Vibration generating apparatus, operating method thereof, and apparatus including vibration generating apparatus
US11750165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.