Signal integration system and capacitive touch control device
AssigneePixart Imaging Inc.
InventorChing-Shun Chen
Life of this patent
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Abstract
A signal integration system, comprising: an optical finger navigation (OFN) device, configured to sense images of a finger to generate OFN sensing data; and a capacitive touch control circuit, configured to receive the OFN sensing data, configured to generate first control signals for a capacitive touch sensor, and configured to receive touch sensing data from the capacitive touch sensor; wherein the capacitive touch control circuit integrates the OFN sensing data and a touch sensing result corresponding to the touch sensing data to output integrated data.
Claims20
A signal integration system, comprising:
- an optical finger navigation (OFN) device, configured to sense images of a finger to generate OFN sensing data;
- and
- a capacitive touch control circuit, configured to receive the OFN sensing data, configured to generate first control signals for a capacitive touch sensor, and configured to receive touch sensing data from the capacitive touch sensor;
- wherein the capacitive touch control circuit integrates the OFN sensing data and a touch sensing result corresponding to the touch sensing data to output integrated data.
A capacitive touch control device, comprising:
- a capacitive touch sensor;
- an optical finger navigation (OFN) device, configure to sense images of a finger to generate OFN sensing data;
- and
- a control circuit, configured to receive the OFN sensing data, configured to generate first control signals for the capacitive touch sensor, and configured to receive touch sensing data from the capacitive touch sensor;
- wherein the control circuit integrates the OFN sensing data and a touch sensing result corresponding to the touch sensing data to output integrated data.
Dependencies are inferred from the claim text.