Electricity: circuit makers and breakers – Electric switch details – Indicators
Reexamination Certificate
2011-07-19
2011-07-19
Friedhofer, Michael A (Department: 2833)
Electricity: circuit makers and breakers
Electric switch details
Indicators
C200S310000, C200S313000, C200S341000, C200S344000, C200S345000
Reexamination Certificate
active
07982149
ABSTRACT:
Mechanical architecture for providing maximum viewing area on key button tops of keys for a user input device. The viewing area is for the display of information on the key buttons, and also includes tactile feedback similar to standard laptop keyboards, all using low cost manufacturing methods such as injection molding. The architecture optimizes an aperture through the core of the key switch assembly in order to project an image through the aperture and onto the display area of the key button. The architecture relocates in at least one embodiment the tactile feedback mechanism (e.g., dome assembly) out from underneath the key button to the perimeter or side of the key switch assembly. The architecture finds particular application to input devices such as keyboards, game pods, data entry device, etc., that operate in combination with an optical surface (e.g., wedge lens).
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Bathiche Steven N.
Jenkins Kurt A.
Knight Jonathan
Larsen Glen C.
Schweers Michael R.
Friedhofer Michael A
Microsoft Corporation
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