US PATENT SUBCLASS 702 / 39
.~.~.~ Sound energy (e.g., ultrasonic)

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}
35  DF  .~.~ Flaw or defect detection {4}
39.~.~.~ Sound energy (e.g., ultrasonic)

DEFINITION

Classification: 702/39

Sound energy (e.g., ultrasonic):

(under subclass 35) Subject matter wherein signal within audible frequency or above that of audible frequency (i.e. between sonic and hypersonic) is used to identify the fault.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48, for acoustic flow metering.

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.