Validating that a user is human
US9146917B2 · kind B2 · utility
3Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2012 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Aug 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2133
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of validating that a user is human. A user question is generated using a computerized device. The user question is output to a user. A user response to the user question is received from the user. The user response is validated as having been provided by a human.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.