| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent malfunction related to a latching relay circuit regarding a power supply control circuit including the latching relay circuit. <P>SOLUTION: A power supply control circuit includes a latching relay circuit (4) connected to an external power supply, an external power supply monitoring circuit (2) for monitoring the external power supply (1), a post-stage power supply monitoring circuit (7) for monitoring a power supply at the post-stage of the latching relay circuit (4), and a control circuit (5) that instructs ON-operation of the latching relay circuit (4) on the basis of the monitoring result of the external power supply outputted from the external power supply monitoring circuit and the monitoring result of the power supply at the post-stage of the latching relay circuit (4) outputted from the post-stage power supply monitoring circuit. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
