CH397288A - Procédé pour obtenir une feuille d'enregistrement portant une information graphique brouillée - Google Patents

Procédé pour obtenir une feuille d'enregistrement portant une information graphique brouillée

Info

Publication number
CH397288A
CH397288A CH1246262A CH1246262A CH397288A CH 397288 A CH397288 A CH 397288A CH 1246262 A CH1246262 A CH 1246262A CH 1246262 A CH1246262 A CH 1246262A CH 397288 A CH397288 A CH 397288A
Authority
CH
Switzerland
Prior art keywords
obtaining
recording sheet
graphic information
sheet carrying
scrambled
Prior art date
Application number
CH1246262A
Other languages
English (en)
Original Assignee
Ncr Co
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
Application filed by Ncr Co filed Critical Ncr Co
Publication of CH397288A publication Critical patent/CH397288A/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Editing Of Facsimile Originals (AREA)
CH1246262A 1961-10-24 1962-10-24 Procédé pour obtenir une feuille d'enregistrement portant une information graphique brouillée CH397288A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US147360A US3279095A (en) 1961-10-24 1961-10-24 Information encoding and decoding method

Publications (1)

Publication Number Publication Date
CH397288A true CH397288A (fr) 1965-08-15

Family

ID=22521256

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1246262A CH397288A (fr) 1961-10-24 1962-10-24 Procédé pour obtenir une feuille d'enregistrement portant une information graphique brouillée

Country Status (5)

Country Link
US (1) US3279095A (fr)
AT (1) AT241163B (fr)
CH (1) CH397288A (fr)
DK (1) DK109616C (fr)
GB (1) GB940498A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682954A (en) * 1960-10-24 1987-07-28 Cook Richard C Cryptographic process and enciphered product
US3390989A (en) * 1964-04-15 1968-07-02 Itek Corp Methods of imaging a data storage medium
US3675948A (en) * 1969-09-10 1972-07-11 American Bank Note Co Printing method and article for hiding halftone images
US3827726A (en) * 1972-05-02 1974-08-06 Polaroid Corp Identification cards
SE379107B (fr) * 1972-06-16 1975-09-22 A W Jemseby
US3969830A (en) * 1972-12-01 1976-07-20 Grasham James A Color encoding-decoding method
US3914877A (en) * 1974-04-08 1975-10-28 Marion E Hines Image scrambling technique
GB2172850A (en) * 1985-03-01 1986-10-01 Kenrick & Jefferson Ltd Security documents
EP0260815A1 (fr) * 1986-08-18 1988-03-23 Spectron Print Pty. Limited Méthode de chiffrage sûr et produits associés
US4916739A (en) * 1988-03-31 1990-04-10 Jerry R. Iggulden Adhesive photocopyable transparency for use in a secure facsimile transmission system
US4912761A (en) * 1988-03-31 1990-03-27 Jerry R. Iggulden Security facsimile systems
AU5084890A (en) * 1989-02-21 1990-09-26 Jerry R. Iggulden Security facsimile transmission system
US5241166A (en) * 1990-07-02 1993-08-31 Chandler Donald G Low resolution target acquisition
US5583950A (en) * 1992-09-16 1996-12-10 Mikos, Ltd. Method and apparatus for flash correlation
GB2282563A (en) * 1993-10-07 1995-04-12 Central Research Lab Ltd A composite image arrangement for documents of value
US5488664A (en) * 1994-04-22 1996-01-30 Yeda Research And Development Co., Ltd. Method and apparatus for protecting visual information with printed cryptographic watermarks
US7106888B1 (en) * 1999-05-25 2006-09-12 Silverbrook Research Pty Ltd Signature capture via interface surface
EP1401637A4 (fr) * 2001-06-05 2006-11-22 Confoti Inc Confettis sur lesquels sont imprimees des images photographiques
AU2003229014A1 (en) * 2002-05-10 2003-11-11 Confoti, Inc. Apparatus for interactive specification of manufactured products
EP1649683A1 (fr) * 2003-07-21 2006-04-26 Koninklijke Philips Electronics N.V. Alignement d'images
US9033245B2 (en) * 2009-09-17 2015-05-19 Tento Technologies Ltd. Device and method for obfuscating visual information

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417163A (en) * 1944-02-28 1947-03-11 Talimon E Horst Coding and decoding apparatus
US2377292A (en) * 1944-09-06 1945-05-29 Paul H Donaldson Photographic process
US2405972A (en) * 1945-01-13 1946-08-20 Arthur C Mccrum Method of producing prescription blanks
US2624958A (en) * 1951-09-06 1953-01-13 Fine Harry Cryptogrammic device
BE566862A (fr) * 1957-04-23
US2995443A (en) * 1957-08-08 1961-08-08 Metalphoto Corp Aluminum plate with plural images and method of making same
US2952080A (en) * 1957-09-12 1960-09-13 Teleregister Corp Cryptic grid scrambling and unscrambling method and apparatus

Also Published As

Publication number Publication date
GB940498A (en) 1963-10-30
US3279095A (en) 1966-10-18
DK109616C (da) 1968-05-20
AT241163B (de) 1965-07-12

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