Haptics panel and driving method thereof, and haptics apparatus
US-2024248535-A1 · Jul 25, 2024 · US
US9024908B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9024908-B2 |
| Application number | US-49543109-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 30, 2009 |
| Priority date | Jun 30, 2009 |
| Publication date | May 5, 2015 |
| Grant date | May 5, 2015 |
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Systems are disclosed for an optically clear keyboard that can be applied to a touch-sensitive display screen, for example, while mitigating distortion of the display. An apparatus for use over a touch-sensitive display screen can comprise a plurality of button structures formed of an optically clear material. The buttons are disposed in an optically clear fluid or gel having an index of refraction equivalent to the index of refraction of the button structures. The apparatus comprises an optically clear elastomeric membrane over the fluid, which forms a sealed barrier for the fluid or gel. The volume within the sealed portion of the apparatus contains the fluid and the button structures.
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What is claimed is: 1. An apparatus for use with a touch-sensitive display screen, comprising: one or more button structures formed of an optically clear material, and disposed over the touch-sensitive display screen in an optically clear fluid having an index of refraction substantially equivalent to an index of refraction of at least some of the one or more button structures; a first optically clear elastomeric membrane over the optically clear fluid forming a sealed barrier;…
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