CAPACITIVE MEASUREMENT PROCESSING FOR MODE CHANGES

摘要

Hybrid detection includes determining a first profiles based on multiple capacitive measurements, segmenting the first profiles into one dimensional intervals to obtain multiple segments, determining multiple regions of interest using the segments, and determining a set of contiguous regions based on multiple mutual capacitive measurements. Hybrid detection further includes selecting, from the set of contiguous regions, a set of valid contiguous regions using the regions of interest, and reporting positional information for each contiguous region in the set of valid contiguous regions.

主权项

1. A processing system for hybrid detection comprising:
a sensor module coupled to a plurality of sensor electrodes, and configured to:
drive a first subset of the plurality of sensor electrodes with first transmitter signals,receive, corresponding to the first transmitter signals, first resulting signals from a second subset of the plurality of sensor electrodes,receive second resulting signals from the second subset while the second subset are driven with modulated signals; and a determination module configured to:
determine a first plurality of profiles based on the second resulting signals,segment the first plurality of profiles into one dimensional intervals to obtain a plurality of segments;determine a plurality of regions of interest using the plurality of segments,determine a set of contiguous regions based on the first resulting signals,select, from the set of contiguous regions, a set of valid contiguous regions using the plurality of regions of interest, andreport positional information for each contiguous region in the set of valid contiguous regions.