Quote:
|
Originally Posted by nekokami
Why does SAW (surface acoustic wave) make a difference in tactile feedback? Granted it would be more durable....
|
SAW uses piezoelectric transducers. If you run them backwards, in laymans' terms, you can turn the panel into a speaker, or induce a vibration you can feel with your finger. It's not nearly that simple but that's the principle.
On the piano topic, I saw, somewhere, a virtual piano version of the virtual keyboard but don't think it was for sale. It looked more like a virtual product. I'm trying to imagine how the virtual keyboard would figure out how hard I mean to strike the key. The funny thing about the VLK is it would work just as well without the laser. I could trace the projected keyboard with a pencil on a sheet of paper and tape up the projector, which is there so
I know where it thinks the keys are.
Edit----
Oh, by the way, Bob mentioned this...
Quote:
|
Originally Posted by Bob
You probably can't touch type like you would on a regular keyboard, but I think you could certainly 2 or 3 finger it really fast.
|
... and it got me thinking. Lots of touch screens average multiple, simultaneous inputs. I'm not sure which, if any, touch screen technologies don't. It would be something of a problem if attempting a chord gave an altogether different single key output.