FIELD: transport engineering; car electronic equipment.
SUBSTANCE: proposed device contains sound fragments source and microphone connected by sound channel, noise suppressor unit, microcontroller with control unit, memory unit, analog-to-digital converter, analyzer of amplitude-frequency and time parameters of sound fragment, comparator unit and multicriterional resolver and car electronic protection system coupled with control units of car functional members. Multicriterional resolver includes memory register, multiplier, summer and threshold unit. Proposed device features enlarged operating capabilities providing remote starting of car engine and hi-jacking control using personal electronic devices which can store and reproduce different sound fragments (such as cellular telephone set, electronic alarm clock).
EFFECT: improved protection of car.
5 cl, 3 dwg
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