Main speaker, sub speaker and system including the same
US10341771B2 · kind B2 · utility
2Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2017 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Jan 11, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a main speaker, sub speaker and system including the same. The present invention includes a main speaker configured to receive a first audio signal from a first source device and output the received first audio signal and at least one sub speaker configured communicate with the main speaker by wire or wireless. Particularly, if the communication with the main speaker is connected, the sub speaker outputs the first audio signal. If the sub speaker is separated from the main speaker, the sub speaker outputs the second audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.