Sensor device scanning techniques to determine fast and/or slow motions
A method for performing navigation (NAV) operations using a sensor device comprising a plurality of transmitter electrodes includes: receiving, at an input sensing region of the sensor device, an input object; scanning, by the sensor device, the input object, wherein the scanning comprises driving a first subset of transmitter electrodes for low-resolution scanning and driving a second subset of transmitter electrodes for high-resolution scanning; and determining, by the sensor device, an input object motion based at least in part on the scanning.
1. A method for performing navigation (NAV) operations using a sensor device comprising a plurality of transmitter electrodes, the method comprising:
receiving, at an input sensing region of the sensor device, an input object;
scanning, by the sensor device, the input object, wherein the scanning comprises driving a first subset of transmitter electrodes for low-resolution scanning and a second subset of transmitter electrodes for high-resolution scanning; and
determining, by the sensor device, an input object motion based at least in part on the scanning;
wherein the scanning further comprises:
determining input object coverage based at least in part on the low-resolution scanning; and
capturing a sub-image of the input object based at least in part on the high-resolution scanning.
2. The method according to claim 1 , wherein the second subset of transmitter electrodes for high-resolution scanning includes one or more groups of adjacent transmitter electrodes.
3. The method according to claim 1 , wherein the first subset of transmitter electrodes for low-resolution scanning includes transmitter electrodes distributed throughout the input sensing region.
4. The method according to claim 1 , wherein one or more electrodes of the second subset of transmitter electrodes for high-resolution scanning are also part of the first subset of transmitter electrodes for low-resolution scanning.
5. The method according to claim 1 , wherein determining the input object motion comprises determining a fast swipe NAV motion based on the low-resolution scanning.
6. The method according to claim 1 , wherein determining the input object motion comprises determining a slow scroll NAV motion based on the high-resolution scanning.
7. The method according to claim 1 , wherein the input object is a finger.
8. The method according to claim 1 , wherein the input object is a stylus.
9. The method according to claim 1 , wherein the input object is a hand.
10. A non-transitory computer-readable medium having processor-executable instructions stored thereon for performing navigation (NAV) operations using a sensor device, the processor-executable instructions, when executed, facilitating performance of the following:
scanning, by the sensor device, an input object at an input sensing region of the sensor device, wherein the scanning comprises driving a first subset of transmitter electrodes for low-resolution scanning and a second subset of transmitter electrodes for high-resolution scanning; and
determining, by the sensor device, an input object motion based at least in part on the scanning;
wherein the scanning further comprises:
determining input object coverage based at least in part on the low-resolution scanning; and
capturing a sub-image of the input object based at least in part on the high-resolution scanning.
11. The non-transitory computer-readable medium according to claim 10 , wherein the second subset of transmitter electrodes for high-resolution scanning includes one or more groups of adjacent transmitter electrodes.
12. The non-transitory computer-readable medium according to claim 10 , wherein the first subset of transmitter electrodes for low-resolution scanning includes transmitter electrodes distributed throughout the input sensing region.
13. The non-transitory computer-readable medium according to claim 10 , wherein determining the input object motion comprises determining a fast swipe NAV motion based on the low-resolution scanning.
14. The non-transitory computer-readable medium according to claim 10 , wherein determining the input object motion comprises determining a slow scroll NAV motion based on the high-resolution scanning.
15. The non-transitory computer-readable medium according to claim 10 , wherein the input object is a finger.
16. The non-transitory computer-readable medium according to claim 10 , wherein the input object is a stylus.
17. The non-transitory computer-readable medium according to claim 10 , wherein the input object is a hand.
18. A method for performing navigation (NAV) operations using a sensor device, the method comprising:
receiving, at an input sensing region of the sensor device, an input object;
scanning, by the sensor device, the input object, wherein the scanning comprises driving a first subset of transmitter electrodes of the sensor device to determine coverage of the input sensing region by the input object through multiple low-resolution scans; and
detecting, by the sensor device, based on the scanning, motion of the input object corresponding to a fast swipe NAV operation.