[optacon-l] Re: We need your help in tactile display design
- From: "Lori Castner" <loralee.castner@xxxxxxxxxxxxx>
- To: <optacon-l@xxxxxxxxxxxxx>
- Date: Mon, 16 Aug 2010 16:02:17 -0700
Hi, Jim,
I tried three different books and found that the intensity knob was set at
seven or eight to read effectively in each one.
Lori C.
----- Original Message -----
From: "Jim Bliss" <jamescbliss@xxxxxxxxx>
To: <optacon-l@xxxxxxxxxxxxx>
Sent: Monday, August 16, 2010 12:25 PM
Subject: [optacon-l] We need your help in tactile display design
> Optacon Users
> I am working with a group at Zone 24X7 and SRI that has a National Science
> Foundation (NSF) Small Business Innovation Research Grant (SBIR) to
> evaluate
> the feasibility of a totally different technology in tactile displays.
> We
> don't know to what extent this technology will be useful in a new Optacon,
> but if it is, it has the potential of greatly reducing the cost of the
> Optacon array. We are only at the beginning of this research and we would
> like your help in determining the range of tactile stimulator intensity
> needed.
>
> Imagine that the Optacon Intensity knob had a scale from 0 to 10, with 0
> being the current Optacon's minimum intensity and 10 being the maximum
> intensity. Now estimate where along this scale you like to read with the
> Optacon. If you set the knob half way between minimum and maximum, your
> answer would be 5, if you set the knob 80% of the way from minimum to
> maximum, your answer would be 8, and so on. Also it would be useful for
> us
> to know for each of you what level is too intense, and what the minimum
> usable level is.
>
> I would like to you to email your answer back to me to with these three
> numbers:
>
> Minimum useful intensity: ______
>
> The intensity you use most: ______
>
> Maximum useful intensity: ______.
>
> I hope to get 50 or more responses from this listserv. I'll report the
> results of this survey back to the listserv. Thanks for your help.
>
> Jim Bliss
>
>
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