METHOD FOR LABELING STOLEN CARS AND DEVICE WHICH IMPLEMENTS SAID METHOD Russian patent published in 1997 - IPC

FIELD: security alarm. SUBSTANCE: method involves generation of signals by transmitter and their receiving and indication. Receiver which is located on car is set into guarding mode. When car passes through stationary detection station (at police checkpoint), detector outputs signal which fires stealing indication unit which outputs alarm signal. Corresponding device has signal transmitter, antenna and receiver. Searching field indication unit, stealing indication unit and switch of guarding mode are introduced to accomplish the goal of invention. EFFECT: simplified design, elimination of emitter which litter ether. 2 cl, 4 dwg