Somatosensory vibration generating device and method for forming somatosensory vibration
US11606636B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 3, 2021 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | Sep 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention provides a somatosensory vibration generating device comprising: an audio signal receiving module for receiving sound waves of external environmental sounds and converting the sound waves into a first audio frequency signal; a digital-to-analog conversion module for performing digital-to-analog conversion on the first audio frequency signal to generate and output a second audio frequency signal after digital-to-analog conversion; a digital signal processing module for converting the second audio frequency signal output by the digital-to-analog conversion module into a first vibration signal; an operational amplifier for performing gain processing on the first vibration signal and outputting a second vibration signal after gain processing; and at least one tactile transducer at least comprising a vibration element and a tactile transducer; and a frequency of the second audio frequency signal is less than 200 Hz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.