| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable terminal system that can make display oversize, can lengthen operation time, and can separate a portable terminal body from a display unit. SOLUTION: The display of a portable terminal can be removed, and further an oversize display unit can be fitted. A secondary battery is mounted to the removable display unit, and power supplies to a body and the display unit are made independent for improving the operation time in the system. And a radio communication function is added to the display unit, and the portable terminal body is separated from the display unit for operation. COPYRIGHT: (C)2005,JPO&NCIPI |
