Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Reexamination Certificate
2006-07-04
2006-07-04
Hirshfeld, Andrew H. (Department: 2854)
Typewriting machines
Key-board or key lever-actuating mechanism
Key-cap or key-stem structure
C200S0050EA, C361S689000, C400S491100
Reexamination Certificate
active
07070349
ABSTRACT:
A keypad assembly, the keypad assembly including a keycap layer110having multiple user interface key caps flexibly coupled to a carrier portion, a luminescent layer120disposed toward a backside of the plurality of key caps, the luminescent layer carrying a plurality of switch domes each aligned with a corresponding one of the plurality of key caps of the key cap layer. In some embodiments, a backing material is applied to a backside of the user interface key caps.
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