Title:
スピーカ
Document Type and Number:
Japanese Patent JP4671236
Kind Code:
B2
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.
Inventors:
Satoshi Chiba
Application Number:
JP2006147972A
Publication Date:
April 13, 2011
Filing Date:
May 29, 2006
Export Citation:
Assignee:
Pioneer Corporation
Tohoku Pioneer Co., Ltd.
Tohoku Pioneer Co., Ltd.
International Classes:
H04R9/00; H04R9/02
Domestic Patent References:
| JP2004517591A | ||||
| JP2003309889A | ||||
| JP2005534238A | ||||
| JP2004512753A | ||||
| JP2001086590A | ||||
| JP2002112388A | ||||
| JP10224894A |
Attorney, Agent or Firm:
Yasuo Ishikawa