Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2008-01-15
2008-01-15
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
Reexamination Certificate
active
10470714
ABSTRACT:
The invention concerns an electronic display device comprising means of detection of proximity of a conducting element situated in proximity to a display zone of the device, a set of row electrodes (4) and of column electrodes scanning the display zone, means for generating an excitation of the row electrodes and of the column electrodes as a function of an image to be displayed on the display zone. The proximity detection means comprise:means (7) for applying a specific electrical signal distinct from the excitation to said set,means (8) for detecting modifications of the specific electrical signal which are induced by the presence of a conducting element in proximity to a region of the display zone,and means (15) for determining the position of said region as a function of said detected modifications.
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Abdulselam Abbas I.
Lowe Hauptman & Ham & Berner, LLP
Thales
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