US PATENT SUBCLASS 381 / 418
.~.~.~ Armature linked to diaphragm

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}
418.~.~.~ Armature linked to diaphragm

DEFINITION

Classification: 381/418

Armature linked to diaphragm:

(under subclass 412) Subject matter in which a magnetic member separate from a moving membrane vibrates within a stationary voice coil's electromagnetic field and its motion

is mechanically linked to the moving membrane.