| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switch device capable of downsizing a control device for controlling the intermission of power supply to vehicle-installed equipment in an integrated manner and capable of reducing manufacturing costs thereof, and to provide a power source system employing the switch device. Ž<P>SOLUTION: The switch device includes blade portions 81a to 81d for transferring torque corresponding to an external force that is applied to an operation knob 10 to the rotation unit 82 in one direction in order to rotate a rotation unit 82 in one direction, and the transfer/interruption of torque to the rotation unit 82 is performed through a coupling mechanism 70. A rotary switch 80 is also provided that is turned on/off according to the rotation position of the rotation unit 82. Then, based on a result of success or failure of authentication of a cell phone, a first member 21 and a second member 22 are coupled or decoupled. Based on turning on/off of a second switch 32, an ignition relay of a vehicle is turned on or off. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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