Portable smart speaker power control
US11310594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2019 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Oct 3, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Various aspects include a speaker including: an acoustic transducer for providing an audio output; a set of microphones for detecting a user voice command; and a controller coupled with the acoustic transducer and the set of microphones, wherein the controller is configured to: in response to detecting a power down command, switch the set of microphones from an active listening mode to a standby mode for a parking period, in response to detecting a power up command during the parking period, switch the set of microphones from the standby mode to the active listening mode after a first time period, and in response to detecting the power up command after expiration of the parking period switch the set of microphones from the standby mode to the active listening mode after a second time period that is greater than the first time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.