US PATENT SUBCLASS 73 / 632
.~.~.~ Sonic wave transmitter or receiver transducer

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

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
596  DF  .~.~ Beamed {10}
632.~.~.~ Sonic wave transmitter or receiver transducer {4}
633  DF  .~.~.~.~> Having transducer scanning means {4}
642  DF  .~.~.~.~> Having wave shaping means
643  DF  .~.~.~.~> Nonvibrating transducer
644  DF  .~.~.~.~> Having significant coupling means

DEFINITION

Classification: 73/632

Sonic wave transmitter or receiver transducer:

(under subclass 596) Subject matter directed to transducer means, particularly adapted for inducing sonic waves into a test body or for receiving sonic waves from the body for test purposes.

(1) Note. The coupling means may serve as a delay means.

(2) Note. A measuring combination under subclass 596 including coupling means producing a mechanical delay is in subclass 617.

(3) Note. A measuring combination under subclass 596 including scanning is in subclasses 618+.

(4) Note. A method of inducing waves in a body or receiving waves from a body is in this class, subclasses 632+, but a method of testing under subclass 596 is classified in the appropriate subclass preceding subclasses 632+.

(5) Note. This subclass and subclasses indented hereunder include such noted transducer means with means for energizing the transducer, scanning the transducer, positioning the transducer, producing signals corresponding to transducer scan position, focusing or shaping the waves, and coupling the waves to the body.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure, 334+, for piezoelectric devices.