CAPACITIVE TOUCH PANEL
First Claim
1. A capacitive touch panel device comprising:
- a touch panel having a plural conductive wires;
a multiplex selector electrically connected to the plural conductive wires of the touch panel;
a first switch electrically connected to the multiplex selector;
a first resistor having a first resistor value;
a second switch electrically connected to the first resistor and the first switch;
a capacitor having a capacitor value;
the capacitor electrically connected to the first switch and the second switch;
a third switch electrically connected to the capacitor;
an Analogue to Digital converter;
a fourth switch electrically connected to the Analogue to Digital converter and the third switch; and
an integrating circuit electrically connected to the second switch and the fourth switch.
1 Assignment
0 Petitions
Accused Products
Abstract
A capacitive touch panel consists of a touch panel having a plural conductive wires, a multiplex selector electrically connected to the plural conductive wires of the touch panel, a first switch electrically connected to the multiplex selector, a first resistor having a first resistor value, a second switch electrically connected to the resistor and the first switch, a capacitor having a capacitance value, the capacitor electrically connected to the first switch and the second switch, a third switch electrically connected to the capacitor, an Analogue to Digital converter, a fourth switch electrically connected to the Analogue to Digital converter and the third switch, and an integrating circuit electrically connected to the second switch and the fourth switch.
13 Citations
26 Claims
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1. A capacitive touch panel device comprising:
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a touch panel having a plural conductive wires; a multiplex selector electrically connected to the plural conductive wires of the touch panel; a first switch electrically connected to the multiplex selector; a first resistor having a first resistor value; a second switch electrically connected to the first resistor and the first switch; a capacitor having a capacitor value;
the capacitor electrically connected to the first switch and the second switch;a third switch electrically connected to the capacitor; an Analogue to Digital converter; a fourth switch electrically connected to the Analogue to Digital converter and the third switch; and an integrating circuit electrically connected to the second switch and the fourth switch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A capacitive touch panel comprising:
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a touch panel having a conductive plane and plural detecting points; a multiplex selector electrically connected to the plural detecting points of the touch panel; a first switch electrically connected to the above multiplex selector; a first resistor having a first resistance value; a second switch electrically connected to the first resistor and the first switch; a capacitor having a capacitance value, the capacitor electrically connected to the above first switch and the second switch; a third switch electrically connected to the capacitor; an Analogue to Digital converter; a fourth switch electrically connected to the Analogue to Digital converter and the third switch; and an integrating circuit electrically connected to the second switch and the fourth switch. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification