The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2020
Filed:
Dec. 23, 2016
Oberthur Fiduciaire Sas, Paris, FR;
Philippe Dietemann, Saint Martin D'heres, FR;
OBERTHUR FIDUCIAIRE SAS, Paris, FR;
Abstract
A secure article including a revelation screen and a combined image, or a set comprising a secure article and another object. The secure article including one of the revelation screen and the combined image and the object comprising or making up the other of the revelation screen and the combined image. The combined image including a plurality of overlapping images. The combined image including a periodic alternation of overlapping image elements in a first direction. The revelation screen including a masking screen element alternating periodically with a non-masking screen element in a second direction. The size of the non-masking screen elements in the second direction is greater than the size, in the first direction, of at least one element of overlapping images, the revelation screen making it possible to observe various revealed images by moving the revelation screen in relation to the combined image and/or by changing the observation angle.