For "electronic devices" in general actually, but yes: http://www.google.com/patents/US7311526 http://www.google.com/patents/US7311526 They also don't license

For "electronic devices" in general actually, but yes: http://www.google.com/patents/US7311526 http://www.google.com/patents/US7311526 They also don't license it, which is why you don't see it anywhere else.