Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Reexamination Certificate
2005-11-14
2008-09-02
Wong, Albert K (Department: 2612)
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
C341S020000, C341S022000, C345S168000
Reexamination Certificate
active
07420479
ABSTRACT:
A keyboard system which includes a keyboard assembly and an embedded controller. The keyboard assembly includes a keyboard matrix and a keyscan controller coupled to the keyscan matrix. The keyscan controller receives position information from a pressed key of the keyboard matrix and generates basic keyscan information. The embedded controller receives the basic keyscan information and generates keycodes based upon the basic keyscan information.
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Microsoft Corporation “USB HID to PS/2 Scan Code Translation Table” Apr. 2, 2004 (5 pages).
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Microsoft Corporation “Windows Platform Design Notes—Keyboard Scan Code Specification” Revision 1.3a, Mar. 16, 2000.
Messmer, Hans-Peter; The Indispensable PC Hardware Book—Fourth Edition “Chapter 34 The keyboard, mouse, and joystick” Great Britain 2002.
Dell Prodcuts L.P.
Hamilton & Terrile LLP
Terrile Stephen A.
Wong Albert K
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