发明名称 Keyboard with direction controller
摘要 The present invention relates to a keyboard with a direction controller, the direction controller setting on a proper position on the keyboard. In the keyboard, there is a sensor close to the direction controller to detect the direction and movement of the controller and then convert the direction and movement of the controller into the changing of the position of the cursor on the screen. So that, the keyboard has the mouse's operation function on position movement.
申请公布号 US2003002903(A1) 申请公布日期 2003.01.02
申请号 US20010892497 申请日期 2001.06.28
申请人 LI LI-LING 发明人 LI LI-LING
分类号 G06F3/02;(IPC1-7):B41J5/08 主分类号 G06F3/02
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