Wireless stereo headset with diversity
US11848785B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2018 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Dec 24, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication protocol provides improved communication performance between a wireless stereo headset (12) and a host device (19). The communication protocol provides communication paths between the host device (19) and each ear piece (12a, 12b) of the wireless stereo headset (12), as well as a communication path between the two ear pieces (12a, 12b) of the wireless stereo headset (12). In addition to receiving audio information from the host device (19), each ear piece (12a, 12b) may request audio information from the other ear piece (12b, 12a), thus obtaining path diversity. Using special control messages on connection between the ear pieces (12a, 12b), the ear pieces (12a, 12b) inform each other which audio information has been received successfully from the host device (19). Using a common clock broadcast by the host device (19), the ear pieces (12a, 12b) may indicate which audio information was missed and should be forwarded on the communication path (P2, 540, 1620) between the two ear pieces (12a, 12b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.