Method for detecting touch-point coordinate for use in a...

Details Method for detecting touch-point coordinate for use in a... Method for detecting touch-point coordinate for use in a...

2005-12-13

2005-12-13

Hjerpe, Richard (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018010

Reexamination Certificate

active

06975307

ABSTRACT:
A touch-point detecting method is applicable to a resistive touch panel with a touch-point detecting apparatus comprising a plurality of switches. By selectively enabling and disabling those switches, the present method comprises the steps of determining whether an external force is exerted on the touch panel, determining whether the external force is within a predetermined threshold, producing X-coordinate, and producing Y-coordinate.

REFERENCES:
patent: 5453941 (1995-09-01), Yoshikawa
patent: 5631741 (1997-05-01), Matthews
patent: 5659154 (1997-08-01), Yoshikawa
patent: 6208332 (2001-03-01), Ikegami
patent: 6246394 (2001-06-01), Kalthoff et al.
patent: 2002/0010407 (2002-01-01), Berelovich et al.
patent: 0309946 (1988-09-01), None

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