Smart card with active directional indicia and methods of use thereof
US11461749B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Mar 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/0846
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A smart card includes a plurality of display devices on an outside surface of a housing. Circuitry within the housing includes a processor, and communication circuitry configured to communicate with at least one computing device located within a geographic region around the smart card. The processor is configured to continuously receive a plurality of communication signals from the computing device, to continuously assess a geographic distance from the smart card to the fixed position of the computing device within the geographic region using the plurality of communication signals, to continuously activate or deactivate the plurality of display devices based on the geographic distance from the smart card to the fixed position of the computing device in the geographic region for providing a user with a directional indication, distance indication, or both, to the computing device in the geographic region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.