Title:
ANTISHIFT DEVICE FOR AUTOMOBILE
Document Type and Number:
Japanese Patent JPS63269757
Kind Code:
A
Abstract:
PURPOSE:To obtain high antishift performance by constituting the device in the caption, in the case that a door glass is broken, in such a way as to detect the pressure change at the time of the break by means of a pressure sensor provided between the door glass and a vehicle body so as to give an alarm. CONSTITUTION:When a passenger gets off a vehicle with a predetermined condition satisfied, an antishift control unit 19 starts its operation so as to enter into a warning condition. Under this earning condition, in the case of an irregular operation such that a door, a rear hatch or a hood opened, an ignition circuit is shortened or the like without using a key, there is judged the possibility of a theft so as to operate a horn 11 and flash a flash light 12, resulting in giving an alarm. And further, under the warning condition, in the case that a thief breaks a door glass E, a contact pressure of the door glass E to a vehicle body A decreasing, and then, the pressure drop is detected by a pressure change detector 18 in accordance with output from a pressure sensor 17, in the same way, thereby resulting in the judgement of a theft so as to give an alarm.
Inventors:
TAKAO KEIJI
Application Number:
JP10163687A
Publication Date:
November 08, 1988
Filing Date:
April 24, 1987
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
B60J1/00; B60R25/04; B60R25/10; B60R25/20; B60R25/31; B60R25/34; E05F15/665; (IPC1-7): B60J1/00; B60R25/04; B60R25/10; E05F15/16
Previous Patent: SEAT BELT REFRACTOR DEVICE FOR AUTOMOBILE
Next Patent: DOOR LOCK PREVENTING DEVICE WHEN AUTOMOBILE KEY IS FORGOT TO BE PULLED OUT
Next Patent: DOOR LOCK PREVENTING DEVICE WHEN AUTOMOBILE KEY IS FORGOT TO BE PULLED OUT