Capacitance sensor with improved noise filtering characteristics, method for noise filtering of capacitance sensor and computer-readable recording medium
US9535530B2 · kind B2 · utility
4Cited by
5References
21Claims
0Family size
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Key dates
| Filing date | Jun 25, 2012 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Jan 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960725
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a capacitance sensor including: a capacitance-voltage/current converter which converts a capacitance value of a sense capacitor into a voltage signal or a current signal by using an input signal; a multiplier which applies a weight to an output signal of the capacitance-voltage/current converter and outputs the weighted output signal; and an accumulator which accumulates continuously the output signal of the multiplier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.