Touch sensitive processing method and apparatus and touch system

A touch sensitive processing apparatus applicable to a touch panel which sequentially includes a layer of third electrodes, an elastic dielectric layer and at least one layer of touch electrodes, wherein the layer of third electrodes includes multiple parallel third electrodes, the at least one layer of touch electrodes includes multiple first electrodes in parallel to a first axis and multiple second electrodes in parallel to a second axis, each of the first electrode intersects with the second electrodes, wherein the touch sensitive apparatus comprising:

• an interconnection network module, configured to connect to one or more of the first electrodes, the second electrodes, first ends and second ends of the third electrodes;
• a driving circuit module, configured to transmit driving signals via the interconnection network module;
• a sensing circuit module, configured to sense induced driving signals via the interconnection network module;
• a processor module, coupled to the interconnection network module, the driving circuit module and the sensing circuit module, configured to execute instructions stored in non-volatile memory to realize following steps:
• have the driving circuit module and the sensing circuit module through the interconnection network performing self-capacitance sensing via the third electrodes in order to get a first one-dimensional array composing sensing information corresponding to each of the first ends of the third electrodes, and have the driving circuit module and the sensing circuit module through the interconnection network performing self-capacitance sensing via the third electrodes in order to get a second one-dimensional array composing sensing information corresponding to each of the second ends of the third electrodes;
• detecting a first approximating event corresponding to a first conductive object according to the first one-dimensional array and the second one-dimensional array, wherein a distance between the layer of third electrodes and the first conductive object is less than a distance between the layer of touch electrodes and first conductive object;
• and
• when the first approximating event is detected, performing following steps:
• have the driving circuit module and the sensing circuit module through the interconnection network performing mutual-capacitance sensing via the first electrodes and the second electrodes in order to get a two-dimensional array;
• detecting a first touching event corresponding to the first external conductive object according to the two-dimensional array;
• and
• reporting the first approximating event to a host when the first touching event is not detected.

A touch system, comprising:

• a touch panel, which sequentially includes a layer of third electrodes, an elastic dielectric layer and at least one layer of touch electrodes, wherein the layer of third electrodes includes multiple parallel third electrodes, the at least one layer of touch electrodes includes multiple first electrodes in parallel to a first axis and multiple second electrodes in parallel to a second axis, each of the first electrode intersects with the second electrodes;
• and
• a touch sensitive apparatus comprising:
• an interconnection network module, configured to connect to one or more of the first electrodes, the second electrodes, first ends and second ends of the third electrodes;
• a driving circuit module, configured to transmit driving signals via the interconnection network module;
• a sensing circuit module, configured to sense induced driving signals via the interconnection network module;
• a processor module, coupled to the interconnection network module, the driving circuit module and the sensing circuit module, configured to execute instructions stored in non-volatile memory to realize following steps:
• have the driving circuit module and the sensing circuit module through the interconnection network performing self-capacitance sensing via the third electrodes in order to get a first one-dimensional array composing sensing information corresponding to each of the first ends of the third electrodes, and have the driving circuit module and the sensing circuit module through the interconnection network performing self-capacitance sensing via the third electrodes in order to get a second one-dimensional array composing sensing information corresponding to each of the second ends of the third electrodes;
• detecting a first approximating event corresponding to a first conductive object according to the first one-dimensional array and the second one-dimensional array, wherein a distance between the layer of third electrodes and the first conductive object is less than a distance between the layer of touch electrodes and first conductive object;
• and
• when the first approximating event is detected, performing following steps:
• have the driving circuit module and the sensing circuit module through the interconnection network performing mutual-capacitance sensing via the first electrodes and the second electrodes in order to get a two-dimensional array;
• detecting a first touching event corresponding to the first external conductive object according to the two-dimensional array;
• and
• reporting the first approximating event to a host when the first touching event is not detected.