The present invention provides a novel multifunctional environment-friendly baby pushchair, characterized in that: the baby pushchair herein is provided with an ultrasonic mosquito-repelling module which includes a micro controller, an electro frequency conversion circuit, an ultrasonic signal generator and a tweeter, wherein the ultrasonic signal generator has at least one group of acoustic wave frequency ranges. The baby pushchair herein aims to prevent baby in the pushchair from being troubled by mosquitoes and insects by utilizing ultrasonic waves in repelling mosquitoes and insects.
Novel multifunctional environment-friendly baby pushchair
2015-08-26
Patent
Elektronische Ressource
Englisch