Resonant frequency pressure sensor

Measuring and testing – Fluid pressure gauge – Diaphragm

Reexamination Certificate

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Details

C073S728000

Reexamination Certificate

active

07444878

ABSTRACT:
A pressure sensor (S) includes an antenna member (10) that is adapted to be resonantly responsive to a desired frequency of electromagnetic radiation (12). An inductance changing body formed from a compressible dielectric material (14) is positioned in proximity to the antenna member (10). A housing member (16) houses the antenna member (10) in a desired proximity to the compressible dielectric material (14). The compression of the dielectric material (14) changes the effective dielectric constant of the antenna (10).

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patent: 2007/0035387 (2007-02-01), Forster

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