Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Reexamination Certificate
2011-04-12
2011-04-12
Friedhofer, Michael A (Department: 2833)
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
C200S314000
Reexamination Certificate
active
07923649
ABSTRACT:
A printed circuit board is provided for use in a keyboard assembly of a mobile device having a plurality of keys in a key layout. The printed circuit board has a plurality of contacts, such as dome switches, arranged in a contact layout. The contact layout is such that it can be used with a plurality of different key layouts, each actuating different combinations of contacts. Some keys in a particular key layout are overlying at least two of the plurality of contacts, and such keys actuate only one of the underlying contacts. As such, a common printed circuit board can be used for a plurality of complementary mobile device designs having different key layouts, thereby allowing a manufacturer to realize cost efficiencies.
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Examination Report for corresponding application No. GB0318532.9, 3 pp.
Chyc Paul Robert
Fyke Steven
Griffin Jason
Rak Roman Peter
Agarwal, Esquire Brij K.
Eckert Seamans Cherin & Mellott , LLC
Friedhofer Michael A
Research In Motion Limited
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