Touch sensitive processing apparatus, method and electronic system
First Claim
1. A touch sensitive processing apparatus configured to connect to a touch screen and used to detect at least one external conductive object approaching or touching the touch screen, wherein the touch screen comprises a plurality of first electrodes being parallel to each other and a plurality of second electrodes being parallel to each other, each of the first electrodes intersects with the second electrodes to form a plurality of intersection areas, the touch sensitive processing apparatus comprising:
- a driving circuit, connecting to the first electrodes, respectively;
a sensing circuit, connecting to the second electrodes, respectively; and
a processor, configured to connect to the driving circuit and the sensing circuit, the processor used for;
executing multiple sets of first round mutual capacitive detecting steps, wherein each set of the first round mutual capacitive detecting step further comprises;
having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and
having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step, wherein each of the first round sensing information is corresponding to an intersection of a figurative central line of the N first electrodes and the second electrode.
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Abstract
A touch sensitive processing apparatus includes: a driving circuit for connecting to multiple first electrodes, respectively; a sensing circuit for connecting to multiple second electrodes, respectively; and a processor configured for executing multiple sets of first round mutual capacitive detecting steps. Each set of the first round mutual capacitive detecting step further includes: having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step. Each of the first round sensing information corresponds to an intersection of central line of the N first electrodes and the second electrode.
54 Citations
29 Claims
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1. A touch sensitive processing apparatus configured to connect to a touch screen and used to detect at least one external conductive object approaching or touching the touch screen, wherein the touch screen comprises a plurality of first electrodes being parallel to each other and a plurality of second electrodes being parallel to each other, each of the first electrodes intersects with the second electrodes to form a plurality of intersection areas, the touch sensitive processing apparatus comprising:
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a driving circuit, connecting to the first electrodes, respectively; a sensing circuit, connecting to the second electrodes, respectively; and a processor, configured to connect to the driving circuit and the sensing circuit, the processor used for; executing multiple sets of first round mutual capacitive detecting steps, wherein each set of the first round mutual capacitive detecting step further comprises; having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step, wherein each of the first round sensing information is corresponding to an intersection of a figurative central line of the N first electrodes and the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A touch sensitive processing method adaptive to a touch sensitive processing apparatus configured to connect to a touch screen and used to detect at least one external conductive object approaching or touching the touch screen, wherein the touch screen comprises a plurality of first electrodes being parallel to each other and a plurality of second electrodes being parallel to each other, each of the first electrodes intersects with the second electrodes to form a plurality of intersection areas, the touch sensitive processing method comprising:
executing multiple sets of first round mutual capacitive detecting steps, wherein each set of the first round mutual capacitive detecting step further comprises; having a driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having a sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step, wherein each of the first round sensing information is corresponding to an intersection of a figurative central line of the N first electrodes and the second electrode. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An electronic system used to detect at least one external conductive object approaching or touching a touch screen, comprising:
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the touch screen, comprising a plurality of first electrodes being parallel to each other and a plurality of second electrodes being parallel to each other, each of the first electrodes intersects with the second electrodes to form a plurality of intersection areas; and a touch sensitive processing apparatus connecting to the touch screen, the touch sensitive processing apparatus comprising; a driving circuit, connecting to the first electrodes, respectively; a sensing circuit, connecting to the second electrodes, respectively; and a processor, configured to connect to the driving circuit and the sensing circuit, the processor used for; executing multiple sets of first round mutual capacitive detecting steps, wherein each set of the first round mutual capacitive detecting step further comprises; having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step, wherein each of the first round sensing information is corresponding to an intersection of a figurative central line of the N first electrodes and the second electrode.
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Specification