Surface-area pressure transducer and line-selection circuit for

Details Surface-area pressure transducer and line-selection circuit for Surface-area pressure transducer and line-selection circuit for

1985-08-21

1987-02-24

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

73172, 361283, G01D 702, H01G 700

Patent

active

046448012

ABSTRACT:
A surface-area-pressure transducer comprises: at least one pair of electrode layers each including a plurality of electrically-conductive elements, the elements of one layer extending in spaced, crossing relationship to the elements of the other layer; and a compressively-deformable dielectric layer composed of fibers interposed between the two electrode layers to define therewith an array of capacitors whose capacitances are changed by the compression of said dielectric layer when subjected to pressure. Also described is a line-selector circuit for individually selecting each capacitor for measurement without electrical cross-talk from the other capacitors.

REFERENCES:
patent: 3565195 (1971-02-01), Miller
patent: 4134063 (1979-01-01), Nicol et al.
patent: 4405917 (1983-09-01), Chai
patent: 4437138 (1984-03-01), Nicol
patent: 4526043 (1985-07-01), Boie et al.
patent: 4581677 (1986-04-01), Hruby et al.

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