CAPACITANCE SENSOR AND INFORMATION INPUT APPARATUS
First Claim
Patent Images
1. A conductive film comprising:
- an electrode group includinga first electrode,a second electrode, anda third electrode,wherein at least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the electrode.
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Abstract
A capacitance sensor is provided and includes at least one electrode group positioned within a sensor area. The electrode group including a first electrode, a second electrode, and a third electrode. The capacitance sensor also includes a drive section configured to measure capacitances of the first, second and third electrodes, and configured to determine position information of at least one object based on the measured capacitances. At least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the sensor area.
29 Citations
25 Claims
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1. A conductive film comprising:
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an electrode group including a first electrode, a second electrode, and a third electrode, wherein at least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A capacitance sensor comprising:
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at least one electrode group positioned within a sensor area, the electrode group including a first electrode, a second electrode, and a third electrode; and a drive section configured to measure capacitances of the first, second and third electrodes, and configured to determine position information of at least one object based on the measured capacitances, wherein at least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the sensor area. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An information input apparatus comprising:
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a capacitance sensor including at least one electrode group positioned within a sensor area, the electrode group including a first electrode, a second electrode, and a third electrode; a drive section configured to measure capacitances of the first, second and third electrodes, and configured to determine position information of at least one object based on the measured capacitances; and a control section configured to process the position information output from the drive section, wherein at least one of the electrodes includes a portion that both increases and decreases in height along a width direction of the sensor area. - View Dependent Claims (22, 23)
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24. A capacitance sensor comprising:
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at least one electrode group positioned within a sensor area and including a plurality of electrodes, at least one of the electrodes extending at least substantially across a sensor area width of the sensor area; and a drive section configured to measure capacitances of the electrodes and concurrently determine position information for a plurality of objects aligned in a width direction of the sensor area.
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25. A capacitance sensor comprising:
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at least one electrode group configured as a single layer and positioned within a sensor area, the electrode group including a plurality of electrodes, having an electrode group width that is substantially similar to a sensor area width, and having an electrode group length that is less than a sensor area length; and a drive section configured to measure capacitances of the electrodes and concurrently determine position information for a plurality of objects aligned in a width direction of the sensor area.
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Specification