ANTITHEFT SYSTEM Russian patent published in 1997 - IPC

FIELD: transport engineering; protection of automobiles from theft and unauthorized use. SUBSTANCE: system consists of protection set installed on automobile and operative action set installed in check point. Protection set is switched on by the User. In case of hi-jacking when automobile approaches the check point operative-action set generates signal indicating that automobile is near the check point and gives direction to automobile and distance from check point to automobile. Having identified the automobile officer an switch on the transmitter as a result of which side lights of automobile will start blinking at definite frequency. The officer can also send a signal to shut down engine of automobile. Transmitting units of protection and operative-action sets are built around relatively influencing superregenerative pulse generators with external superpositioning and autosuperpositioning, respectively. EFFECT: improved protection. 13 dwg