Retaskable switch-indicator unit

Details Retaskable switch-indicator unit Retaskable switch-indicator unit

2007-02-13

2007-02-13

Patel, Nitin (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S176000

Reexamination Certificate

active

10731644

ABSTRACT:
An integrated switch-indicator unit includes a light emitting diode (LED) structure for providing a plurality of indicators and an overlay input device integrated with the LED structure. The overlay input device includes a non-conductive substrate and a plurality of conductive electrode pairs. The plurality of 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.

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patent: 2004/0080486 (2004-04-01), Troxell et al.
patent: 2004/0238726 (2004-12-01), Caldwell

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