Angular sensor

Details Angular sensor Angular sensor

1974-08-22

1976-05-04

Corbin, John K.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

356138, 350 96R, G02B 2724, G02B 514

Patent

active

039543390

ABSTRACT:
An annular position sensor employing optical fibers in pairs, one end of the fiber of each pair being associated with a single light source and the corresponding ends of the other fibers of each pair being associated with respective light detectors. The opposite ends of each pair of fibers terminate at mutually conjugate points with respect to, and on opposite sides of the focus of, a collimating lens element disposed to view a retro-reflector mounted on a rotational member to be monitored.

REFERENCES:
patent: 3079835 (1973-03-01), Saperstein
patent: 3277304 (1966-10-01), Vyce
patent: 3574466 (1971-04-01), Peters
patent: 3804522 (1974-04-01), Smith
Hazell et al., Jour. Sci. Instr., Series 2, Vol. 2, 1969, pp. 110-111.

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