US PATENT SUBCLASS 73 / 1.82
.~ Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic)

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

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.82.~ Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic) {4}
1.83  DF  .~.~> Liquid
1.84  DF  .~.~> Rotary or rotor unbalance
1.85  DF  .~.~> Seismic (e.g., geophone) or with optical sensor
1.86  DF  .~.~> Reference standard detail

DEFINITION

Classification: 73/1.82

Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic):

(under subclass 1.01) Subject matter wherein either (a) the apparatus being proven or calibrated undergoes a rapid linear motion about an equilibrium position or (b) the apparatus being proven or calibrated, tested, or adjusted measures a rapid linear motion of a body about an equilibrium position.