Anti-counterfeiting method and apparatus using digital screening

Cryptography – Electric signal modification – Having production of printed copy

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

380 54, 380205, 713176, 283113, 382135, G09C 500, B42D 1500, H04L 900

Patent

active

061048127

ABSTRACT:
An apparatus and process for hiding the secondary image within the primary image and generating a high quality hard copy of the unified elemental image of a variety of media. The process comprises the steps of rasterizing the first image into an first elemental image and rasterizing the second image, compensated with its own inverse, into an second elemental image. The first elemental image and the second elemental image are merged into a unified elemental image based on a predetermined decoding and compensating principle, resulting in the second elemental image being hidden within the first elemental image. An output image is created based on the unified elemental image where the primary image is visible to an un-aided eye while the secondary image is hidden from the un-aided eye.

REFERENCES:
patent: 1002600 (1911-09-01), Morris et al.
patent: 3937565 (1976-02-01), Alasia
patent: 4198147 (1980-04-01), Alasia
patent: 4341404 (1982-07-01), Mowry, Jr. et al.
patent: 4914700 (1990-04-01), Alasia
patent: 4949381 (1990-08-01), Pastor
patent: 5027401 (1991-06-01), Soltesz
patent: 5178418 (1993-01-01), Merry et al.
patent: 5303370 (1994-04-01), Brosh et al.
patent: 5337361 (1994-08-01), Wang et al.
patent: 5340159 (1994-08-01), Mowry, Jr.
patent: 5396559 (1995-03-01), McGrew
patent: 5426700 (1995-06-01), Berson
patent: 5537223 (1996-07-01), Curry
patent: 5568556 (1996-10-01), Conley
patent: 5617119 (1997-04-01), Briggs et al.
patent: 5671277 (1997-09-01), Ikenoue et al.
patent: 5673121 (1997-09-01), Wang
patent: 5708717 (1998-01-01), Alasia
patent: 5710834 (1998-01-01), Rhoads
patent: 5734752 (1998-03-01), Knox
patent: 5790703 (1998-08-01), Wang
patent: 5822660 (1998-10-01), Wen
patent: 5825892 (1998-10-01), Braudaway et al.
patent: 5859920 (1999-01-01), Daly et al.
patent: 5905819 (1999-05-01), Daly
patent: 5974458 (1999-10-01), Adams
patent: 5995638 (1999-11-01), Amidror et al.
patent: 6039357 (2000-03-01), Kendrick
patent: 6044156 (2000-03-01), Honsinger et al.
Official German Language Communication, German Patent and Trademark Office, Jun. 29, 1999, 5 pgs.
English Language Translation of Official Communication from the German Patent and Trademark Office, Jun. 29, 1999, 4 pgs.
Article, "Look, It's Not There" by Jian Zhao, Byte, vol. 22, No. 1, Jan., 1997, pp. 7/8, 10, 12.
PCT International Search Report dated May 3, 1999 for International Application No. PCT/HU 99/00002.
Brochure of Jura Security Printing, Jura Trade Ltd., Budapest Hungary, with sample image.
"Computer-Aided Security Design System for Pre-Press Operations: The Jura Security Printing (JSP) Design System", 13.sup.th International Security Printers Conference-Prague, Czech Republic, May 12-14, 1994 pp. 1-10.
M. Schreiber, Scrambled images in Parrot test printing; USPS may use device, Linn's Stamp News, vol. 69, Issue 3533, Jul. 22, 1996.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Anti-counterfeiting method and apparatus using digital screening does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Anti-counterfeiting method and apparatus using digital screening, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-counterfeiting method and apparatus using digital screening will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2015935

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.