PROGRAMMABLE MONITOR SYSTEM, PARTICULARLY SAFETY DEVICE FOR CAR MOUNTING WHAT IS CALLED HANDS-FREE MONITOR SYSTEM

PROBLEM TO BE SOLVED: To prevent a wrong operation during running a car by a safety device. SOLUTION: This safety device for car comprises a programmable monitor system 1 and a specific system 2 of at least one of transmission destinations to which the monitor system transmits a command signal. The device includes a hard-wired logic circuit 4 mounted between a control device 3 and the specific system mounted in the same way as the programmable monitor system and blocks a command signal OV transmitted to the specific system by the monitor system when the command signal OV transmitted by the monitor system corresponds to a command signal obtained in regard to a command C received by the control device and when the command C is not received from the control device by the hard-wired logic circuit. The device is to be mounted on a car having the programmable monitor system such as a hands-free monitor system and one or more specific systems such as an electrical theft preventing system or a power supply monitor system.