DEVICE FOR PREVENTING UNAUTHORISED USE OF VEHICLE HAVING INTERNAL COMBUSTION ENGINE WITH ELECTRONIC IGNITION SYSTEM Russian patent published in 1995 - IPC

FIELD: automotive industry. SUBSTANCE: unit for distorting and restoring ignition pulses are interconnected in circuit of the ignition system in series between the pickup of the ignition moments and ignition coil. The unit for switching condition of operation is mounted inside the ignition lock and can stop the power supply and start power supply at safety condition and general operation of vehicle respectively. When one tries to steal a vehicle, the engine operates unstably. EFFECT: enhanced reliability. 5 cl, 7 dwg