Patent ID: 9285916
Filing Date: 2016-03-15
CPC Classification: G06F

Claim Text:
1. A touch point detecting circuit, comprising: a plurality of mutually inductive units arranged in an array, wherein each mutually inductive unit comprises a first coil and a second coil which are mutually coupled inductors, wherein the first coil of each mutually inductive unit in a same row is electrically connected to an identical first signal line, and the second coil of each mutually inductive unit in a same column is electrically connected to an identical second signal line, wherein each first signal line is electrically connected to an input terminal of a touch scanning signal, and different first signal lines are electrically connected to different input terminals respectively; each second signal line is electrically connected to an output terminal of the touch scanning signal, and different second signal lines are electrically connected to different output terminals respectively; or each first signal line is electrically connected to an output terminal of a touch scanning signal, and different first signal lines are electrically connected to different output terminals respectively; each second signal line is electrically connected to an input terminal of the touch scanning signal, and different second signal lines are electrically connected to different input terminals respectively.