Input unit and notebook computer with the same

Abstract

An input unit is configured to be assembled to a base of a notebook computer and has a universal-ball cursor controlling device and a pen device. The universal-ball cursor controlling device is disposed at the base and having a stand and a ball. The ball is rotatably disposed at the stand and has a conjoining portion protruding outside the stand. The pen device is detachably connected to the conjoining portion of the ball, and is capable of driving the ball to rotate relative to the stand. The pen device may be implemented as a joystick for controlling video games or be implemented as a control stick for fire control involved in military application. The pen device may be implemented as a stylus, a laser pointer, a recording pen, a writing pen, or any other device shaped as a stick as well.

Dependencies are inferred from the claim text.