US PATENT SUBCLASS 310 / 335
.~.~.~.~ With lens or reflector

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

300  DF  NON-DYNAMOELECTRIC {4}
311  DF  .~ Piezoelectric elements and devices {17}
328  DF  .~.~ With mechanical energy coupling means {6}
334  DF  .~.~.~ Acoustic wave type generator or receiver {3}
335.~.~.~.~ With lens or reflector

DEFINITION

Classification: 310/335

With lens or reflector:

(under subclass 334) Subject matter combined with means to change the direction of a ray of the acoustic wave energy.

SEE OR SEARCH CLASS

181, Acoustics

175+, for acoustic transducers combined with a sound modifier.

367, Communications, Electrical: Acoustic Wave Systems and Devices,

150, and 151 for acoustic transducers combined with a lens or reflector, respectively.