| 摘要 |
PURPOSE: A palm sized portable computer is provided to elaborately move a pointer on a screen of a computer system, for example in a graphic application program. CONSTITUTION: A palm sized portable computer(200) comprises a stylus pen(210), a TSP(Touch Sensitive Panel, 220), a TSP interface(230), a memory(240), a CPU(250), an I/O controller(260) and a serial port(270). The palm sized portable computer has a normal mode for performing a general computer function, and a pointing mode for moving a pointer on a display unit of a computer system(100). The normal node or the pointing mode can be selected by a user pushing a button displayed on the TSP(220) with the stylus pen(210). The serial port(270) is connected to a serial port of the computer system(100) for a data transmission. In the case that the palm sized portable computer is in the pointing mode, the data transmitted via the serial port(270) is a pointing data. The computer system displays the pointer on the display unit of the computer system according to the pointing data transmitted from the palm sized portable computer(200). |
