Structure of the operation interfaces for a mobile phone / PDA

摘要

A structure of the operation interfaces on mobile phones is disclosed. Two operation interfaces that can be alternatively used are designed on a mobile phone to provide an appropriate human-machine operation interface. A flappable cover is provided on the mobile phone. When the cover is closed, its exposed surface has a dialing keypad with keys for dialing and relevant communication functions. The other side of the cover is installed with character input keyboard for word or character input. Along with a large display screen for manual writing input, a user can select an appropriate interface from them according to his needs. The display could have a touch sreen property. The cover is foldable connected via a hinge to the main body of the phone. <IMAGE>