Efficient on-chip high-voltage driver circuit for ultrasonic transducer
US10944320B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
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Key dates
| Filing date | Apr 20, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Sep 19, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ultrasound transducer may be driven by a driver circuit having one or more charge pumps and a multi-level inverter. The one or more charge pumps are configured to drive the ultrasound transducer only during output transitions of the inverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.