Patent ID: 9582108
Date: 2017-02-28
CPC Classifications: G06F

Claim:
1. A touch input device, comprising: a planar location sensing board sensing a first electrical variation of different locations in the directions parallel to the planar location sensing board due to an object approaching or touching the planar location sensing board; a depth sensing layer disposed below the planar location sensing board and separated by a distance from the planar location sensing board, the depth sensing layer sensing a second electrical variation corresponding to a degree in which the object presses the planar location sensing board; a first interpretation unit electrically connected to the planar location sensing board, the first interpretation unit determining a location in the directions parallel to the planar location sensing board which the object approaches or touches the planar location sensing board according to the first electrical variation, and generating a corresponding first signal; a second interpretation unit electrically connected to the depth sensing layer, the second interpretation unit determining the degree the object presses the planar location sensing board according to the second electrical variation, and generating a corresponding second signal; and a processing unit determining a three-dimensional touch location of the object according to the first signal and the second signal.