| 摘要 |
<p>A hand-held device for use in displaying stored information to a user, comprising a main body (14) having a display screen (24) and a reception guide (12) for receiving any selected one of a plurality of dedicated cartridges (10). The cartridge (10) carries an array of keys (16), actuation of which by a user causes information stored in that cartridge to be transferred to the main body (14) and displayed by the screen (24).</p> |
