METHOD, DEVICE AND COMPUTER-READABLE RECORDING MEDIUM FOR SENSING TOUCH ON TOUCH PANEL
First Claim
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1. A method for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method comprising:
- applying parallelly sensing signals having mutually different frequencies to at least two out of a plurality of the drive lines; and
separating only a signal having a specific frequency from signals outputted from the sensing lines.
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Abstract
A method for sensing touch on a touch panel including a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method including: applying parallelly sensing signals having mutually different frequencies to at least two out of a plurality of the drive lines; and separating only a signal having a specific frequency from signals outputted from the sensing line.
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Citations
20 Claims
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1. A method for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method comprising:
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applying parallelly sensing signals having mutually different frequencies to at least two out of a plurality of the drive lines; and separating only a signal having a specific frequency from signals outputted from the sensing lines. - View Dependent Claims (2, 3)
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4. A method for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method comprising:
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applying parallelly sensing signals having the same frequency and mutually different phase delays to at least two out of a plurality of the drive lines; and separating only a signal having a specific frequency and a specific phase from signals outputted from the sensing lines. - View Dependent Claims (5, 6, 7)
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8. A method for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method comprising:
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applying sensing signals through a combination of two or more signals having frequencies and phases, either or both of which are mutually different from each other to at least one out of a plurality of the drive lines; and separating at least one signal from signals outputted from the sensing lines. - View Dependent Claims (9, 10)
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11. A device for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the device comprising:
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a sensing signal generator which applies parallelly sensing signals having mutually different frequencies to at least two out of a plurality of the drive lines; and a touch determination unit which separates only a signal having a specific frequency from signals outputted from the sensing lines and determines the occurrence and location of the touch. - View Dependent Claims (12, 13)
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14. A device for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the device comprising:
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a sensing signal generator which applies parallelly sensing signals having the same frequency and mutually different phase delays to at least two out of a plurality of the drive lines; and a touch determination unit which separates only a signal having a specific frequency and a specific phase from signals outputted from the sensing lines and determines the occurrence and location of the touch. - View Dependent Claims (15, 16, 17)
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18. A device for sensing touch on a touch panel comprising a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the device comprising:
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a sensing signal generator which applies sensing signals through a combination of two or more signals having frequencies and phases, either or both of which are mutually different from each other to at least one out of a plurality of the drive lines; and a touch determination unit which separates at least one signal from signals outputted from the sensing lines and determines the occurrence and location of the touch. - View Dependent Claims (19, 20)
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Specification