Measuring and testing – Vibration – Test chamber
Patent
1992-08-06
1995-01-31
Chilcot, Jr., Richard E.
Measuring and testing
Vibration
Test chamber
73149, 73579, 73708, G01M 700, G01N 2900, G01F 1700
Patent
active
053850696
ABSTRACT:
The invention is a device and method for the non-invasive determination of the volume of an object which may be animate. The invention employs the principal of the Helmholtz resonator to simultaneously measure acoustic resonance signals which are characteristic of the container enclosing the object and a separate resonator disposed within the container, thereby permitting determination of the body volume independent of the influence of variations in temperature and humidity.
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Brown James J.
Chilcot Jr. Richard E.
Hydronautics Research, Inc.
Oen William L.
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