发明名称 |
Engine speed indicator |
摘要 |
An engine rpm sensor utilizes a gas filled lamp for connection to a circuit, including an engine ignition system and a spark plug. A light pipe is exposed to the lamp and couples an optical signal each time a spark plug is fired to a remote location for utilization in a display or indicating device.
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申请公布号 |
US4224570(A) |
申请公布日期 |
1980.09.23 |
申请号 |
US19780968618 |
申请日期 |
1978.12.11 |
申请人 |
SIMPSON ELECTRIC COMPANY, A DIVISION OF AMERICAN GAGE & MACHINE COMPANY |
发明人 |
MESEROW, FRANCIS P. |
分类号 |
G01P3/48;G01P3/486;(IPC1-7):G01P3/36 |
主分类号 |
G01P3/48 |
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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