Patent ID: 8928608
Filing Date: 2015-01-06
Classification: G06F

Abstract:
1. A touch system, comprising: a touch panel; a main touch sensing apparatus adapted to sense a position of a touch point on the touch panel by a touch object at different directions and output a first sensed signal; and an infrared pair tube array disposed on an edge of the touch panel, adapted to sense the position of the touch point at an extending direction of the infrared pair tube array and output a second sensed signal; a first signal processing module connected to the main touch sensing apparatus, adapted to process the first sensed signal from the main touch sensing apparatus to determine preliminary two-dimensional position information of the touch point on the touch panel; a second signal processing module connected to the infrared pair tube array, adapted to determine one-dimensional position information of the touch point on the touch panel at the extending direction of the infrared pair tube array according to the second sensed signal; and a main controller connected to the first and second signal processing modules, adapted to determine the position of the touch point by using the one-dimensional position information from the second signal processing module and the preliminary two-dimensional position information from the first signal processing module.