发明名称 |
FAULT DIAGNOSTIC METHOD AND DEVICES |
摘要 |
The present invention relates to a fault diagnosis device and a fault diagnosis method of an automatic focusing module and, more specifically, to a fault diagnosis device and a fault diagnosis method of an automatic focusing module which can test driving performance in accordance with the change in current, determine a failure through the analysis of natural frequency characteristics, and determine failure causes such as contamination failure and poor bonding failure. |
申请公布号 |
KR101436932(B1) |
申请公布日期 |
2014.09.03 |
申请号 |
KR20130165669 |
申请日期 |
2013.12.27 |
申请人 |
KOREA INSTITUTE OF MACHINERY & MATERIALS |
发明人 |
HA, TAE HO;SONG, JOON YUB;LEE, CHANG WOO;LEE, JAE HAK;KIM, HYOUNG JOON |
分类号 |
G03B43/00;G01M11/00;G02B7/09 |
主分类号 |
G03B43/00 |
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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