Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2006-11-09
2010-02-23
Mengista, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C178S018010, C178S018020, C200S600000, C324S415000
Reexamination Certificate
active
07667693
ABSTRACT:
A touch sensing apparatus is provided. The apparatus includes: a flip-flop, a sensor, an AC signal and a detector. The AC signal supplies AC signals to the flip-flop. The flip-flop outputs a first type output signal at the output thereof when the sensor is not touched. The sensor receives electricity signals from an object, and causes a delay of the AC signal to be inputted to the first input of the flip-flop, the delay of the AC signal to be inputted to the first input of the flip-flop further causes the flip-flop to output a second type output signal at the output thereof. The detector detects a change from the first type output signal to the second type output signal at the output of the flip-flop and accordingly identifies a touch on the sensor.
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Chung Shin-Hong
Hsieh Kuan-Hong
Wang Han-Che
Hon Hai Precision Industry Co. Ltd.
Hsu Winston
Lee Gene W
Mengista Amare
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