Device for calibrating a pressure detector

Details Device for calibrating a pressure detector Device for calibrating a pressure detector

2007-07-31

2007-07-31

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Fluid pressure

Reexamination Certificate

active

10467970

ABSTRACT:
Device for calibrating a pressure detector, particularly an infrasonic pressure detector. This device includes measurement means for applying to this detector a reference pressure which varies depending on time and all of whose spectrum components covering a predetermined frequency range are excited simultaneously with one and the same amplitude and a zero phase shift, or a constant delay, relative to each other.

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patent: 4909064 (1990-03-01), Talmadge
patent: 5567863 (1996-10-01), Larson et al.
patent: WO 9322891 (1993-11-01), None

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