Method for authenticating and/or checking the integrity of a subject
US11049350B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2016 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/003
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Disclosed is a method for authenticating and/or checking the integrity of a subject, including:—visually superimposing, optically or electronically:—at least one so-called authentication image of at least one authentication region of an authentic subject, the authentication image including at least one texture of random composition,—and, also, the authentication region per se of a candidate subject or at least one verification image of the authentication region of the candidate subject,—in the event of observing, on the image resulting from the superimposition, a Glass pattern optical phenomenon in the authentication region, concluding that the candidate subject is the authentic subject and/or the at least partial integrity of the authentication region of the authentic subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.