BR9612772A - Método e aparelho de software contra falsificação digital - Google Patents

Método e aparelho de software contra falsificação digital

Info

Publication number
BR9612772A
BR9612772A BR9612772-4A BR9612772A BR9612772A BR 9612772 A BR9612772 A BR 9612772A BR 9612772 A BR9612772 A BR 9612772A BR 9612772 A BR9612772 A BR 9612772A
Authority
BR
Brazil
Prior art keywords
image
latent
counterfeiting
visible
coded
Prior art date
Application number
BR9612772-4A
Other languages
English (en)
Inventor
Alfred Alasia
Original Assignee
Graphic Security Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24255391&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9612772(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Graphic Security Systems Corp filed Critical Graphic Security Systems Corp
Publication of BR9612772A publication Critical patent/BR9612772A/pt

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4493—Subsequently rendering the image intelligible using a co-operating image, mask or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Traffic Control Systems (AREA)
  • Storage Device Security (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Burglar Alarm Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Printing Methods (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)

Abstract

"MéTODO E APARELHO DE SOFTWARE CONTRA FALSIFICAçãO DIGITAL" Esta invenção relaciona-se em geral com um método e aparelho, implementado por um programa de software em um sistema de computador, para de forma digital produzir imagens de marcas características amontoadas ou codificadas de dissuasão de falsificação, tipicamente em uma forma impressa. Este método e sistema são capazes de combinar uma imagem fonte com uma imagem latente de modo que a imagem latente amontoada é somente é visível vista através de uma lente decodificadora especial. O processamento digital permite que imagens latentes diferentes sejam codificadas de acordo com parâmetros diferentes. Adicionalmente, as imagens latentes podem ser codificadas em cores componentes únicas de uma imagem visível, em vários ângulos de uma em relação a outra.
BR9612772-4A 1995-11-29 1996-11-26 Método e aparelho de software contra falsificação digital BR9612772A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/564,664 US5708717A (en) 1995-11-29 1995-11-29 Digital anti-counterfeiting software method and apparatus
PCT/US1996/019310 WO1997020298A1 (en) 1995-11-29 1996-11-26 Digital anti-counterfeiting software method and apparatus

Publications (1)

Publication Number Publication Date
BR9612772A true BR9612772A (pt) 2000-10-24

Family

ID=24255391

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9612772-4A BR9612772A (pt) 1995-11-29 1996-11-26 Método e aparelho de software contra falsificação digital

Country Status (18)

Country Link
US (1) US5708717A (pt)
EP (1) EP0877998B1 (pt)
KR (1) KR100425967B1 (pt)
CN (1) CN1097945C (pt)
AT (1) ATE220818T1 (pt)
AU (1) AU713560B2 (pt)
BR (1) BR9612772A (pt)
CA (1) CA2239086C (pt)
DE (1) DE69622434T2 (pt)
HK (1) HK1017936A1 (pt)
HU (1) HUP9902077A3 (pt)
IL (1) IL124682A (pt)
NO (1) NO324303B1 (pt)
NZ (1) NZ324582A (pt)
PL (1) PL182305B1 (pt)
RU (1) RU2176823C2 (pt)
WO (1) WO1997020298A1 (pt)
ZA (1) ZA9610012B (pt)

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DE69622434D1 (de) 2002-08-22
US5708717A (en) 1998-01-13
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EP0877998A1 (en) 1998-11-18
IL124682A (en) 2001-08-08
HUP9902077A2 (hu) 1999-10-28
EP0877998B1 (en) 2002-07-17
PL182305B1 (pl) 2001-12-31
KR100425967B1 (ko) 2004-05-17
NO982445D0 (no) 1998-05-28
ATE220818T1 (de) 2002-08-15
CA2239086A1 (en) 1997-06-05
PL326891A1 (en) 1998-10-26
CN1097945C (zh) 2003-01-01
RU2176823C2 (ru) 2001-12-10
CN1207818A (zh) 1999-02-10
CA2239086C (en) 2004-03-02
NO324303B1 (no) 2007-09-17
KR19990071733A (ko) 1999-09-27
NZ324582A (en) 1999-01-28
DE69622434T2 (de) 2003-02-20
AU713560B2 (en) 1999-12-02
WO1997020298A1 (en) 1997-06-05
HK1017936A1 (en) 1999-12-03
NO982445L (no) 1998-07-29
IL124682A0 (en) 1998-12-06
AU1146097A (en) 1997-06-19

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