Audio device and audio producing method
US9525954B2 · kind B2 · utility
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11Claims
0Family size
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Key dates
| Filing date | May 16, 2012 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Sep 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S7/301
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to an audio device comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.