BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
A general architecture that implements the various feature of the invention will now be described with reference to the drawings. The drawings and the associated descriptions are provided to illustrate embodiments of the invention and not to limit the scope of the invention.
FIG. 1 is an exemplary perspective view showing a portable computer according to a first embodiment of the present invention;
FIG. 2 is an exemplary perspective view, partially broken away, showing a part of the portable computer of the first embodiment;
FIG. 3 is an exemplary exploded view perspectively showing a push button unit according to the first embodiment;
FIG. 4 is an exemplary cross-sectional view showing the button unit according to the first embodiment;
FIG. 5 is an exemplary cross-sectional view showing the button shown in FIG. 4 being pressed;
FIG. 6 is an exemplary exploded view perspectively showing a push button unit according to a second embodiment of the invention;
FIG. 7 is an exemplary cross-sectional view showing the push button unit according to the second embodiment;
FIG. 8 is an exemplary exploded view perspectively showing a push button unit according to a third embodiment of the invention;
FIG. 9 is an exemplary cross-sectional view taken on line F9-F9 in FIG. 8 showing the push button unit;
FIG. 10 is an exemplary cross-sectional view showing the button shown in FIG. 9 being pressed;
FIG. 11 is an exemplary cross-sectional view showing a modification of the push button unit according to the third embodiment;
FIG. 12 is an exemplary cross-sectional view showing a push button unit according to a fourth embodiment of the invention;
FIG. 13 is an exemplary cross-sectional view showing a push button unit according to a fifth embodiment of the invention; and
FIG. 14 is an exemplary cross-sectional view showing a push button unit according to another embodiment.