Optocoupler current transfer ratio temperature compensation method and apparatus
US7582887B1 · kind B1 · utility
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6References
1Claims
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Key dates
| Filing date | Apr 3, 2008 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Apr 3, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45286
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Current transfer ratio temperature variation of an optocoupler is compensated by generation and summing of an optically generated current with a temperature dependent multiple of the optically generated current at the detector of the optocoupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.