| 摘要 |
A computer system comprising, a keypad operated by a pointer means, the pointer means including means to uniquely identify itself, a display, the keypad including means to change the information displayed on the display in accordance with the position of the pointer means with respect to the keypad, the computer system including means to pass signals to a computer, and the computer including means to identify the particular pointer means, and means to identify which key has been selected, whereby to initiate an operation in the computer system. <Figure 2> |
