发明名称 |
Multifunction acoustic device |
摘要 |
A diaphragm is mounted in a cover for producing sounds, a vibrating assembly including a pole piece is resiliently mounted in the cover so as to be vibrated. A receiving portion is formed on the pole piece of the vibrating assembly for receiving a mass adjusting adhesive, so that the vibration frequency of the vibrating assembly is adjusted to a predetermined frequency.
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申请公布号 |
US2002076077(A1) |
申请公布日期 |
2002.06.20 |
申请号 |
US20010996751 |
申请日期 |
2001.11.30 |
申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
KOBAYASHI TAKASHI;YONEYAMA AKIRA |
分类号 |
G10K9/13;B06B1/04;G10K15/04;H02K33/18;H04R1/00;H04R1/24;H04R9/02;H04R9/06;(IPC1-7):H04R1/00 |
主分类号 |
G10K9/13 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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