Patent ID: 9344664
Filing Date: 2016-05-17
CPC Classification: G06F,G09G,H04N

Claim Text:
1. A control method of plasma TV, the method comprising the steps of: configuring all or part of the pixel points of a plasma TV screen to transmit a light signal carrying pixel position information, the pixel position information including a time point of screen-updating synchronizing signal, a time point of updating a pixel residing line and a time point of updating a pixel residing column; contacting the screen with a touch control pen to receive the light signal, the touch control pen contacting the screen at a contact point; calculating pixel coordinate values of the contact point on the screen according to the pixel position information in the light signal; and transmitting the calculated pixel coordinate values to the plasma TV via a short-range wireless transmission; conducting a predetermined operation or displaying a drawing in the corresponding pixel position with the plasma TV according to the pixel coordinate values received by the plasma TV: wherein: the pixel coordinate values of the contact point on the screen are calculated according to the steps of: