Linear displacement transducer device

Details Linear displacement transducer device Linear displacement transducer device

1984-05-21

1985-07-30

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Photoelectric

73517R, 73653, 73717, 250231P, G01D 534, G01L 706

Patent

active

045314144

ABSTRACT:
A transducer device for translating increments of linear displacement by means of opto-electronic sensing into increments of units expressed into units of volts. The device comprises an opto-electronic system, having a pair of co-planar, adjacently disposed radiation sensitive surfaces of square configuration, and a thereto facing, closely spaced surface of rectangular configuration being designed to emit a uniform pattern of radiation over its entire active surface. Wherein, the geometry of the emissive and sensing surfaces during relative movement provide a ratio of produced volt equivalent to the ratio of relative displacement between the emissive and sensing surfaces.

REFERENCES:
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patent: 3590261 (1971-06-01), Snook
patent: 3730633 (1973-05-01), Kennedy
patent: 3742233 (1973-06-01), Gergems
patent: 3768311 (1973-10-01), Gorgens
patent: 3788795 (1973-12-01), Zeitlin
patent: 3789674 (1974-02-01), Anderson et al.
patent: 3961185 (1976-06-01), Brokenshire et al.
patent: 4109147 (1978-09-01), Heske
patent: 4122337 (1978-10-01), Okuda
patent: 4239963 (1980-12-01), August et al.

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