Optoelectronic synchro generator

Details Optoelectronic synchro generator Optoelectronic synchro generator

1979-08-22

1981-09-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

042899621

ABSTRACT:
An optoelectronic synchro generator which comprises at least one photoelectric circuit element which includes a light source and an associated receiver. A rotatable shaft has mounted thereon, for rotation therewith, elements which define at least one optically effective surface spaced from the axis of rotation of the shaft and through which light coming from the light source impinges on the receiver when the surface is in a predetermined position during the rotation of the shaft. A removable cover covering the shaft and the photoelectric circuit element and a shield disposed between the receiver and the optically effective surface prevents the impingement of stray light on the receiver when the cover is removed.

REFERENCES:
patent: 3693023 (1972-09-01), Wasserman
patent: 3995156 (1976-11-01), Angersbach et al.
patent: 4184071 (1980-01-01), Fryer et al.

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