On 14 April 2016 at 00:16, Jerry Leichter <leich...@lrw.com> wrote: >>> Yes, make it significantly smaller than the current form factor. >> >> Ah. OK, well, that is certainly doable, though how small you can make it is >> ultimately limited by the size of the display. How small do you want it, >> and how much are you willing to pay? > I wonder if one could get rid of the display per se and add some kind of MEMS > steerable laser to it. The output would be projected onto some nearby > surface. This could be physically much smaller. > > People have built "virtual keyboards" using this idea- here's a random one: > http://www.amazon.com/AGS-Wireless-Projection-Bluetooth-Smartphone/dp/B00MR26TUO/ref=sr_1_1?ie=UTF8&qid=1460589277&sr=8-1&keywords=laser+projector+keyboard
Oh no they haven't - that's simply projecting a static image, its not steerable. _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography
