Or invert the problem, instead of buttons, make holes. The touch sensitive surface is exposed through the holes, and you can feel which hole you are poking at. A relatively stiff transparent cover with holes in is easy to make (techshop.ws laser cutter :-) and clip onto the face of the phone.
Adrian On 6/5/07, Joe Friedrichsen <[EMAIL PROTECTED]> wrote:
On 6/5/07, Bradley Hook <[EMAIL PROTECTED]> wrote: > Steven Milburn wrote: > > Personally, I'd like to see a touchscreen with some type of ability to > > raise > > dimples at any point under software control. Kind of like a braille reader > > on acid. If only such a thing existed. (does it?) > > One word: expensive. > Refreshable Braille displays do exist, and even the cheapest functional > ones make the current cost of the Neo look like pocket change. > Incorporating this sort of technology into the Neo would not only be > expensive, but the mechanics of these things require a lot of > maintenance, not a fun thing to have in a phone. While refreshable Braille on a touch screen would be the final goal for accessibility, I think the OP was talking about mimicking buttons, which I imagine wouldn't need to be nearly as precise. One 'bump' per finger-space requires a much smaller resolution than six bumps per finger-space (as is used in Braille). Mechanical movement is still the challenge, but reducing the actuators by a factor of 6 is a big help. Joe _______________________________________________ OpenMoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community
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