Arent Fox Kintner Plotkin & Kahn
Loudspeaker
A loudspeaker has a cylindrical frame, a magnetic circuit formed on the frame, a voice coil disposed in a magnetic gap of the magnetic circuit, a diaphragm. A damper is attached to the frame and supports the voice coil. Leads are connected to both ends of the voice coil. The leads are attached to the damper by stitching.
Pioneer Electronics Corporation Tohoku Pioneer Electronic Corporation
H
H04R
inventional
Shigeru Jiro
Watanabe Nakazono