Communications device, point of sale device, payment device and methods
US11847641B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2017 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Nov 18, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A communications device for implementing an electronic payment process, the communications device including a receiver unit operable to receive a secure limited use key (SLUK) from a financial institution that is generated by the financial institution using a first limited use key (LUK) generated using a first key associated with the financial institution, an identifier which identifies a user of the communications device, and a variable code, and a subset of the characters of a passcode associated with the user of the communications device, each character in the subset being identified by its character position in the passcode, and the character position in the passcode of each of the characters in the subset being determined by a predetermined algorithm on the basis of a second key associated with the user of the communications device, the identifier which identifies the user of the communications device and the variable code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.