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'non-pic [membrane keypads]'
1996\08\20@091635 by Harrison Cooper

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OK, I have a project that I am looking at, that would be
easier if I used a membrane keypad.  This is a small
production setup, say 50 per year, with several differnet
configurations. Anyone have experiance with any of the
membrance keypad folks?  What I really want is a master
keypad with all configurations, and then perhaps 4 or 5
different overlays for the different configurations.  I have
to justify the cost of doing this, vs the old method of a
set of toggle switches and thumbwheel switches, both in
reliabity and mfg cost of all the point to point wiring.

Comments anyone? You may reply to me directly at spam_OUThcooperTakeThisOuTspames.com

thanks

1996\08\20@093719 by Ken Parkyn

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Harrison Cooper wrote:
>
> OK, I have a project that I am looking at, that would be
> easier if I used a membrane keypad.  This is a small
> production setup, say 50 per year, with several differnet
> configurations. Anyone have experiance with any of the
> membrance keypad folks?  What I really want is a master
> keypad with all configurations, and then perhaps 4 or 5
> different overlays for the different configurations.  I have
> to justify the cost of doing this, vs the old method of a
> set of toggle switches and thumbwheel switches, both in
> reliabity and mfg cost of all the point to point wiring.
>
> Comments anyone? You may reply to me directly at .....hcooperKILLspamspam@spam@es.com
>
> thanks

R.S.COMPONENTS (Mail-Order, outlets all over the place)

FORMAT  PRODUCT NUMBER
4 X 1   130-381
4 X 3   130-397
4 X 4   130-404

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ken Parkyn
PARKYN ELECTRONIC SERVICES
42 Binnalong Street
ROCHEDALE SOUTH,
Queensland, 4123
Australia
Phone:617-3841-5135
email:K.ParkynspamKILLspamsct.gu.edu.au
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1996\08\22@024123 by nigelg

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In message  <.....199608201315.HAA00535KILLspamspam.....vidiot2.corp.es.com> EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU
writes:
> OK, I have a project that I am looking at, that would be
> easier if I used a membrane keypad.  This is a small
> production setup, say 50 per year, with several differnet
> configurations. Anyone have experiance with any of the
> membrance keypad folks?  What I really want is a master
> keypad with all configurations, and then perhaps 4 or 5
> different overlays for the different configurations.  I have
> to justify the cost of doing this, vs the old method of a
> set of toggle switches and thumbwheel switches, both in
> reliabity and mfg cost of all the point to point wiring.

Only comment I have, is how reliable will it be!. I repair TV's etc, the
failure rate of membrane keypads is HUGE!. I've seen some TV's that require
them replacing about once a year or so, this particular TV manufacturer has
sourced the pads from various manufacturers, none seemed any better.

Nigel.

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