System and method for controlling output of multiple audio output devices
US9578418B2 · kind B2 · utility
3Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2015 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Jan 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Multiple audio output devices are individually triggered to generate an acoustic identification signal. A controller device can perform a comparison of the acoustic identification signal from each of the multiple audio output devices. The output from one or multiple audio output devices is controlled based on the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.