Patent · US Expired

Contactless microcircuit card

US5283423A · kind A · utility

16Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1992
Grant dateFeb 1, 1994
Priority date
Expiry dateFeb 24, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/01087
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a microcircuit card having a card support with a cavity in which a cover foil (200) is fixed, which foil (200) includes a circuit support (20) and at least one circuit (210) arranged on an inner surface of the circuit support (20) facing towards the interior of the cavity, the circuit (210) being arranged opposite a first portion of a bottom of the cavity. The circuit support (20) includes on its lower surface at least one energy transfer element (220) arranged opposite a second portion of the bottom of the cavity at a distance from the first portion.

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