Fiber optic displacement measuring apparatus

Details Fiber optic displacement measuring apparatus Fiber optic displacement measuring apparatus

1974-02-04

1976-02-24

Rubin, David H.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350 96B, 356 4, G02B 516

Patent

active

039406083

ABSTRACT:
Fiber optic displacement/position measuring apparatus having increased working distance and measuring range capability is provided by combining an optical extending sensing head in fixed relationship with the common end of a bifurcated fiber optic bundle. The sensing head includes a lens system which is operative to focus the image of the end face of the fiber optic bundle onto the surface of an object whose displacement is to be determined and to refocus that image back onto the end in an upright relationship.

REFERENCES:
patent: 3305689 (1967-02-01), Leavy et al.
patent: 3327584 (1967-06-01), Kissinger
patent: 3497701 (1970-02-01), Dalton
patent: 3584779 (1971-06-01), Kessler et al.
patent: 3619067 (1971-11-01), Howland et al.
patent: 3777153 (1973-12-01), Anderson et al.
patent: 3788741 (1974-01-01), Buechler

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