Oscillatory, optically coupled measurement system

Details Oscillatory, optically coupled measurement system Oscillatory, optically coupled measurement system

1998-07-03

2000-01-25

Font, Frank G.

Optics: measuring and testing

Photometers

356372, 356373, G01J 100

Patent

active

060183861

ABSTRACT:
A mechanical oscillator-based physical quantity measurement system is disclosed. The mechanical oscillator is coupled by optical signals to a source of oscillation-sustaining energy and this energy is also time-shared between oscillation sustenance and the generation of oscillation frequency-characterized optical output signals. Measurement of physical quantities including fluidic pressure, electrical current flow, physical acceleration and magnetic field strength is contemplated with the disclosed system.

REFERENCES:
patent: 3561253 (1971-02-01), Dorman
patent: 3653253 (1972-04-01), Olin
patent: 4077700 (1978-03-01), Camphausen
patent: 4294513 (1981-10-01), Nelson et al.
patent: 4300813 (1981-11-01), Gravel
patent: 4385798 (1983-05-01), Yevick
patent: 5571945 (1996-11-01), Koutrakis et al.

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