SE344127B - - Google Patents

Info

Publication number
SE344127B
SE344127B SE1777967A SE1777967A SE344127B SE 344127 B SE344127 B SE 344127B SE 1777967 A SE1777967 A SE 1777967A SE 1777967 A SE1777967 A SE 1777967A SE 344127 B SE344127 B SE 344127B
Authority
SE
Sweden
Application number
SE1777967A
Inventor
E Mayer
S Wolf
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 SE344127B publication Critical patent/SE344127B/xx

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
    • G09B3/06—Manually 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
    • G09B3/08—Manually 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
    • G09B3/085—Manually 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)
SE1777967A 1966-12-27 1967-12-22 SE344127B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE344127B true SE344127B (enrdf_load_stackoverflow) 1972-03-27

Family

ID=24420871

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1777967A SE344127B (enrdf_load_stackoverflow) 1966-12-27 1967-12-22

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)

Families Citing this family (6)

* 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
GB0800716D0 (en) * 2008-01-16 2008-02-20 Drinkwater Kenneth J Novel diffusers, novel methods of manufacture, and novel gas and light barrier structures and applications
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

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
NL6717552A (enrdf_load_stackoverflow) 1968-06-28
DE1572939A1 (de) 1970-03-26
JPS5236012B1 (enrdf_load_stackoverflow) 1977-09-13

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