Method and device for detecting a noise generated in a receive signal of an ultrasonic sensor
US11493617B2 · kind B2 · utility
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1References
13Claims
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Key dates
| Filing date | Apr 25, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Apr 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/931
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for recognizing a noise represented in a receive signal of an ultrasonic sensor. A characteristic spectrum of the noise is compared with a noise spectrum of the receive signal, the noise spectrum including at least two noise levels determined in different frequency bands of the receive signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.