The present invention discloses a personal handphone system (PHS) handset for children, which comprises a plurality of indicating lamps, a plurality of drawings corresponding to the indicating lamps, a plurality of arrow keys and an enter key for selecting the indicating lamp, a lit indicating lamp being...http://www.google.fr/patents/US20060019725?utm_source=gb-gplus-shareBrevet US20060019725 - Personal handphone system handset for children
