Removing perturbation signal from a serial data stream, and to measurement and/or protection apparatus including same
US11474131B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/2506
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus is provided which substantially removes a perturbation signal from a pulse density modulated signal representing a combination of a signal to be measured and a perturbation applied to the signal to be measured. The removal of the perturbation is done by subtracting a correcting signal from the pulse density modulated signal. This approach introduces very little delay as it can be implemented by simple logic gates. It also provided enhanced immunity from the effects of bit errors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.