[Blindmath] Tactile Displays?

[tribble]

He/she probably referred to the optacon or optacon II -- neither of which is 
still in production, although there are still places that repair the ones 
still in use.
I tried using one on a trial basis back in college, but not being a 
proficient braille reader, i found it hard to identify the patterns -- but 
those who use the optacon heavily think they are fantastic.
HTH
--le

----- Original Message ----- 
From: "Roopakshi Pathania" <r_akshi_tgk at yahoo.com>
To: <blindmath at nfbnet.org>
Sent: Thursday, January 15, 2009 11:21 AM
Subject: [Blindmath] Tactile Displays?




Hi all,

The recent discussion on the list regarding the accessibility of Mathematica 
reminded me of the time when I was personally researching the accessibility 
of same software. I came across an article about a blind physicist. I 
realise that there are quite afew around these days, but this particular 
physicist caught my attention. The article mentions a device used by him 
that consists of a camera attached to a tactile display with vibrating pins.
My questions is: how does this device operates? Also, is this product in the 
market or just a personal invention?
The article can be found here.
http://www.wolfram.com/news/strickland.html

Regards
Roopakshi from India




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