Acoustic volume indicator

Details Acoustic volume indicator Acoustic volume indicator

2007-05-15

2007-05-15

Kwok, Helen (Department: 2856)

Measuring and testing

Liquid level or depth gauge

C073S149000, C073S579000

Reexamination Certificate

active

11245696

ABSTRACT:
Acoustic volume indicators for determining liquid or gas volume within a container comprise a contactor to vibrate a container wall, a detector to receive vibration data from the container wall, a processor to convert vibration data to frequency information and compare the frequency information to characteristic container frequency vs. volume data to obtain the measured volume, and an indicator for displaying the measured volume. The processor may comprise a microprocessor disposed within a housing having lights that each represent a particular volume. The microprocessor is calibrated to provide an output signal to a light that indicates the container volume. The processor may comprise a computer and computer program that converts the data to frequency information, analyzes the frequency information to identify a peak frequency, compares the peak frequency to the characteristic frequency vs. volume data to determine the measured volume, and displays the measured volume on a video monitor.

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