Electro-optic force and pressure transducer and sensor

Details Electro-optic force and pressure transducer and sensor Electro-optic force and pressure transducer and sensor

1987-11-13

1989-03-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231P, 901 33, G01D 530, B25J 1502

Patent

active

048145629

ABSTRACT:
A pressure sensor includes at least one light conducting opening extending generally parallel to a pressure receiving face of a deformable body and a light emitting and a light receiving device at opposite ends of the light transmitting opening. A cross sectional area of the light transmitting opening, and correspondingly the light transmitting capability of the opening, vary in response to changing pressures applied to the pressure receiving face, which is determined by the light receiver. A measuring circuit for the light receiver is also provided.

REFERENCES:
patent: 4488040 (1984-12-01), Rowe
patent: 4560016 (1985-12-01), Ibanez et al.
patent: 4618764 (1986-10-01), Harmer
patent: 4692610 (1987-09-01), Szuchy

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