Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
2006-09-28
2009-12-01
Edouard, Patrick N. (Department: 2617)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S550100, C455S557000, C455S566000, C455S575100, C379S433010, C379S433040, C370S368000
Reexamination Certificate
active
07627335
ABSTRACT:
A mobile electronic device having a keyboard has a cover plate acting as a dial keypad. The keypad has a push-through, hinge-spring design that activates only one of two keyboard keys underlying a dial key and allows backlighting transmissivity. A translucent material can be used to allow the keyboard key backlighting to be coupled through to a top dial key. The keypad creates an aesthetically balanced dial keypad arrangement over a QWERTY keyboard. A preferable mechanical implementation allows backlighting and has an offset contact and spring design to activate one of the two underlying keys. This activation simplifies the software implementation for executing the dial number since the signal is coming from one address rather than having to make a determination of whether it is coming from one or two addresses. Moreover, the resulting dial key press has a standard single click feel.
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Canadian Intellectual Property Office, Feb. 7, 2008 Office Action, Canadian Patent Application No. 2,473,331.
Canadian Intellectual Property Office Office Action of Jun. 18, 2008 for corresponding Canadian Application No. 2,473,331.
Chyc Paul Robert
Fyke Steven
Griffin Jason
Rak Roman Peter
Borden Ladner Gervais LLP
Edouard Patrick N.
Perez Julio R
Research In Motion Limited
Wong Jeffrey W.
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