Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2007-05-31
2010-11-09
Dharia, Prabodh M (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S176000
Reexamination Certificate
active
07830368
ABSTRACT:
A keypad having a virtual floating image that appears to a user to be in a plane other than the apparent plane of the keypad surface. More particularly, the indicia on the keypad appear to float above or below the surface of the device. The keypad can be, for example, the keypad on a cell phone. For such an application there would be more than one array of indicia present on the keypad. For example, there might be ten arrays of indicia, which provide the numerals from 0 to 9 and two more arrays to provide virtual images of the * and # keys. In some embodiments, the keypad is integrated with an illumination source that light up the indicia. The present disclosure also provides a method of manufacturing a key pad with a virtual floating image.
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Dobbs James N.
Dudley William R.
Free M. Benton
Huizinga John S.
Hulme-Lowe Alan G.
3M Innovative Properties Company
Dharia Prabodh M
Pastirik Daniel R.
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