| 摘要 |
PCT No. PCT/GB93/02311 Sec. 371 Date Jul. 18, 1995 Sec. 102(e) Date Jul. 18, 1995 PCT Filed Nov. 10, 1993 PCT Pub. No. WO94/13516 PCT Pub. Date Jun. 23, 1994A vehicle intruder detection system including at least one pressure operated switch which comprises a first, movable, conductive strip contact and a second, fixed, conductive strip contact. The second contact is attached to a fixed surface located within a vehicle interior so that the first contact is located in proximity, but not fixedly attached, to an internal face of a vehicle window. Each switch is connected into a circuit which incorporates an alarm, which is then triggered by application of a force to the external surface of a window sufficient to bring the first and second contacts together to close one of the switches. |
