Data transfer with QR codes
US11784908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Jul 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1868
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, apparatus, computer program products for exchange data among air-gapped devices are provided. The method comprises: identifying, by a device in a cluster of devices, a plurality of accessible devices in the cluster via corresponding respective quick response (QR) codes; generating, by the device, logical routing information based on the identified plurality of accessible devices, the logical routing information comprising at least identifiers of the identified plurality of accessible devices; and transmitting, by the device, data encoded in a plurality of QR codes to a destination device in the cluster based on a shortest routing path identified in the logical routing information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.