Hi Dan,
The Samsung Alias 2 cell phone uses e-ink technology to change the
function of buttons based on device orientation and programmatic need.
The same type of interface is used on the treadmills at my gym. They
utilize an e-ink display to make keys available based on function; for
instance blanking/darkening out those that are unused. The state of
the buttons can change based on availability, function, orientation
etc...
http://www.samsung.com/us/consumer/mobile/mobile-phones/verizon-wireless-phones/SCH-U750HAAVZW/index.idx?pagetype=prd_detail
Best,
-Dan
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Dan Peknik - Interaction Design, Human Factors
NASA Ames Research Center, Moffett Field, CA.
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On Nov 17, 2009, at 4:06 PM, Adam Korman wrote:
I worked on a car stereo project 7 or 8 years ago where we used
exactly this concept (we called it "contextual luminescent
feedback"). At the time we couldn't find examples that really did
this in any sort of sophisticated way either, but we ran with it
anyway because we thought it was compelling & appropriate for what
we needed. For all sorts of reasons it never was built, but as it
played out in the detailed design, it seemed pretty successful.
There are some simplistic examples (some vending machines indicate
the availability of an item by lighting up the button that you press
to get it), but I think that's probably not quite the same as what
you're describing.
On Nov 17, 2009, at 2:55 PM, Dan Zollman wrote:
Hi all,
I'm considering a pattern in which each
button lights up when it's active/available and gets dark when it's
inactive/unavailable.
There are certainly many devices with buttons that light up in order
to reflect the on/off state of a particular feature (e.g. caps lock
key), or of the device itself. However, I can't think of any
examples where lighted buttons reflect availability rather than
state.
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