PUCK-TYPE POINTING APPARATUS, POINTING SYSTEM, AND POINTING METHOD

摘要

Provided are a puck-type pointing device, a pointing system including the same, and a pointing method thereof. The puck-type pointing device includes a movement detection unit detecting information regarding touch and movement of a puck by a touch object and outputting a movement detection signal, a first signal processing unit receiving the movement detection signal, removing noise, and outputting a first puck movement signal after a first period of time, a second signal processing unit receiving the movement detection signal, removing noise, and outputting a second puck movement signal after a second period of time which is shorter than the first period of time, and a puck movement signal transmitting unit transmitting or cutting off the first puck movement signal according to the movement information in response to the second puck movement signal.