Patent · US Active

Smart card

US12254368B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

GIESECKE+DEVRIENT EPAYMENTS GMBH · DE

Inventors

Wensheng Zhu · Hubei, CN
Chen Fang · Huangshi, CN
Dunpu Wang · Hubei, CN

Key dates

Filing date	Aug 22, 2022
Grant date	Mar 18, 2025
Priority date	—
Expiry date	Aug 22, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG07F7/1008
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A smart card, has a central area and an edge area surrounding the central area including a first protection layer, a function layer and a second protection layer which are sequentially stacked. The function layer comprises: a read-write module and a light-emitting module. The smart card facilitates the user to know a use state of the smart card, thereby largely avoiding the user from making payment or repeating payment without knowledge, which facilitates ensuring property safety.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.