发明名称 |
Battery voltage warning device |
摘要 |
A battery voltage condition indicator in which the battery voltage is periodically sampled and a warning indication is given if the battery voltage falls below a predetermined relatively high value for relatively short periods of time or a predetermined higher voltage value for longer periods of times. In addition, a warning signal is also given in the event an open circuit occurs.
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申请公布号 |
US4943777(A) |
申请公布日期 |
1990.07.24 |
申请号 |
US19890445895 |
申请日期 |
1989.12.02 |
申请人 |
SANSHIN KOGYO KABUSHIKI KAISHA |
发明人 |
NAKAMURA, KAZUHIRO;YOSHIOKA, TATSUYA;SAWADA, RYOJI;NAKAMURA, TOMOJI |
分类号 |
G08B21/00;G01R19/165;G08B21/08;(IPC1-7):G01N27/46 |
主分类号 |
G08B21/00 |
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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