VEHICLE ANTITHEFT DEVICE Russian patent published in 1999 - IPC

FIELD: transport engineering; protective devices preventing unauthorized use of vehicle. SUBSTANCE: device has sanctioned access code identification unit with transmit-receive antenna and controller connected with engine starting control circuits through actuating relays and suspender carried by driver and made for taking electromagnetic radiations from antenna and sending reply signal. Device has high strength housing with mechanical lock. EFFECT: enhanced protection of vehicle against theft by excluding possibility of access of unauthorized person to engine starting control circuit. 2 cl, 3 dwg