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.
Claims12
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;
- wherein the OFN device is a fingerprint sensing device and is configured to encrypt the fingerprint to generate an encrypted fingerprint;
- wherein the capacitive touch control circuit is connected to an auxiliary control circuit which decrypts the encrypted fingerprint;
- wherein the signal integration system is in a conveyance, wherein the auxiliary control circuit is connected to other electronic devices of the conveyance via a second communication interface.
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;
- wherein the control circuit is further connected to a mechanical switch to receive a second control signal from the mechanical switch, wherein the mechanical switch is used to control a target device to turn on and turn off;
- wherein the OFN device is a fingerprint sensing device configured to encrypt the fingerprint to generate an encrypted fingerprint;
- wherein the control circuit is connected to an auxiliary control circuit which decrypts the encrypted fingerprint.
Dependencies are inferred from the claim text.