| 发明名称 |
Vibrating piece, vibrator, oscillator, and electronic equipment |
| 摘要 |
A vibrating piece comprises a base and vibrating arms formed protruding from the base, wherein a groove is formed on at least one of the front side and rear side of the vibrating arms, and wherein notches are formed in the base.
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| 申请公布号 |
US2002089386(A1) |
申请公布日期 |
2002.07.11 |
| 申请号 |
US20010035094 |
申请日期 |
2001.12.21 |
| 申请人 |
KITAMURA FUMITAKA;SAKATA JUNICHIRO;TANAYA HIDEO |
发明人 |
KITAMURA FUMITAKA;SAKATA JUNICHIRO;TANAYA HIDEO |
| 分类号 |
H03H9/00;H03H9/19;H03H9/21;(IPC1-7):H03B5/32 |
主分类号 |
H03H9/00 |
| 代理机构 |
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代理人 |
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