Speaker
AssigneeTohoku Pioneer Corporation
InventorSatoshi Chiba
Life of this patent
Estimating the term…
Abstract
A degree of freedom in designing a circuit board to which a speaker is attached is enhanced. The speaker including: a frame with a yoke of a magnetic circuit portion embedded inside a central through hole; a diaphragm having a voice coil inserted in a magnetic circuit of the magnetic circuit portion; a cap having a sound dispersing hole that covers over the diaphragm and the frame; and a terminal electrically connected to the voice coil on a side opposite to the cap of the frame, wherein an insulating body is attached to an exposing portion of the yoke on the side opposite to the cap, a back pressure adjusting hole is provided in the exposing portion with respect to the diaphragm, and the terminals are provided to be retractable in the back pressure adjusting hole.
Claims6
A speaker comprising:
- a frame with a yoke of a magnetic circuit portion embedded inside a central through hole;
- a diaphragm having a voice coil inserted in a magnetic circuit of the magnetic circuit portion;
- a cap having a sound dispersing hole that covers over the diaphragm and the frame;
- and
- a terminal electrically connected to the voice coil on a side opposite to the cap of the frame,
- wherein an insulating body is attached to an exposing portion of the yoke on the side opposite to the cap,
- a back pressure adjusting hole is provided in the exposing portion with respect to the diaphragm, and
- the terminals are provided to be retractable in the back pressure adjusting hole.
Dependencies are inferred from the claim text.