Motor control circuit

Details Motor control circuit Motor control circuit

1978-06-21

1980-06-03

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318294, 318681, G05F 108

Patent

active

042063949

ABSTRACT:
A motor control circuit of the Wheatstone bridge type is described for driving a direct current motor, selectively, in one direction or the other for the general purpose of automatically setting the diaphragm of a photographic camera in accordance with the light impinging on a photo-responsive element.

REFERENCES:
patent: 3260912 (1966-07-01), Gregory
patent: 3378740 (1968-04-01), Cruel
patent: 3427520 (1969-02-01), Oppedahl
patent: 3477004 (1969-11-01), Westbrook
patent: 3652913 (1972-03-01), Leland
patent: 3809981 (1974-05-01), Maida

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