Multi-functional capacitance sensing circuit with a current conveyor
US8866500B2 · kind B2 · utility
17Cited by
244References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 22, 2009 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Nov 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960725
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus for and a method of sensing capacitance of one or more sensor elements in multiple capacitance sensing modes, including a self-capacitance sensing mode and a mutual capacitance sensing mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.