US PATENT SUBCLASS 702 / 48
.~.~.~ Acoustic

Current as of: June, 1999
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702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

1  DF  MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT {6}
33  DF  .~ Mechanical measurement system {6}
45  DF  .~.~ Flow metering {4}
48.~.~.~ Acoustic

DEFINITION

Classification: 702/48

Acoustic:

(under subclass 45) Subject matter wherein the amount of fluid mass or volume flow is determined by sound energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for fluid measurement having vibration or acoustic sensor.

159, for dimensional determination by a reflected ultrasonic signal.

171, for determination of thickness or width by ultrasonic.

SEE OR SEARCH CLASS

73, Measuring and Testing, 861.18 for volume or rate of flow determination by vibration or acoustic energy.