发明名称 |
Tuning fork formed of rolled invariable elasticity material |
摘要 |
A tuning fork and a manufacturing method thereof which is obtained by punching and folding a material of invariable elasticity. The material is formed in the shape of a plate and processed through a rolling operation, wherein the plate is punched into an approximately V-shape such that the folding line appears at a right angle with respect to the rolling direction of the plate. A piezoelectric element serving as an electrical mechanical conversion device is provided on a vibrating portion.
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申请公布号 |
US4193008(A) |
申请公布日期 |
1980.03.11 |
申请号 |
US19780892946 |
申请日期 |
1978.04.03 |
申请人 |
MURATA MANUFACTURING CO LTD |
发明人 |
NAKAMURA, TAKESHI |
分类号 |
G10G7/02;H03H9/21;(IPC1-7):H01L41/10 |
主分类号 |
G10G7/02 |
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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