| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a connector connection detection circuit for enabling a user to clearly recognize that a connector has been surely connected. <P>SOLUTION: This connector connection detection circuit is provided with: a capacitor; a buzzer; and a first terminal connected to the capacitor; a first connector having a second terminal connected to the buzzer. When a second connector is connected to the first connector, and the first terminal is shirt-circuited to the second terminal, currents flow to the buzzer according to the discharge of the capacitor, and the buzzer emits a voice. <P>COPYRIGHT: (C)2011,JPO&INPIT |
