Capacitive parametric zero crossing detector device, circuit and method
US9577623B2 · kind B2 · utility
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2References
26Claims
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Key dates
| Filing date | Sep 9, 2013 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | May 8, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/175
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A capacitive parametric zero crossing detection circuit has a nonlinear voltage controlled capacitive device coupled to an input voltage to convert a zero crossing current pulse into zero crossing voltage signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.