Moisture deflector for capacitive NFI touch screens for use with bezels of conductive material
First Claim
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1. An apparatus, comprising:
- a non-conductive barrier configured for attachment to a display unit, the display unit including a capacitive touch screen and a bezel at least partially surrounding the capacitive touch screen, the non-conductive barrier being sufficient to form a discontinuity in a stream of liquid flowing between the capacitive touch screen and the bezel.
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Abstract
A non-conductive barrier between a touch screen and a conductive bezel is described. The non-conductive barrier attaches to a capacitive touch screen and forms a lip over a grounded bezel. The non-conductive barrier is constructed of a material and dimension sufficient to prevent liquid streaming down the touch screen from electrically coupling an active area of the touch screen to the grounded bezel.
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Citations
21 Claims
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1. An apparatus, comprising:
a non-conductive barrier configured for attachment to a display unit, the display unit including a capacitive touch screen and a bezel at least partially surrounding the capacitive touch screen, the non-conductive barrier being sufficient to form a discontinuity in a stream of liquid flowing between the capacitive touch screen and the bezel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A touch sensitive display unit, comprising:
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a capacitive touch screen having an active portion and an inactive portion;
a grounded bezel at least partially surrounding the touch screen; and
a non-conductive barrier positioned to separate the capacitive touch screen from the grounded bezel such that a liquid streaming down the touch sensitive display unit does not form a conductive path coupling the active portion of the capacitive touch screen to the grounded bezel. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method for reducing errors in a touch sensitive display unit including a capacitive touch screen and a bezel at least partially surrounding the capacitive touch screen, the method comprising:
providing a non-conductive barrier configured for attachment to the display unit, the non-conductive barrier constructed to extend outwardly from the touch screen and to form a lip over the bezel a sufficient distance to cause a discontinuity in a stream of liquid flowing between the capacitive touch screen and the bezel. - View Dependent Claims (19, 20, 21)
Specification