AUTOMOBILE ANTITHEFT DEVICE Russian patent published in 2004 - IPC

FIELD: transport engineering. SUBSTANCE: invention is designed to protect vehicle from unauthorized use. Command processing and synthesizing unit is connected through ignition switch to plus terminal of vehicle supply source and is connected with data reader unit with possibility of enquiry and readout of unlocking code. Reader unit is connected by radio with electronic mark. Each of N HOOK-UP units contains forming circuit of matching unit and decoder and controllable relay for corresponding functional unit of vehicle connected to decoder output. Each of M WAIT UP contains said forming circuit and controllable relay and storage element placed between decoder and controllable relay, delay element placed between matching unit and storage element and vehicle motion sensor. Device contains also additional vehicle motion sensor connected to processor unit. Inputs of all N+M matching units are connected to processor unit. EFFECT: facilitated mounting of optional equipment on vehicle improved operation reliability of said equipment, facilitated maintenance and repair of vehicle at preservation of required level of protection. 2 dwg