US PATENT SUBCLASS 381 / 410
.~.~.~ Coil coating, winding layer structure, or wire

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}
400  DF  .~.~ Movable voice coil {8}
410.~.~.~ Coil coating, winding layer structure, or wire

DEFINITION

Classification: 381/410

Coil coating, winding layer structure, or wire:

(under subclass 400) Subject matter specifying details of a cylindrically wound voice coil (e.g., on bobbin), such as 1)

insulation or wire covering, 2) manner in which wire is wound on bobbin, or 3) details of the conductor per se, such as crossection (e.g., square, etc.) or wire material (copper, silver, etc.).

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators, for conductors.

336, Inductor Devices,

222+, for winding an inductor device.