Patent ID: 8333320

Claim:
An electronic entity comprising: a support, provided with at least a first portion and a second portion mobile relative to each other, the first portion of the support including an electronic microcircuit and contactless coupling means electrically connected to said electronic microcircuit and adapted to be coupled to an external reader station to establish contactless communication with said external reader station, the first portion of the support further comprising at least a part of a detector means adapted to detect a relative proximity of the first portion and the second portion independently of the contactless coupling means, the first portion of the support further comprising a security means connected to said detector means and to the contactless coupling means and/or the microcircuit, and adapted to inhibit and/or to authorize activation of a contactless communication between the contactless coupling means and an external reader station as a function of said relative proximity of the first portion and the second portion detected in this way by the detector means, whereby the bearer of the document is protected from fraudulent reading by contactless communication when the two portions are superposed, wherein the detector means comprises a part on the second portion of the support without any electrical connection with a first part on the first portion, the detector means being selected from the group consisting of Hall effect proximity sensors, capacitive proximity sensors, and inductive proximity sensors.