PRINTED MATTER, METHOD AND DEVICE FOR DETECTING SUCH PRINTED MATTER, AND AUTHENTICATION METHOD AND DEVICE

Title:

PRINTED MATTER, METHOD AND DEVICE FOR DETECTING SUCH PRINTED MATTER, AND AUTHENTICATION METHOD AND DEVICE

Document Type and Number:

WIPO Patent Application WO/2006/106677

Kind Code:

A1

Abstract:

A printed matter in which various information unrecognizable by the vision of human being is buried in the image lines constituting a line image for securities without damaging artistic effects of a print image line and the information can be authenticated by the Fourier transform pattern of the print line mage. The printed matter which is capable of authenticating information and has a plurality of line images is characterized in that the image line is composed of a unit image line including a plurality of image lines arranged along the normal direction and intervals of the plurality of image lines in the unit image line in the normal direction are set in correspondence with the information to be buried. An authentication method, a method for burying information in the printed matter, and an authentication device for such information are also provided.

Inventors:

KIUCHI MASATO (JP)
MATSUMOTO YOSHINOBU (JP)

Application Number:

PCT/JP2006/306303

Publication Date:

October 12, 2006

Filing Date:

March 28, 2006

Export Citation:

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Assignee:

IVE AGENCY NAT PRINTING BUREAU (JP)
KIUCHI MASATO (JP)
MATSUMOTO YOSHINOBU (JP)

International Classes:

B42D15/10; B41M3/14; G07D7/20; H04N1/387

Foreign References:

JP2003200647A	2003-07-15
JP2001088361A	2001-04-03
JP2000118121A	2000-04-25
JP2003246134A	2003-09-02
JPH06206140A	1994-07-26
JPH07138879A	1995-05-30
JP2002001519A	2002-01-08
JP2002050606A	2002-02-15

Other References: