发明名称 |
Photo tachometer for a digital multimeter |
摘要 |
A apparatus for determining the rotational speed of an object or an assembly. The apparatus includes a device that emits a light as well as detect the light reflected from the measured object. A reflective surface is attached to the object to enable it to reflect the light from the device. The device is connected to an analyzer that reads the detected signal and display the results.
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申请公布号 |
US2003040883(A1) |
申请公布日期 |
2003.02.27 |
申请号 |
US20010933752 |
申请日期 |
2001.08.22 |
申请人 |
SPX CORPORATION |
发明人 |
ERMER COREY;TUSA DAVID;KOCHIE ROBERT |
分类号 |
G01P3/486;(IPC1-7):G01P3/00;G06F15/00 |
主分类号 |
G01P3/486 |
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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