The invention relates to a method for inputting information into a mobile radio telephone (1) via its input data channel by appropriately moving a motion detector (10) which belongs to the radio telephone (1) and senses this movement. In this arrangement, the mobile radio telephone (1) can be constructed...http://www.google.com.tw/patents/US20020065104?utm_source=gb-gplus-share專利 US20020065104 - METHOD FOR INPUTTING INFORMATION TO A MOBILE RADIOTELEPHONE