Detection of modulating elements
US12008805B2 · kind B2 · utility
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12References
20Claims
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Key dates
| Filing date | Aug 13, 2020 |
| Grant date | Jun 11, 2024 |
| Priority date | — |
| Expiry date | Dec 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/1965
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for detecting a modulating element of an object are described in which signal values are obtained from one or more optical detectors. A determination is made if there is a time dependent variation in the obtained signal values at the one or more optical detector and a modulating element is detected based on the determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.