Press-button circuit and driving method thereof, keypad, and display device
First Claim
Patent Images
1. A press-button circuit, comprising:
- a first sampling port;
a second sampling port;
a common terminal;
a first control device, coupled to the first sampling port and the second sampling port;
a second control device, coupled to the first sampling port and the second sampling port;
a first node, coupled to the first sampling port via the first control device, and coupled to the second sampling port via the second control device;
m number of first press-button sub-circuits, coupled to the first sampling port and the common terminal;
n number of second press-button sub-circuits, coupled to the second sampling port and the common terminal;
i number of third press-button sub-circuits, coupled to the first node and the common terminal;
wherein m, n, and i are integers of 1 or greater;
the first control device is configured to control a connection between the first node and the first sampling port;
the second control device is configured to control a connection between the first node and the second sampling port;
wherein the first control device and the second control device are configured to;
control the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits to form a first sampling port through a first circuit arrangement including the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits;
controlling the first sampling port to use a second circuit arrangement including the m number of first press-button sub-circuits and the n number of second press-button sub-circuits, and controlling the second sampling port to use a third circuit arrangement including the i number of third press-button sub-circuits; and
controlling the first sampling port to use a fourth circuit arrangement including the m number of first press-button sub-circuits, and controlling the second sampling port to use a fifth circuit arrangement including the n number of second press-button sub-circuits and the i number of third press-button sub-circuits.
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Abstract
Press-button circuit and a driving method thereof are provided. A press-button circuit includes a first sampling port; a second sampling port; a common terminal; a first control device, coupled to the first sampling port and the second sampling port; at least one first press-button sub-circuit, coupled to the first sampling port and the common terminal; and at least one second press-button sub-circuit, coupled to the second sampling port and the common terminal.
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Citations
19 Claims
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1. A press-button circuit, comprising:
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a first sampling port; a second sampling port; a common terminal; a first control device, coupled to the first sampling port and the second sampling port; a second control device, coupled to the first sampling port and the second sampling port; a first node, coupled to the first sampling port via the first control device, and coupled to the second sampling port via the second control device; m number of first press-button sub-circuits, coupled to the first sampling port and the common terminal; n number of second press-button sub-circuits, coupled to the second sampling port and the common terminal; i number of third press-button sub-circuits, coupled to the first node and the common terminal; wherein m, n, and i are integers of 1 or greater; the first control device is configured to control a connection between the first node and the first sampling port; the second control device is configured to control a connection between the first node and the second sampling port; wherein the first control device and the second control device are configured to; control the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits to form a first sampling port through a first circuit arrangement including the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits; controlling the first sampling port to use a second circuit arrangement including the m number of first press-button sub-circuits and the n number of second press-button sub-circuits, and controlling the second sampling port to use a third circuit arrangement including the i number of third press-button sub-circuits; and controlling the first sampling port to use a fourth circuit arrangement including the m number of first press-button sub-circuits, and controlling the second sampling port to use a fifth circuit arrangement including the n number of second press-button sub-circuits and the i number of third press-button sub-circuits. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for driving a press-button circuit, comprising:
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providing the press-button circuit, including;
a node, coupled to a first sampling port via a first control device, and coupled to a second sampling port via a second control device;
m number of first press-button sub-circuits, coupled to the first sampling port and a common terminal;
n number of second press-button sub-circuits, coupled to the second sampling port and the common terminal; and
i number of third press-button sub-circuits, coupled to the node and the common terminal, wherein m, n, and i are integers of 1 or greater;controlling the first and second control devices, such that the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits form a sampling port through a first circuit arrangement including the m number of first press-button sub-circuits, the n number of second press-button sub-circuits, and the i number of third press-button sub-circuits; controlling the first and second control devices, such that the first sampling port uses a second circuit arrangement including the m number of first press-button sub-circuits and the n number of second press-button sub-circuits, and the second sampling port uses a third circuit arrangement including the i number of third press-button sub-circuits; and controlling the first and second control devices, such that the first sampling port uses a fourth circuit arrangement including the m number of first press-button sub-circuits, and the second sampling port uses a fifth circuit arrangement including the n number of second press-button sub-circuits and the i number of third press-button sub-circuits. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification