| 摘要 |
PURPOSE:To prevent completely a connector from being detached, by preventing the connector from being detached, by a lever fixed mechanically to a switch, and constituting so that an alarm is raised by a buzzer, when this preventing mechanism is released. CONSTITUTION:A connector 1 is connected to a receptacle part of a portable terminal equipment 7, and its knob 31 is set to an off-side by rotating a rotary switch 3. The connector 1 is prevented from being detached, by holding down this connector metallic fittings 2. When it is tried to detach the connector 1 when a data is being transferred, due to a careless handling, a movable cutting piece 32 of the rotary switch 3 is switched necessarily to a fixed contact 33, connected to a buzzer 5, and an alarm is raised. |
