| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an anti-theft device for vehicle which increases vehicle theft prevention effects by making variable the visible light permeability of a window which is provided on the vehicle. <P>SOLUTION: An ID signal which is transmitted from an intelligent key 1 when a door lock command is received by a receiving section 22 and is demodulated, and the ID information is input from the receiving section 22 to a control section 23. The control section 23 collates the input ID information with a stored registered ID, and when they agree to each other, the control section 23 transmits the ID information to an alarm control unit 3. At a control section 33 of the alarm control unit 3, whether the ID information and the registered ID agree to each other is judged, and when they agree, a command is transmitted to a window control unit 4. Then, the visible light permeability of a window glass 5 is reduced to a degree in which the inside of the cabin is invisible from the outside of the automobile. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
