Method and device for processing ultrasonic waves
US11705973B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
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Key dates
| Filing date | Jun 28, 2021 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Jul 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B11/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A frequency combination corresponding to target data to be transmitted is determined. The frequency combination includes at least two different frequencies. Ultrasonic waves of frequencies in the frequency combination are sent within a predetermined duration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.