Flexible keyboard
First Claim
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1. A flexible data input device, comprising:
- a first textile layer; and
a second textile layer,said first and second textile layers being arranged a certain distance apart from each other by a spacer, said spacer including openings that define active areas of the data input device, wherein said first and second textile layers are electrically conductive in the active areas, and wherein a material exhibiting pressure-variable resistance is applied in the active areas on one of said first and second textile layers, wherein the material exhibiting pressure-variable resistance is in electrical contact with the other one of said first and second textile layers when a pressure greater than a certain value is applied to the active areas and is spaced apart from the other one of said first and second textile layers when a pressure less than the certain value is applied to the active areas.
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Abstract
A flexible data input device including a first textile layer and a second textile layer, which are arranged spaced apart from each other by a spacer. The spacer includes apertures delimiting the active zones of the data input device. The two textile layers are electroconductive in the active zones and a material with pressure-variable resistance is applied in the active zones, at least on one of the textile layers.
128 Citations
14 Claims
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1. A flexible data input device, comprising:
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a first textile layer; and a second textile layer, said first and second textile layers being arranged a certain distance apart from each other by a spacer, said spacer including openings that define active areas of the data input device, wherein said first and second textile layers are electrically conductive in the active areas, and wherein a material exhibiting pressure-variable resistance is applied in the active areas on one of said first and second textile layers, wherein the material exhibiting pressure-variable resistance is in electrical contact with the other one of said first and second textile layers when a pressure greater than a certain value is applied to the active areas and is spaced apart from the other one of said first and second textile layers when a pressure less than the certain value is applied to the active areas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A flexible data input device, comprising:
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a first textile layer; and a second textile layer, said first and second textile layers being arranged a certain distance apart from each other by a spacer, said spacer including openings that define active areas of the data input device, wherein said first and second textile layers are electrically conductive in the active areas, wherein the material exhibiting pressure-variable resistance is applied to each of said first and second textile layers in the active areas, and wherein the materials exhibiting pressure-variable resistance, applied to each of said first and second textile layers in the active areas, are in mutual electrical contact when a pressure greater than a certain value is applied to the active areas and are mutually spaced apart when a pressure less than the certain value is applied to the active areas.
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Specification