Control unit for paper transport

Details Control unit for paper transport Control unit for paper transport

1974-04-12

1976-09-21

Rubinson, Gene Z.

Electricity: motive power systems

Open-loop stepping motor control systems

318440, 318597, H02K 3700

Patent

active

039821668

ABSTRACT:
For recording instruments fed from a 50 Hz or 60 Hz supply mains it is proposed to use a control unit of substantially entirely digital structure for the transport of the record carrier, for example paper, with the use of a stepping motor. A simple 300 Hz or 600 Hz oscillator which is synchronized with the mains and a frequency divider enable various paper speeds to be set, slow or fast paper transport for adjusting purposes being simply realized by controlling the frequency of the oscillator. Several functions can be remotely controlled.

REFERENCES:
patent: 3458786 (1969-07-01), Thompson
patent: 3467899 (1969-09-01), Inaba et al.
patent: 3619757 (1921-11-01), Ioerger
patent: 3777246 (1973-12-01), Barnes

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