Pressure sensing device

Details Pressure sensing device Pressure sensing device

1985-01-31

1988-08-16

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

338 99, 338114, G01L 118, H01C 1012

Patent

active

047635347

ABSTRACT:
A pressure sensing device utilizing force transducer ink comprises a resistive region deposited between a first and a second conducting region on a first insulating material, the resistive region electrically coupling the two conducting regions. On a second insulating material, a conducting region is deposited and a layer of force transducer ink is deposited over the conducting region. The two insulating materials are positioned in such a manner that the pressure transducer ink is in contact with the resistive region and separates the resistive and coupled conducting regions from the conducting region. A determination of the force applied to this configuration can be made by measuring the resistance between the first and second conducting regions. According to a second embodiment, a second resistive region and coupled conducting regions replace the conducting region on the second insulating material. By orienting the two resistive conducting element configuration, a position of a force applied to the pressure sensing device can be determined as well as the strength of the force.

REFERENCES:
patent: 3503031 (1970-03-01), Nyhus et al.
patent: 4014217 (1977-03-01), Lagasse et al.
patent: 4575601 (1986-03-01), Taguchi et al.

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