CAPACITIVE MATRIX TOUCH SENSOR
First Claim
Patent Images
1. A device comprising:
- a substrate;
a top touch panel;
a conductive compressible electrode supported by the substrate and extending from the substrate to the top touch panel;
a second electrode supported by the substrate and arranged to form an electric field coupling with the conductive compressible electrode.
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Abstract
A device includes a substrate, a top touch panel, and an electrode supported by the substrate including a conductive compressible material extending from the substrate to the top touch panel. Another electrode is supported by the substrate and arranged to form an electric field coupling with the electrode including the compressible material. A touch sensitive region is transferred from the substrate to the top touch panel by the compressible material.
36 Citations
22 Claims
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1. A device comprising:
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a substrate; a top touch panel; a conductive compressible electrode supported by the substrate and extending from the substrate to the top touch panel; a second electrode supported by the substrate and arranged to form an electric field coupling with the conductive compressible electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device comprising:
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a substrate; a top touch panel; a plurality of first electrodes supported by the substrate, each first electrode including an electrically conducting spring extending from the substrate, to the top touch panel such that the springs are compressed; a plurality of second electrodes supported by the substrate and arranged to form an electric field coupling with respective first electrodes. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method comprising:
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forming a first and a second electrode supported on a substrate such that they form an electric field coupling, wherein at least one of the first and second electrodes is formed of a compressible conductive material; and compressing the compressible conductive material with a top touch panel to form a touch area on the top touch panel proximate a compressed region of the compressible material in contact with the top touch panel. - View Dependent Claims (22)
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Specification