ANTITHEFT DEVICE Russian patent published in 1994 - IPC

FIELD: automotive industry; devices to prevent unauthorized use or hijacking of vehicles. SUBSTANCE: device has storage battery 1, ignition switch 2, ignition coil 3, remote control switch 4, limiting resistor 5, light-emitting diode indicator 6, hermetically sealed reed switch 7, sound alarm 8, protective switches 9 - 12, of hood, trunk, doors and glasses, pendulum switch 13 and switch 14. Hermetically-sealed reed switch 7 can be arranged behind body plastic members or behind glass inside car. Device has two operating duties: car operation duty and protection duty. Alarm is activated if unauthorized attempt is made to break open a door, hood or glass by connection of minus terminal of sound alarm 8 to car frame through switches 9 - 13. EFFECT: enhanced reliability. 3 cl, 1 dwg