US PATENT SUBCLASS 367 / 190
.~.~ With feedback control

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

Internet Version by PATENTEC © 1999      Terms of Use


367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

140  DF  SIGNAL TRANSDUCERS {4}
189  DF  .~ Vibrator-type transmitter {1}
190.~.~ With feedback control

DEFINITION

Classification: 367/190

With feedback control:

(under subclass 189) Subject matter in which a portion of the output of the generator is used to control the operation of the generator itself.