Capacitance detection method and device based on capacitive touch controller chip
US10120499B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 5, 2017 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Jul 5, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04166
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A capacitance detection method based on a capacitive touch controller chip includes: setting configuration information of a plurality of detection channels, the configuration information includes information of activating sequence and pre-configuration information of a plurality of respective detection channels (201); pre-configuring the plurality of respective channels before detection in accordance with the pre-configuration information (202); activating a first detection channel in accordance with the information of activating sequence, and detecting a capacitance value generated by touch of a user in the currently activated channel (203); and activating a next channel in accordance with the information of activating sequence, and continuing to perform detection on a capacitance value of the next channel until completing the detection of capacitance values of all detection channels (204). The method can enhance the flexibility of setting detection channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.