Device for controlling reel driving motor

Details Device for controlling reel driving motor Device for controlling reel driving motor

1992-03-09

1994-08-23

Shoop, Jr., William M.

Electricity: motive power systems

With particular motor-driven load device

Tension-maintaining type of motor-control system

318599, B65H 5938

Patent

active

053410734

ABSTRACT:
A device for running a tape-like medium between a pair of reels in accordance with one of a plurality of tape-running modes having different tape running speeds has the following constituents, a reel driving apparatus for rotating the reels; a circuit for detecting the states of rotation of the reels and for generating reel rotation data; an instruction circuit for giving an instruction for changing the tape running mode; a holding device or memory for holding the reel rotation data when the tape running mode is changed in response to the instruction given by the instruction circuit; and a control circuit for controlling the reel driving apparatus in accordance with the reel rotation data held by the memory, for a predetermined period after the changing of the tape running mode effected by the instruction circuit.

REFERENCES:
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patent: 3921043 (1975-11-01), Luzio
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patent: 4573645 (1986-03-01), Harris, Jr.
patent: 4612533 (1986-09-01), Evans
patent: 5039027 (1991-08-01), Yanagihara et al.
patent: 5146601 (1992-09-01), Hosaka et al.

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