A device for acoustic warning signals for the attachment to the human arm

摘要

A device (1) for acoustic warning signals for the attachment to the human arm, in particular on the hand, whereby the device (1) a mechanical means (2) for generating and emission of an acoustic signal and a means (3) for fastening to the arm, characterised in that the mechanical means (2) a hand-operated air-filled bellows (4) with at least one integrated buzzer (11) for generating sound by the generated air flow is.