Computer graphics processing and selective visual display system – Display peripheral interface input device
Reexamination Certificate
2008-04-01
2008-04-01
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
C345S173000, C345S179000, C178S018010, C178S018060
Reexamination Certificate
active
10281863
ABSTRACT:
A transparent overlay input device includes a transparent non-conductive substrate, a plurality of transparent conductive electrode pairs and a transparent non-conductive cover. The plurality of transparent conductive electrode pairs are formed on the substrate and each form a proximity sensitive region and include a first electrode that receives an input signal and a second electrode that provides an output signal. The first and second electrodes are capacitively coupled and the capacitance of the electrode pair changes when a conductive member, e.g., a user's finger, is located near the electrode pair. The transparent non-conductive cover is formed on the substrate over the electrode pairs.
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European Search Report for 03078051.4.
Harrington Marie I.
Lambert David K.
Oberdier Larry M.
Troxell John R.
Delphi Technologies Inc.
Funke Jimmy L.
Hjerpe Richard
Shapiro Leonid
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