| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that an inrush current prevention circuit must be provided in each electronic circuit when outputted power from a DC power source is supplied by connecting electronic circuits having bypass capacitors since output of inrush current to the electronic circuits can not be prevented, which becomes a cause of complication of structure of the electronic circuit. SOLUTION: Supply of power can be performed in a desired order while preventing the inrush current without complicating the structure in the electronic circuits 20, 30 since a DC power source control circuit 12 makes a contact 13d into a connected state by outputting a control signal C to a coil 13e after making a contact 13b into the connected state for prescribed time by outputting a control signal B to a coil 13c and makes a contact 14d into the connected state by outputting a control signal E to a coil 14e after making a contact 14b into the connected state for prescribed time by outputting a control signal D to a coil 14c.
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