Fiber-optic measuring apparatus using luminescent material

Details Fiber-optic measuring apparatus using luminescent material Fiber-optic measuring apparatus using luminescent material

1985-03-04

1989-11-14

Fields, Carolyn E.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250227, 250231P, 250368, 2504581, G01P 100, G01N 2164, G02B 514

Patent

active

048809721

ABSTRACT:
The present invention relates to a fiber-optic measuring apparatus for measuring physical quantities, such as position, speed, acceleration, force, pressure, elongation, temperature, etc., comprising at least one optic fiber for conducting light between an electronic unit and a transducer. The transducer comprises a member having at least one luminescent material, and the position of that member with respect to the fiber end is influenced by the quantity being measured, the output signal from the transducer thus being dependent on the quantity being measured.

REFERENCES:
patent: 2353586 (1944-07-01), Reininger
patent: 2501560 (1950-03-01), Blau
patent: 4075493 (1978-02-01), Wickersheim
patent: 4176551 (1979-12-01), Hammer et al.
patent: 4213138 (1980-07-01), Campbell et al.
patent: 4245507 (1981-01-01), Samulski
patent: 4281245 (1981-07-01), Brogardh et al.
patent: 4356396 (1982-10-01), Ruell et al.
patent: 4562348 (1985-12-01), Brogardh et al.

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