Audio signal muting apparatus using negative power, and digital signal conversion apparatus equipped with same
US12040761B2 · kind B2 · utility
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1References
12Claims
0Family size
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Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Nov 22, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R3/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present exemplary embodiments provide an audio signal muting apparatus and a digital signal conversion apparatus which remove a negative pop noise in a predetermined large range using a negative power for the transistor of the audio signal muting apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.