US PATENT SUBCLASS 381 / 422
.~.~.~.~.~ Like poles adjacent

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

Internet Version by PATENTEC © 1999      Terms of Use


381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

150  DF  ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
396  DF  .~ Electromagnetic (e.g., dyynamic) {8}
412  DF  .~.~ Magnetic circuit {8}
420  DF  .~.~.~ Having central magnetic portion {1}
421  DF  .~.~.~.~ Plural magnets {1}
422.~.~.~.~.~ Like poles adjacent

DEFINITION

Classification: 381/422

Like poles adjacent:

(under subclass 421) Subject matter in which respective regions of either north magnetic polarity or south magnetic polarity of two magnets are juxtaposed.