Patent · US Active

Object authentication

US8786839B2 · kind B2 · utility

7Cited by
41References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 2013
Grant dateJul 22, 2014
Priority date—
Expiry dateSep 11, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07D7/1205
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A device detects multi-spectral imaging by using scan elements. The device may include an illumination module and a detection module to detect light scattered from an object illuminated by the illumination module. The device may also include an array of light sources to produce light at a plurality of different wavelengths, and create a line of illumination with each of the different wavelengths. The light detection may be applied to authenticate and validate documents, such as banknotes moving along a document conveyer.

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