keyboard / keypad idea

Sven Neuhaus sven-openmoko at
Mon Jan 15 23:41:07 CET 2007

Derek Pressnall schrieb:
> Then you would still be using the touch screen
> for input (pressure applied to the bumps would transfer through the
> overlay to the touch screen), but the keypad pattern would show up
> through the bottom part of the overlay (with the "bumps") where you
> could still "blind dial".
> Add in a hinged connection at the top of the overlay, and possibly a
> sensor that could switch the phone's screen between normal mode and
> "phone only" mode when the overlay is in use, and you could have a
> very cheap method of obtainin a keypad similar to a Motorola A780.  So
> what does everyone think?

The Sony Ericsson P800 phone uses a keyboard like that. It's usable, but 
not really great. I found a picture at


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