Abstract: An automatic warning system for cars, including at least a transmitting unit installed in the car, which can send digital data via wireless transmission and which upon activation connects to a receiving unit; a picture transferal unit, which includes at least one camera structure, which can send pictures taken inside and outside of the car to the transmitting unit; a measuring unit, which registers collisions and abnormal entering into the car and automatically activates the transmitting unit and picture transferal unit; which will in case of abnormal entering into the car as by a car thief or in case of a car accident automatically take pictures of the inner and outer situation of the car and transfer them to the predefined receiving unit, which can be placed at the next police station or with the car owner, thus enabling them to take immediate appropriate measures.

Abstract: A computer auto shut-off control method used in a vehicle to shut off a computer in the vehicle subject to a normal procedure when the ignition switch of the vehicle is shut off abnormally. The method includes the step of installing a shut-off controller in between the personal computer and the battery power supply of the vehicle, enabling the shut-off controller to monitor the status of battery power supply and the status of the personal computer, to send an OFF signal to drive the personal computer into the shut-off mode when the ignition switch of the vehicle is off and the power switch of the personal computer is on, and to cut off power supply from the personal computer when receive a feedback OFF recognition signal from the personal computer.