Method for secure pin entry on touch screen display
US6549194B1 · kind B1 · utility
98Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/1041
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for operating a combination touch pad and display screen device as a PINpad for entering a A plurality of numerical keypad layouts for the display screen are defined. Each keypad layout has a unique arrangement of decimal number locations differing from one layout to all others. For each PIN entry event a random one of the numerical keypad layouts is selected and displayed on the display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.