RE: Touch-Pad ESD immunity

2002-01-03 Thread Price, Ed
>-Original Message- >From: John Woodgate [mailto:j...@jmwa.demon.co.uk] >Sent: Wednesday, January 02, 2002 8:34 PM >To: emc-p...@majordomo.ieee.org >Subject: Re: Touch-Pad ESD immunity > > > >I read in !emc-pstc that Gary McInturff >.com> wrote (in >

Re: Touch-Pad ESD immunity

2002-01-03 Thread John Woodgate
I read in !emc-pstc that Gary McInturff wrote (in <917063bab0ddb043af5faa73c7a835d40c0...@windlord.wwp.com >) about 'Touch-Pad ESD immunity', on Wed, 2 Jan 2002: >Do you have denounce circuitry on the input of the touch pad The spell-checker demon strikes again! (;-) -- Regards, John Woodgate

RE: Touch-Pad ESD immunity

2002-01-03 Thread Gary McInturff
Well, one of the less obvious things is what does your system do to detect a true mouse pad contact? Do you have denounce circuitry on the input of the touch pad (or keyboard lines), do you sample a couple of times to see if the input stays there (thumbs are still much slower than ESD