Authenticating stylus device
US9898100B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2015 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Jun 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/33
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Various methods and systems for authenticating and identifying stylus devices are described herein. In one example, a method includes receiving a value generated by the stylus device during an initialization stage. The method includes receiving a code generated from the stylus device during an authentication stage. The method also includes cryptographically authenticating an author of digital ink corresponding to the stylus device on a computer device based in part on the value and the received code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.