Air purifier and method for outputting sound by air purifier
US12028698B2 · kind B2 · utility
0Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2022 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Jul 29, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air purifier includes a cylindrical filter configured to filter pollutants included in air that enters the air purifier, and a plurality of speakers coupled to a circumference of an outer surface of the cylindrical filter. A communication interface is configured to obtain information from an external device, and a processor is configured to control the plurality of speakers to output an audio signal corresponding to the information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.