Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1985-06-28
1987-06-30
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
73290V, G01N 2185
Patent
active
046773053
ABSTRACT:
An opto-acoustic fuel quantity gauging system, including: a tank; an ultrasonic energy source; an optical power source; a fiber optic cable; an ultrasonic sensor; an optical detector and a signal conditioning circuit. The ultrasonic energy source is connected to the tank. The ultrasonic energy sensor is connected to the tank. The optical power source is connected to the fiber optic cable. The ultrasonic energy source is connected to the fiber optic cable. The ultrasonic energy sensor is connected to the optical detector by the fiber optic cable. The circuit is connected to the optical detector.
REFERENCES:
patent: 4071753 (1978-01-01), Fulenwider et al.
patent: 4531406 (1985-07-01), Fritz
Cooper Crystal D.
Lovercheck Dale R.
Nelms David C.
Simmonds Precision Products Inc.
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