Touch-Screens and RT

[David McFarlane]

At 11/7/2008 12:43 PM Friday, Dr. Dave Hairston wrote:
>Regarding USB, though, that is correct, there is (potentially) a
>timing concern there. The native poll rate (in XP and Vista) of the
>USB bus is only about 120 Hz - 8 ms resolution. However - this can be
>fixed.

To lend support to this, here is a link for a USB keyboard with 
claims of sub-millisecond 
resolution:  http://www.empirisoft.com/directinkb.aspx .  They say it 
does not require any additional drivers, so I do not know how they do 
this or if it really works.

-- David McFarlane, Professional Faultfinder


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