Wide range fiber optical displacement sensor

Details Wide range fiber optical displacement sensor Wide range fiber optical displacement sensor

1989-08-28

1991-02-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022729, H01J 516

Patent

active

049964186

ABSTRACT:
A fiber optical displacement sensor having a wider range of measurable distances and displacements. The fiber optical displacement sensor includes collimation device, attached to ends of projecting and receiving optical fibers, for collimating a projection beam to be emitted from an end of the projecting optical fiber facing toward a surface to be measured and a reflected beam to be received by an end of the receiving optical fiber facing toward the surface to be measured.

REFERENCES:
patent: 3999864 (1976-12-01), Mutter
patent: 4479717 (1984-10-01), Cornillault
patent: 4569925 (1986-06-01), Gilby
patent: 4750835 (1988-06-01), McMurtry

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