Generation of a captcha on a handheld touch screen device
US10346606B2 · kind B2 · utility
0Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2017 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Dec 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2133
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present disclosure relate to a CAPTCHA generation method. According to the method, a request for accessing a resource is received from a handheld touch screen device. A default virtual keyboard type is received from the handheld touch screen device. In response to the request, a CAPTCHA is generated based on the default virtual keyboard type. The CAPTCHA is sent to the handheld touch screen device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.