发明名称 |
Alarm circuit to detect shorting of periodic signal source |
摘要 |
An alarm circuit to monitor a periodic signal source for an occurrence of a short-circuit condition detects the entry of the instantaneous periodic signal magnitude into a predefined window bounded by an upper and lower threshold. The duration of the entry is timed to determine if a short circuit has occurred.
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申请公布号 |
US4208627(A) |
申请公布日期 |
1980.06.17 |
申请号 |
US19780953443 |
申请日期 |
1978.10.23 |
申请人 |
BELL TELEPHONE LABORATORIES INC |
发明人 |
EBERT, HARRY K JR |
分类号 |
G01R19/145;G01R31/02;(IPC1-7):G01R19/00;G08B21/00 |
主分类号 |
G01R19/145 |
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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