Anti noise accident prevention helmet having mini capsule loudspeaker helmet mounted and when danger detected issuing area evacuation short message

摘要

The anti noise protection helmet has a mini capsule loudspeaker mounted in the helmet. In the case where danger is detected, the wearer is alerted by a short message to leave the area immediately. The anti noise protection helmet has an internally mounted mini capsule loudspeaker and a mini receiver tuned to an authorised high frequency short message alert. The receiver receives the short message alert, which is then transmitted to the user using the mini capsule loudspeaker.