DE1572939A1 - Blattgebilde mit einer informationstragenden Oberflaeche und Verfahren zu dessen Herstellung - Google Patents

Blattgebilde mit einer informationstragenden Oberflaeche und Verfahren zu dessen Herstellung

Info

Publication number
DE1572939A1
DE1572939A1 DE19671572939 DE1572939A DE1572939A1 DE 1572939 A1 DE1572939 A1 DE 1572939A1 DE 19671572939 DE19671572939 DE 19671572939 DE 1572939 A DE1572939 A DE 1572939A DE 1572939 A1 DE1572939 A1 DE 1572939A1
Authority
DE
Germany
Prior art keywords
sheet
toner
sheet structure
answer
xerographic
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19671572939
Other languages
German (de)
English (en)
Inventor
Mayer Edward Francis
Stanley Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Ltd
Original Assignee
Rank Xerox Ltd
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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of DE1572939A1 publication Critical patent/DE1572939A1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00Electrographic processes using a charge pattern
    • G03G13/22Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B3/00Manually or mechanically operated teaching appliances working with questions and answers
    • G09B3/06Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
    • G09B3/08Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form
    • G09B3/085Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Printing Methods (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
DE19671572939 1966-12-27 1967-12-27 Blattgebilde mit einer informationstragenden Oberflaeche und Verfahren zu dessen Herstellung Pending DE1572939A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60474966A 1966-12-27 1966-12-27

Publications (1)

Publication Number Publication Date
DE1572939A1 true DE1572939A1 (de) 1970-03-26

Family

ID=24420871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671572939 Pending DE1572939A1 (de) 1966-12-27 1967-12-27 Blattgebilde mit einer informationstragenden Oberflaeche und Verfahren zu dessen Herstellung

Country Status (7)

Country Link
JP (1) JPS5236012B1 (enrdf_load_stackoverflow)
BE (1) BE708496A (enrdf_load_stackoverflow)
DE (1) DE1572939A1 (enrdf_load_stackoverflow)
FR (1) FR1548188A (enrdf_load_stackoverflow)
GB (1) GB1214329A (enrdf_load_stackoverflow)
NL (1) NL6717552A (enrdf_load_stackoverflow)
SE (1) SE344127B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2081058A3 (en) * 2008-01-16 2012-12-05 Holographic Security Innovations Limited Barrier structure having a surface relief

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1536582A (en) * 1975-01-31 1978-12-20 Shade Inc Method of reusing substrate for image presentation
FR2656713B1 (fr) * 1990-01-03 1992-12-04 Miehe Roger Dispositif pour l'indication de donnees.
US20070281224A1 (en) * 2006-05-31 2007-12-06 Kerry Arthur Kirk Scratch-off document and method for producing same
US8342576B2 (en) 2010-02-09 2013-01-01 Xerox Corporation Method and system of printing a scratch-off document
US8883390B1 (en) * 2013-04-19 2014-11-11 Eastman Kodak Company Method for creating a scratch-off document

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2081058A3 (en) * 2008-01-16 2012-12-05 Holographic Security Innovations Limited Barrier structure having a surface relief

Also Published As

Publication number Publication date
FR1548188A (enrdf_load_stackoverflow) 1968-11-29
BE708496A (enrdf_load_stackoverflow) 1968-06-24
GB1214329A (en) 1970-12-02
SE344127B (enrdf_load_stackoverflow) 1972-03-27
NL6717552A (enrdf_load_stackoverflow) 1968-06-28
JPS5236012B1 (enrdf_load_stackoverflow) 1977-09-13

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