> > > > The use of the same area for slide and "click" touching could be prone to > > click mistakes by accident. I believe they should be separate zones. > > Complete separation would eat a lot of precious space and possibly > even need more conannts. But how about the concept I posted last > year ? There's just one sensor but different areas of it have > different roles: > > http://downloads.qi-hardware.com/people/werner/anelok/tmp/touch.pdf > > More details: > > > http://lists.en.qi-hardware.com/pipermail/discussion/2013-December/010426.html
> The bit about "one variable" was wrong, as I now realize. There are > good reasons for having a little apparent redundancy. > Yeah, I remember that. For me it the hard part seem to determine a good threshold value to ignore or not the taps/drags. Seems more like a software filtering problem than a hardware one. Perhaps using the longest edged of anelok for the slider could help with this also :P > > Freescale have a nice text on sensor design that also treats some > real-life issues. Multi-channel slider designs are shown on pages > 19 and 20: > > http://cache.freescale.com/files/sensors/doc/app_note/AN3863.pdf > > Surprisingly, they don't mention the double triangle design they > use on their FRDM-KL2xZ boards. > Ey, they also have the rotary design, my favourite! Is a probed design (see apple stuff) and also can be used as directional pad. The only concern would be the size to be easily operated. Anyway, the rotary design from TI is think is better: http://imgur.com/yR3vvSJ (document http://www.ti.com/lit/ug/slau337b/slau337b.pdf).
_______________________________________________ Qi Hardware Discussion List Mail to list (members only): [email protected] Subscribe or Unsubscribe: http://lists.en.qi-hardware.com/mailman/listinfo/discussion
