Stepper motor system for digitally measuring input quantities

Communications: electrical – Audible indication – Percussion-type sound producer

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Details

73701, 73723, 318687, 340347M, 377 17, H03K 1302

Patent

active

044319851

ABSTRACT:
A digital system for measuring an input quantity includes an input mechanism for providing a first input in response to an input quantity to be measured, a stepper motor for providing a second input, a measuring apparatus connected to the input mechanism and to the stepper motor such that the measuring apparatus provides an output when the first and second inputs reach a predetermined relationship, and a circuit connected to the stepper motor and to the measuring apparatus for stepping the stepper motor from a reference position and for counting the steps of the stepper motor until the measuring apparatus provides the output.

REFERENCES:
patent: 3453510 (1969-07-01), Kreuter et al.
patent: 3548164 (1970-12-01), Hall
patent: 3739645 (1973-06-01), Gorgens et al.
patent: 3832618 (1974-08-01), Levesque et al.
patent: 3845348 (1974-10-01), Riley
patent: 3908460 (1975-09-01), Lichowsky
patent: 3937912 (1976-02-01), Martin
patent: 3962619 (1976-06-01), Nishimura et al.
patent: 4314146 (1982-02-01), Berney

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