Invention Grant
- Patent Title: Speaker device
- Patent Title (中): 扬声器装置
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Application No.: US12670819Application Date: 2007-07-31
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Publication No.: US08638976B2Publication Date: 2014-01-28
- Inventor: Kazuaki Watanabe
- Applicant: Kazuaki Watanabe
- Applicant Address: JP Kanagawa JP Yamagata
- Assignee: Pioneer Corporation,Tohoku Pioneer Corporation
- Current Assignee: Pioneer Corporation,Tohoku Pioneer Corporation
- Current Assignee Address: JP Kanagawa JP Yamagata
- Agency: Osha Liang LLP
- International Application: PCT/JP2007/065007 WO 20070731
- International Announcement: WO2009/016743 WO 20090205
- Main IPC: H04R9/06
- IPC: H04R9/06 ; H04M1/02

Abstract:
A speaker apparatus that even when being relatively thin and compact, realizes reduction of generation of abnormal noise by contact between a lead wire and another member, reduction of breakage of lead wire and reduction of deterioration of sound quality. The speaker apparatus is one comprising magnetic circuit (2) provided with a magnetic gap in which voice coil (33) is fitted with play; vibrator (3) directly or indirectly fixed to the voice coil (33); frame (5) supporting the vibrator (3), provided thereinside with the magnetic circuit (2); and terminal part (6) to which lead wire (4) from the voice coil (33) is connected, wherein lead path (7) for passage of the lead wire (4) coming from the voice coil (33) is disposed between the voice coil (33) fitted with play in the magnetic gap (G) and the terminal part (6) provided in the frame (5).
Public/Granted literature
- US20100203918A1 SPEAKER DEVICE Public/Granted day:2010-08-12
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