Patent ID: 9465478
Filing Date: 2016-10-11
CPC Classification: G06F

Claim Text:
1. A projected capacitive touch panel architecture, comprising a sensor; a touch control integrated circuit; a sensing bus; a driving bus; said touch control integrated circuit comprising a sensing IC, a driving IC, and a micro-programmed control unit (MCU); said sensor comprising a plurality of sensing electrodes, and a plurality of driving electrodes; said driving electrodes comprises a selected driving electrode; said selected driving electrode being selected by said micro-programmed control unit (MCU) from said driving electrodes; two of said driving electrodes adjacent to said selected driving electrode being selected by said micro-programmed control unit (MCU) from said driving electrodes; said plurality of driving electrodes parallel to each other; said plurality of sensing electrodes parallel to each other; said plurality of driving electrodes and said plurality of sensing electrodes are vertical to each other; a quantity of said sensing electrodes being N; a quantity of said driving electrodes being M+2; said micro-programmed control unit (MCU) select said selected driving electrode from a second driving electrode to a second from the last driving electrode cyclically; said micro-programmed control unit (MCU) select M of said driving electrodes within one cycle as selected driving electrode; said driving IC comprising an AC signal generator, said AC signal generator inputs square waveform from said micro-programmed control unit (MCU), and said AC signal generator outputs voltage no greater than 5V; said sensing bus connecting said sensing IC to said sensing electrodes; said driving bus connecting said driving IC to said driving electrodes; said driving electrodes being high resistance conductive material; said selected driving electrode being connected to said AC signal generator by said driving bus; two driving electrodes adjacent to said selected driving electrode being connected to said AC signal generator by said driving bus; and driving electrodes not being connected to said AC signal generator being connected to a fixed DC level.