BRIEF DESCRIPTION OF THE DRAWINGS
For a more complete understanding of the disclosure and the advantages thereof, reference is now made to the following brief description, taken in connection with the accompanying drawings and detailed description, wherein like reference numerals represent like parts.
FIG. 1 is a diagram of a handheld electronic device according to an embodiment of the disclosure.
FIG. 2 is a diagram of the upper surface of an elastomer keyboard according to an embodiment of the disclosure.
FIG. 3 is a three-dimensional depiction of the upper surface of an elastomer keyboard according to an embodiment of the disclosure.
FIG. 4 is a diagram of the lower surface of an elastomer keyboard according to an embodiment of the disclosure.
FIG. 5 is a cross section view of an elastomer keyboard according to an embodiment of the disclosure.
FIG. 6 is a diagram of a printed circuit board according to an embodiment of the disclosure.
FIG. 7 is a diagram of a portion of the components that might comprise a handheld electronic device according to an embodiment of the disclosure.
FIG. 8 is a diagram of a keypad contact according to the prior art.
FIG. 9 is a diagram of a keypad contact according to an embodiment of the disclosure.
FIGS. 10
a-10c are diagrams illustrating the movement of an elastomer key across a keypad contact according to an embodiment of the disclosure.
FIG. 11 is a diagram of the upper surface of a circular button according to an embodiment of the disclosure.
FIG. 12 is a diagram of the lower surface of a circular button according to an embodiment of the disclosure.
FIG. 13 is a diagram of a circular button and an elastomer keyboard according to an embodiment of the disclosure.
FIG. 14 is a diagram of a cursor control button according to the prior art.
FIG. 15 is a diagram of a circular button and support pillar according to an embodiment of the disclosure.
FIG. 16 is a block diagram of a portion of the components that might be present in a handheld electronic device according to an embodiment of the disclosure.
FIG. 17 is a diagram of a circular button with a center button according to an embodiment of the disclosure.
FIG. 18 is a cross section view of a circular button, center button, and elastomer keyboard according to an embodiment of the disclosure.