DEAD-FRONT USER INTERFACE
First Claim
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1. A capacitive touch switch comprising:
- a transparent insulating panel;
a filtering layer having an opaque color, a transparent icon being defined in the filtering layer;
a transparent substrate including a capacitive electrode, the transparent substrate being tinted to substantially match the opaque color of the filtering layer; and
a light source configured to transmit light through the transparent substrate, the transparent icon, and the transparent insulating panel when energized.
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Abstract
A capacitive touch switch is disclosed which includes a transparent insulating panel, a filtering layer having an opaque color, a transparent icon being defined in the filtering layer, a transparent substrate including a capacitive electrode, the transparent substrate being tinted to substantially match the opaque color of the filtering layer, and a light source configured to transmit light through the transparent substrate, the transparent icon, and the transparent insulating panel when energized. A user interface and a method of manufacturing a capacitive touch switch are also disclosed.
23 Citations
20 Claims
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1. A capacitive touch switch comprising:
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a transparent insulating panel; a filtering layer having an opaque color, a transparent icon being defined in the filtering layer; a transparent substrate including a capacitive electrode, the transparent substrate being tinted to substantially match the opaque color of the filtering layer; and a light source configured to transmit light through the transparent substrate, the transparent icon, and the transparent insulating panel when energized. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of manufacturing a capacitive touch switch, the method comprising:
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aligning (i) an insulating panel having a filtering layer disposed thereon, the filtering layer having an opaque color and defining a transparent icon, and (ii) a transparent substrate tinted to substantially match the opaque color of the filtering layer, the transparent substrate including a capacitive electrode; and securing the transparent substrate adjacent to the filtering layer disposed on the insulating panel. - View Dependent Claims (12, 13, 14, 15)
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16. A user interface, comprising:
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a transparent insulating panel; a filtering layer disposed on the transparent insulating panel, the filtering layer having an opaque color and defining a plurality of transparent icons; a printed circuit board secured to the transparent insulating panel, the printed circuit board having a void formed therein; a transparent substrate including a plurality of capacitive electrodes, the transparent substrate aligned with the void of the printed circuit board and tinted to substantially match the opaque color of the filtering layer; and a plurality of light-emitting diodes soldered to the printed circuit board, each of the light-emitting diodes configured to transmit light through a portion of the transparent substrate, one of the plurality of transparent icons, and a portion of the transparent insulating panel when energized. - View Dependent Claims (17, 18, 19, 20)
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Specification