FIELD: transport engineering; security systems.
SUBSTANCE: invention relates to signaling device for antitheft systems and it is designed for sound warning. Proposed device has first sound module installed in siren housing for recording and playing back sound messages consisting sounds of siren and voice messages separated from siren sounds by pause. Recording is done from second module provided with recording and playback mode control buttons in form of suspender. Device contains also subsonic signal shaper, photo sensor and electronic switch providing selection of programs of sound messages for day and night. In pause between sound messages, device radiates subsonic signals providing effect of alarm pause near automobile.
EFFECT: improved efficiency of protection of vehicles against unauthorized use.
1 dwg
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