Fluid control device and sphygmomanometer

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12092094
SERIAL NO

16569923

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Abstract

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A fluid control device includes a piezoelectric pump that includes a piezoelectric element and whose discharge pressure output varies depending on a drive frequency of the piezoelectric element, a self oscillation circuit that self-oscillates in accordance with a drive supply voltage and that drives the piezoelectric element at an oscillation frequency, and a control circuit that generates a control voltage. The oscillation frequency of the self oscillation circuit varies depending on the control voltage.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTDKYOTO JAPAN KYOTO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okaguchi, Kenjiro Kyoto, JP 38 195

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