Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2011-08-16
2011-08-16
Wang, Quan-Zhen (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
Reexamination Certificate
active
07999793
ABSTRACT:
A touch screen system includes a touch screen assembly (30,31) and a touch screen controller (1A) coupled to terminals (24,25,26,27) of the touch screen assembly (30,31), the touch screen controller (1A) including a controller (41) and an analog to digital converter (22) for generating multiple digital data numbers representing multiple coordinate values, respectively, of a particular touch point (Q) of the touch screen assembly (30,31) in response to control signals (42) generated by the controller (41). A sorting technique is performed to sort the digital data numbers in order of their values, respectively. An averaging technique is performed on at least some of the sorted digital data numbers, including a median sorted digital number.
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“Specification sheet for Analog Devices Touch Screen Controller AD7877”, 2006 Analog Devices, Inc., pp. 1-44.
Brady III Wade J.
Davis Tony
Patti John J.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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