Secure data transfer on a handheld communications device
US8798266B2 · kind B2 · utility
2Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2012 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Nov 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/061
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A handheld communications device for transmitting an encryption key is provided. The device comprises a display device, and a data processor. The data processor of the handheld communications device is in communication with the display device. The data processor is configured to generate an encryption key, and to vary a visual output of the display device over time in accordance with a bit sequence of the encryption key. The varying visual output comprises a sequence of colors and/or brightness levels output by the display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.