[Lab] Touch sensitive/reactive windows

Andrew O'Malley aomalley at gmail.com
Mon Mar 14 23:10:49 EDT 2011


Thanks for the suggestion.

The other issue I have with an ir+camera solution is that there will
be substructure in the tower which will be holding all the lights
which illuminate the windows, so there will only about a 3 inch margin
between that and the inner walls.

ao.


On Mon, Mar 14, 2011 at 7:02 PM, Mike Baker <mbaker3 at gmail.com> wrote:
> If you're looking at an IR based solution I've been working on a touch table
> using IR lasers. They have the advantage of still working quite well in
> sunlight rooms.
>
> Here are the lasers I use and am quite happy with so far:
> http://aixiz.com/store/product_info.php?cPath=44_27&products_id=67&osCsid=d5b9a3ff99350c797248ca117ed67cfb
>
> The challenge with your idea would be somehow using a camera to capture the
> reflected IR in that small box. I can't think of a solution immediately but
> I'll keep on it. Maybe the use of a chrome ball or extreme fish eye lens on
> the camera to try and capture all sides of the installation at once.
> --
> Mike Baker
>
>
> On Mon, Mar 14, 2011 at 5:43 PM, Andrew Plumb <andrew at plumb.org> wrote:
>>
>> Have a look around for spray-on anti-static ESD coatings.  That might get
>> you the conductivity you need for capacitive sensing over larger surface
>> areas.
>> Andrew.
>>
>> On 2011-03-14, at 5:13 PM, Andrew O'Malley wrote:
>>
>> Ouch, too expensive for my budget considering I have 100+ 5" x 7"
>> windows to deal w/.
>>
>> Thanks for the input everyone, please keep it coming if anything comes to
>> mind.
>>
>> So far my most promising results are using capacitive sense wires near
>> the windows; going to do a full-scale mock-up of my interaction
>> surface this week to confirm.
>>
>> Cheers,
>> ao.
>>
>>
>> On Mon, Mar 14, 2011 at 5:03 PM,  <bentfork at gmail.com> wrote:
>>
>> I've seen transparent conductive glass used for DIY EL screen
>>
>> printing.  I think they used Indium Tin Oxide, aka ITO Glass.
>>
>> The cheapest I could find (in 30 seconds) was
>> http://bayviewoptics.com/id2.html
>>
>> It looks like people have been able to manufacure their own.   I even
>>
>> saw a youtube on  it. http://www.youtube.com/watch?v=OTu4KhL7IOE
>>
>> If you find any cheaper let me know ;)
>>
>> On Mon, Mar 14, 2011 at 3:47 PM,  <lab-request at artengine.ca> wrote:
>>
>> Message: 8
>>
>> Date: Mon, 14 Mar 2011 15:47:21 -0400
>>
>> From: "Andrew O'Malley" <aomalley at gmail.com>
>>
>> Subject: Re: [Lab] Touch sensitive/reactive windows
>>
>> To: Jean-Marc LeBlanc <jeanmarc.leblanc at gmail.com>
>>
>> Hi,
>>
>> Thanks for your ideas/suggestions everyone -- I'm hearing the idea of
>>
>> conductive coatings or conductive plastic a lot, anyone have any leads
>>
>> where I would acquire such things?
>>
>> Thanks again,
>>
>> ao.
>>
>>
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