US PATENT SUBCLASS 73 / 862.41
.~.~.~ By measuring vibrations (e.g., resonant frequency)

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

862  DF  DYNAMOMETERS {5}
862.381  DF  .~ Responsive to force {13}
862.391  DF  .~.~ To determine tension on a flexible element {4}
862.41.~.~.~ By measuring vibrations (e.g., resonant frequency)

DEFINITION

Classification: 73/862.41

By measuring vibrations (e.g., resonant frequency):

Subject matter under subclasses 862.391+ wherein the flexible element is vibrated and the sensing means senses the amplitude or frequency of the vibrations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

517, 581, 704, 778, and 862.59, for other measuring devices comprising vibratory flexible elements.