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US 12,585,310 B1Granted
Multi-functional and multi-frequency parallel transcapacitive sensing burst for foldable devices
AssigneeSynaptics Incorporated
InventorGuozhong Shen
Life of this patent
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Abstract
A system for performing a multi-functional and multi-frequency parallel transcapacitive sensing burst for a foldable device includes: a plurality of electrodes corresponding to a sensing region of the foldable device, the plurality of electrodes including a first set of electrodes disposed on a first side of a hinge of the foldable device and a second set of electrodes disposed on a second side of the hinge of the foldable device; and a processing system, configured to perform the multi-functional and multi-frequency parallel transcapacitive sensing burst.
Claims20
A system for performing a multi-functional and multi-frequency parallel transcapacitive sensing burst for a foldable device, comprising:
- a plurality of electrodes corresponding to a sensing region of the foldable device, the plurality of electrodes including a first set of electrodes disposed on a first side of a hinge of the foldable device and a second set of electrodes disposed on a second side of the hinge of the foldable device;
- and
- a processing system;
- configured to perform the multi-functional and multi-frequency parallel transcapacitive sensing burst, wherein performing the multi-functional and multi-frequency parallel transcapacitive sensing burst comprises:
- driving a plurality of transmitter electrodes of the first set of electrodes with sensing signals of a first frequency;
- driving at least one transmitter electrode of the second set of electrodes with at least one sensing signal of a second frequency;
- and
- obtaining resulting signals via a plurality of receiver electrodes of the first set of electrodes and a plurality of receiver electrodes of the second set of electrodes, wherein the resulting signals are based on the sensing signals of the first frequency and the sensing signals of the second frequency;
- wherein the processing system is configured to:
- drive all transmitter electrodes on the first side of the hinge with the sensing signals of the first frequency;
- and
- drive one or more transmitter electrodes on the second side of the hinge with the sensing signals of the first frequency and one or more other transmitter electrodes on the second side of the hinge with the sensing signals of the second frequency.
9 more elements
A method for operating a touch sensor of a foldable device, comprising:
- performing, by a processing system, a multi-functional and multi-frequency parallel transcapacitive sensing burst using a plurality of electrodes corresponding to a sensing region of the foldable device, wherein the plurality of electrodes includes a first set of electrodes disposed on a first side of a hinge of the foldable device and a second set of electrodes disposed on a second side of the hinge of the foldable device;
- wherein performing the multi-functional and multi-frequency parallel transcapacitive sensing burst comprises:
- driving a plurality of transmitter electrodes of the first set of electrodes with sensing signals of a first frequency;
- driving at least one transmitter electrode of the second set of electrodes with at least one sensing signal of a second frequency;
- and
- obtaining resulting signals via a plurality of receiver electrodes of the first set of electrodes and a plurality of receiver electrodes of the second set of electrodes, wherein the resulting signals are based on the sensing signals of the first frequency and the sensing signals of the second frequency;
- wherein all transmitter electrodes on the first side of the hinge are driven with the sensing signals of the first frequency;
- and
- wherein one or more transmitter electrodes on the second side of the hinge are driven with the sensing signals of the first frequency, and one or more other transmitter electrodes on the second side of the hinge are driven with the sensing signals of the second frequency.
6 more elements
A non-transitory computer-readable medium having processor-executable instructions stored thereon for operating a touch sensor of a foldable device, wherein the processor-executable instructions, when executed, facilitate performance of the following by a processing system:
- performing a multi-functional and multi-frequency parallel transcapacitive sensing burst using a plurality of electrodes corresponding to a sensing region of the foldable device, wherein the plurality of electrodes includes a first set of electrodes disposed on a first side of a hinge of the foldable device and a second set of electrodes disposed on a second side of the hinge of the foldable device;
- wherein performing the multi-functional and multi-frequency parallel transcapacitive sensing burst comprises:
- driving a plurality of transmitter electrodes of the first set of electrodes with sensing signals of a first frequency;
- driving at least one transmitter electrode of the second set of electrodes with at least one sensing signal of a second frequency;
- and
- obtaining resulting signals via a plurality of receiver electrodes of the first set of electrodes and a plurality of receiver electrodes of the second set of electrodes, wherein the resulting signals are based on the sensing signals of the first frequency and the sensing signals of the second frequency;
- wherein all transmitter electrodes on the first side of the hinge are driven with the sensing signals of the first frequency;
- and
- wherein one or more transmitter electrodes on the second side of the hinge are driven with the sensing signals of the first frequency, and one or more other transmitter electrodes on the second side of the hinge are driven with the sensing signals of the second frequency.
6 more elements
Dependencies are inferred from the claim text.