Cleaner
US11864717B2 · kind B2 · utility
1Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2019 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Apr 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/105
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The cleaner according to the present disclosure includes a main body forming an airflow path through which air is sucked and exhausted; a dust separation unit disposed in the airflow path and configured to separate dust from the air; a fan module disposed in the airflow path and configured to move the air in the airflow path; and a noise control module including a speaker, and configured to control the output of the speaker to increase a level of the noise of at least one range of the frequency range of 2000 Hz or more and 8000 Hz or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.