A mobile telephone includes a memory (11) in which both a telephone number and an associated name can be stored. The telephone includes a visual display (8) and a keypad (9) with a plurality of keys (9a) each having a number and several (eg three) alphabet characters associated therewith. In a first...http://www.google.com.hk/patents/US5977887?utm_source=gb-gplus-share專利 US5977887 - Data storage apparatus
