Vibration panel and drive method therefor, and haptic feedback device
US12342724B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jan 29, 2022 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Jan 29, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/88
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments in the present disclosure provide a vibration panel and a drive method therefor, and a haptic feedback device. The vibration panel includes: a substrate; a piezoelectric sensor located on one side of the substrate, where the piezoelectric sensor driven by an excitation signal is configured to vibrate, and to drive the substrate to vibrate; and a regulation structure, where the regulation structure is configured to regulate a characteristic frequency of the substrate, so as to make a resonant frequency of the substrate satisfy a preset range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.