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+--- Thread: HP Calculator Keys' Tactile Feedback (/thread-7758.html)
HP Calculator Keys' Tactile Feedback - piper - 02-11-2017 03:58 PM
Is there somewhere I can find out all about the 'old' key switches that have that great tactile feedback (is it a rocker switch or something)?
I did a web search as well as a search of this HP Museum forum but didn't find anything about how they actually work.
Regards,
Paul
My HPs: 11c (my current calculator; have bought 3 of them), 41cv (it disappeared somewhere along the way), 28s (old and busted), 67 (also MIA)
RE: HP Calculator Keys' Tactile Feedback - AndiGer - 02-12-2017 08:53 AM
Have you seen this?
http://www.keesvandersanden.nl/calculators/patenten/US3941953_Keyboard_having_switches_with.pdf
There is more HP patents related material on Kees' homepage:
http://www.keesvandersanden.nl/calculators/patents.php
Andi
RE: HP Calculator Keys' Tactile Feedback - piper - 02-12-2017 10:21 PM
Excellent, thank you!
RE: HP Calculator Keys' Tactile Feedback - EugeneNine - 02-25-2017 06:45 PM
I'm wondering if 3d printers have gotten the resolution small enough to where we could print individual keys like the older calculators. There are some now that can do multiple colors.