Touch switch with thermo-chromatic layers
First Claim
Patent Images
1. An input device comprising:
- a reversible chromatic layer having at least two coatings, each of said at least two coatings exhibiting color change in response to temperature change; and
a sheet-type input portion laminated on said reversible chromatic layer and activates ON operation upon being pressed, wherein said reversible chromatic layer is located on a rear surface of said sheet-type switch portion and an input operation is effected by direct contact with said sheet-type switch portion.
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Abstract
An input device and an electronic apparatus using such an input device capable of providing visual amusement at the time of operating thereof and allowing the down sizing and thinning are provided. The input device has a reversible chromatic layer exhibiting color change in response to temperature change, and a sheet-type input portion laminated on the reversible chromatic layer and activates ON operation upon being pressed.
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Citations
13 Claims
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1. An input device comprising:
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a reversible chromatic layer having at least two coatings, each of said at least two coatings exhibiting color change in response to temperature change; and
a sheet-type input portion laminated on said reversible chromatic layer and activates ON operation upon being pressed, wherein said reversible chromatic layer is located on a rear surface of said sheet-type switch portion and an input operation is effected by direct contact with said sheet-type switch portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic apparatus having an input device, wherein said input device comprising:
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a reversible chromatic layer having at least two coatings, each of said at least two coatings exhibiting color change in response to temperature change; and
a sheet-type input portion stacked on said reversible chromatic layer and activates ON operation upon being pressed, wherein;
said sheet-type input portion is exposed outward within a window provided to a housing of said electronic apparatus, said reversible chromatic layer is located on a rear surface of said sheet-type input portion, and an input operation is effected by direct contact with said sheet-type switch portion. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification