[Art_beyond_sight_theory_and_research] (no subject)

John Kennedy kennedy at utsc.utoronto.ca
Fri Feb 19 14:25:55 UTC 2010

Good point Lisa.

> Hi,
> Articles about hand held a Braille ebook.  So far it seems the screen is
> set up for Braille cells - that means it will also be able to take
> graphics.
> Would be nice if it has the possibility to for having the cells closer  -
> or letting the spaces between the cells also include dots for more dots
> resolution for  graphics.
> Regards,
> Lisa
> Braille e-reader concept can't be far from reality
> The technology's already
> here<http://www.engadget.com/2009/03/31/researchers-develop-braille-for-vibrating-touchscreen/>,
> we just need a venture capital firm and a determined entrepreneur to make
> it happen. A foursome of designers -- Seon-Keun Park, Byung-Min Woo,
> Sun-Hye Woo and Jin-Sun Park -- have banded together to create the above
> pictured concept, an e-reader for those with limited or no vision. Their
> Braille E-Book concept theoretically relies on electroactive polymers in
> order to change the surface's shape as pages are turned, and while we
> fully expect the battery life to suffer due to all the necessary
> commotion, it's definitely a start that needs to happen.
> http://www.engadget.com/2009/04/20/braille-e-reader-concept-cant-be-far-from-reality/
> excerpt
> Vibrating touch screen puts Braille at the fingertips
> TOUCH-SCREEN devices like the iPhone are great when you can see them, but
> not much good if you are blind. Now a new way of presenting Braille
> characters on a mobile device could be the first step towards a
> Braille-ready touch-screen phone.
> In Braille, letters are encoded using a two-by-three matrix in which each
> character is represented by a different configuration of raised and absent
> dots at the six locations. To display these dots on a touch-screen device,
> Jussi Rantala of the University of Tampere in Finland and colleagues used
> a Nokia 770 Internet Tablet, which has a piezoelectric material built into
> the touch screen that vibrates when an electric signal is applied to it.
> The team installed software that represents a raised dot as a single pulse
> of intense vibration, and an absent dot as a longer vibration made up of
> several weaker pulses (see diagram).
> http://www.newscientist.com/article/mg20127015.700-vibrating-touch-screen-puts-braille-at-the-fingertips.html?DCMP=OTC-rss&nsref=online-news
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John M Kennedy FRSC
University Professor
Professor of Psychology
University of Toronto
1265 Military Trail
Toronto ON M1C1A4

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