Touch screen driver and methods for use therewith

Details Touch screen driver and methods for use therewith Touch screen driver and methods for use therewith

2005-12-14

2010-10-26

Abdulselam, Abbas I (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018010

Reexamination Certificate

active

07821501

ABSTRACT:
A touch screen driver includes a conditioner module for conditioning a first input/output port of a touch screen. The conditioner module includes a precharge module for charging the first input/output port to a precharge voltage in response to a precharge signal, and a pull-up module for maintaining the precharge voltage for detecting a touch event.

REFERENCES:
patent: 5933102 (1999-08-01), Miller et al.
patent: 6738048 (2004-05-01), Rundel
patent: 7411581 (2008-08-01), Hardie-Bick
patent: 2005/0212916 (2005-09-01), Nakamura et al.
patent: 2006/0097991 (2006-05-01), Hotelling et al.
patent: 2007/0236478 (2007-10-01), Geaghan et al.
patent: 200718086 (2007-01-01), None
patent: 1020040042150 (2004-05-01), None

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