

REFERENCES:
patent: 3584805 (1971-06-01), Lee
patent: 3764087 (1973-10-01), Paananen
patent: 3781490 (1973-12-01), Phillips
patent: 3809335 (1974-05-01), Mantey
patent: 3984868 (1976-10-01), Ragle et al.
patent: 4015799 (1977-05-01), Koski et al.
patent: 4125881 (1978-11-01), Eige et al.
patent: 4160195 (1979-07-01), Sakamoto
patent: 4172231 (1979-10-01), de Costemore d'Arc
patent: 4289284 (1981-09-01), Sakamoto et al.

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