Pressure measurement

Measuring and testing – Fluid pressure gauge – With pressure and/or temperature compensation

Reexamination Certificate

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Reexamination Certificate

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07047811

ABSTRACT:
Pressure measurement may be achieved by using a pressure-conveyance media that responds to externally applied pressure to convey pressure to a pressure sensor. With the conveyance of pressure, the pressure measurement may be accomplished by determining a pressure of the pressure-conveyance media, determining a temperature of the pressure-conveyance media, and determining pressure externally exerted on the pressure-conveyance media based one the pressure of the pressure-conveyance media and the temperature of the pressure-conveyance media.

REFERENCES:
patent: 2216374 (1940-10-01), Martin
patent: 3712138 (1973-01-01), Alinari
patent: 4111056 (1978-09-01), Mastromatteo
patent: 4192192 (1980-03-01), Schnell
patent: 4221134 (1980-09-01), Ekstrom, Jr.
patent: 4641533 (1987-02-01), Mueller et al.
patent: 4722228 (1988-02-01), Awa et al.
patent: 4777827 (1988-10-01), Brodetsky
patent: 5111698 (1992-05-01), Banholzer et al.
patent: 5187985 (1993-02-01), Nelson
patent: 5286931 (1994-02-01), Murphy et al.
patent: 5349866 (1994-09-01), Huang
patent: 5652391 (1997-07-01), Kingsford et al.
patent: 0764839 (1997-03-01), None
PCT International Search Report, PCT/US2004/001494, Sep. 1, 2004, pp. 1-3.

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