h a l f b a k e r y"It would work, if you can find alternatives to each of the steps involved in this process."
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Have anybody considered/tested others ways of displaying Braille?
E.g.
1. use lots of tiny heat emitter in place of dots
2. use heat/electrically deformable material(e.g. nitinol coil) to create the bump?
3. use tiny air valve to inflate little dots
//I'm sure there is more, add your ideas
on the comments and i shall add it to this. (responding to —ldischler: Your suggestions will not be deleted, and your annotation won't be deleted. I just want to encourage community contribution to people who will be developing these things)
Use Static Charge
Braille_20display_2...g_20static_20charge
[MisterQED, Jun 03 2010]
http://en.wikipedia...ble_Braille_display
[goldbb, Jun 07 2010]
The NIST Braille Wheel
http://www.itl.nist...e_reader-May04.html
[goldbb, Jun 07 2010]
[link]
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//I'm sure there is more, add your ideas on the comments and i shall add it to this.// |
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And once you incorporate the annotated ideas, you can delete the annotations. Good plan! ;) |
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lol don't worry, I won't! geeze chill! |
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There are already Braille transcribers, which consist of an
array of pins driven by solenoids, in a little cluster. They can
display Braille characters. |
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However these display are pretty expensive, and is also pretty large. |
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There has got to be alternative ways to do this, that is either cheaper, or smaller/compact, or both |
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The basic braille transponder is pretty small and cheap - it's
basically the size of a die. But yes, interesting to consider
other options. |
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What if the Braille weren't exactly bumps or dimples but were a definite change in texture or somesuch? I'm thinking some kind of electrostatic or nitinol-like carpet that sticks straight out under charge but flattens smooth with none. |
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[RayfordSteele] kinda like a kindle for the blind? |
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Actually that would be pretty cool. |
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I don't know where I read it but someone somewhere
describes the realistic possibility that a blind
person could read the words off the pages of a book just
by detecting the differences in heat radiation hitting his
forehead given by the black ink. |
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Only if you put a headline under the grill and then pressed it
to your forehead. The words "bollocks" and "focus" spring to
mind. |
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I suppose there's always the possibility of selectively
blowing through little airholes, like on an air-hockey
table but much smaller in size, to inflate / deflate
bumps or dimples as you scan across. |
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But that sounds mechanically complicated. Better
would be a electromagnetic dimple system of some
type. |
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Was starting to post an anno, but spun a different idea. (link) |
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According to Wikipedia, two groups, Leuven University in Belgium, and NIST, are developing rotating-wheel Braille displays, which would be smaller and simpler, and (once in production) cheaper, than conventional displays. |
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