Rotational magnetic transducer

Details Rotational magnetic transducer Rotational magnetic transducer

1981-12-29

1983-09-27

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

324174, 310 68R, 310154, 322 31, G05B 106

Patent

active

044069839

ABSTRACT:
A magnetic transducer is provided having a plurality of magnetic poles arranged annularly about an axis to form a stator coacting with a rotor which rotates about the same axis to induce changes in the magnetic forces between the poles. Each of the poles in the stator has a sense coil thereon for generating an electric output signal in response to the induced changes in flux. At least one pair of these magnetic poles have the same polarity and are positioned substantially 180.degree. apart. The sense coils on each of the poles in this pair are connected in series so that the resulting output electrical signal from these coils would be cumulative.

REFERENCES:
patent: 2886766 (1959-05-01), Gibson
patent: 3226711 (1965-12-01), Lautzenhiser
patent: 3406775 (1968-10-01), Magnuski
patent: 3509555 (1970-04-01), Loughlin
patent: 3688306 (1972-08-01), Oishi et al.
patent: 3805161 (1974-04-01), Bayha et al.
patent: 3970935 (1976-07-01), Beery
patent: 4217513 (1980-08-01), Kohzai et al.
Jasik, Emil; "Sensing Speed for Control and Measurement;" Machine Design Magazine; 10/20/77; pp. 168-171.

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