Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2007-04-03
2007-04-03
Shalwala, Biipin (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C345S001100, C345S002200
Reexamination Certificate
active
10209826
ABSTRACT:
There is provided an apparatus with a touch screen including a touch pad. The apparatus includes a connecter for connecting the apparatus to an external display device; a sensor for generating a sensing signal upon detecting connection between the apparatus and the external display device; a touch screen display driver for displaying data input from the touch pad on the touch screen; an external display driver for displaying data input from the touch pad on the external display device when the touch pad operates in a mouse pad mode; and a controller for upon receiving the sensing signal, disabling the touch screen display driver, enabling the external display driver, recognizing a point on the touch pad selected by a user, generating a coordinate value corresponding to the point, performing calculation for mapping the coordinate value with a screen display coordinate of the external display device, and determining a position of a pointer to be displayed on a screen of the external display device.
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Lee Ju-Beam
Park Sang-Jun
Lewis David L.
Shalwala Biipin
The Farrell Law Firm
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