Patent ID: 11968512
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A speaker device comprising:
a first frame having an opening;
a first yoke coupled to an inner periphery of the first frame;
a first magnet disposed on the first yoke;
a first diaphragm supported by the first frame;
a first voice coil connected to the first diaphragm to cause vibrations of the first diaphragm;
a second frame having an opening;
a second yoke coupled to an inner periphery of the second frame;
a second magnet disposed on the second yoke;
a second diaphragm supported by the second frame;
a second voice coil connected to the second diaphragm to cause vibrations of the second diaphragm; and
a magnetic plate to couple magnetic flux generated from the first magnet and the second magnet between the first yoke and the second yoke, the magnetic plate comprising:
a first surface magnetically coupled to the first yoke; and
a second surface magnetically coupled to the second yoke.