Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VOICE COIL, SPEAKER, AND SPEAKER SYSTEM
Document Type and Number:
Japanese Patent JP2021125756
Kind Code:
A
Abstract:
To reduce a temperature rise in winding wires.SOLUTION: A voice coil 1 is constituted by winding winding wires around a voice coil bobbin 2 by separation in an axial direction of the voice coil bobbin 2. Air holes 3 are arranged between the winding wires in the voice coil bobbin 2. A speaker includes: the voice coil 1; a speaker diaphragm to be connected to the voice coil 1; a magnetic circuit having a magnetic gap to arrange the voice coil 1; a frame to be connected to the magnetic circuit; and an edge whose outer peripheral end is fixed to the frame, so as to support an outer peripheral end of the speaker diaphragm.SELECTED DRAWING: Figure 1

Inventors:
YOSHIDA MASAHIRO
Application Number:
JP2020016552A
Publication Date:
August 30, 2021
Filing Date:
February 03, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ONKYO HOME ENTERTAINMENT CORP
International Classes:
H04R9/04