Symmetric discovery over audio
US11062296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2020 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Aug 31, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A first computing device broadcasts a first audio token comprising the first user computing device identifier over two or more audio frequency channels at specified intervals and listens for audio inputs via the two or more audio frequency channels at the specified intervals. The first computing device receives a second audio token generated by a second computing device and communicates the received second audio token to the one or more computing devices. The second computing device receives the first audio token generated by the first computing device and communicates the received first audio token to the one or more computing devices. The one or more computing devices receive the first and second audio tokens and pair the first computing device and the second computing device and facilitate a transfer of data between the first computing device and the second computing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.