DK132420B - Kopiark omfattende et synligt billede repræsenterende instruktioner, spørgsmål eller udsagn og markeringsområder beregnet til at blive afkrydset svarende til det svar, der udvælges. - Google Patents

Kopiark omfattende et synligt billede repræsenterende instruktioner, spørgsmål eller udsagn og markeringsområder beregnet til at blive afkrydset svarende til det svar, der udvælges.

Info

Publication number
DK132420B
DK132420B DK425767AA DK425767A DK132420B DK 132420 B DK132420 B DK 132420B DK 425767A A DK425767A A DK 425767AA DK 425767 A DK425767 A DK 425767A DK 132420 B DK132420 B DK 132420B
Authority
DK
Denmark
Prior art keywords
ticked
questions
statements
visible image
image representing
Prior art date
Application number
DK425767AA
Other languages
English (en)
Other versions
DK132420C (da
Inventor
R E Thomas
R T Florence
C J Shoemaker
Original Assignee
Dick Co Ab
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 Dick Co Ab filed Critical Dick Co Ab
Priority to DK330272A priority Critical patent/DK135414B/da
Publication of DK132420B publication Critical patent/DK132420B/da
Application granted granted Critical
Publication of DK132420C publication Critical patent/DK132420C/da

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Printing (AREA)
DK425767A 1966-08-24 1967-08-23 Kopiark omfattende et synligt billede representerende instruktioner sporgsmal eller udsagn og markeringsomrader beregnet til at blive afkrydset svarende til det svar der udvelges DK132420C (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK330272A DK135414B (da) 1966-08-24 1972-07-03 Middel til fremstilling af med latente billeder forsynede kopiark til anvendelse ved karaktergivning og selvoverhøring.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57474366A 1966-08-24 1966-08-24

Publications (2)

Publication Number Publication Date
DK132420B true DK132420B (da) 1975-12-01
DK132420C DK132420C (da) 1976-05-03

Family

ID=24297438

Family Applications (1)

Application Number Title Priority Date Filing Date
DK425767A DK132420C (da) 1966-08-24 1967-08-23 Kopiark omfattende et synligt billede representerende instruktioner sporgsmal eller udsagn og markeringsomrader beregnet til at blive afkrydset svarende til det svar der udvelges

Country Status (6)

Country Link
US (1) US3451143A (da)
BE (1) BE703000A (da)
DE (1) DE1671532C3 (da)
DK (1) DK132420C (da)
GB (1) GB1138779A (da)
NL (1) NL6711319A (da)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051283A (en) * 1968-09-03 1977-09-27 A. B. Dick Company Printed sheets containing concealed images and method and materials for preparation and visual development of same
US3632364A (en) * 1968-09-03 1972-01-04 Dick Co Ab Printed sheets containing concealed images and method & materials for preparation and visual development of same
US3617324A (en) * 1968-10-17 1971-11-02 Dick Co Ab Method for forming a concealed image by sublimination
US3920863A (en) * 1969-05-06 1975-11-18 Minnesota Mining & Mfg Method of providing and developing hidden entries
US3731404A (en) * 1971-04-19 1973-05-08 A Masterson Testing form and system
US3850649A (en) * 1971-08-05 1974-11-26 Minnesota Mining & Mfg Latent image printing
CA973655A (en) * 1971-12-13 1975-09-02 Minnesota Mining And Manufacturing Company Moldable imaging composition
US3979550A (en) * 1974-01-18 1976-09-07 The Mazer Corporation Pre-printed latent image spirit duplicating masters
US4111462A (en) * 1975-07-15 1978-09-05 Minnesota Mining And Manufacturing Company Latent, sensitizing ink
US4205865A (en) * 1975-07-15 1980-06-03 Minnesota Mining And Manufacturing Company Latent sensitizing ink
US4198445A (en) * 1975-09-24 1980-04-15 The Gillette Company Latent image printing and development
US4188431A (en) * 1975-09-24 1980-02-12 The Gillette Company Latent image printing and development
US4038761A (en) * 1976-02-17 1977-08-02 A. B. Dick Company Element and method for teaching with liquid crystals
US4084332A (en) * 1977-03-07 1978-04-18 Waloszyk John S System for visual communication
US4337051A (en) * 1980-10-14 1982-06-29 Thomas Donlon Self-scoring test with non-disclosed key
US4514177A (en) * 1984-01-23 1985-04-30 Stry-Lenkoff Co. Invisible ink quiz game
GB2170036A (en) * 1985-01-21 1986-07-23 Robin Roy Richards Question and answer teaching aid
US4631203A (en) * 1985-04-08 1986-12-23 Rolf Schaefer Latent imaging and developer system
US4784876A (en) * 1986-12-31 1988-11-15 Lynwood Graphics, Inc. Sympathetic ink and developer system
US4787852A (en) * 1987-04-24 1988-11-29 Melnick David W Multicolor interactive notepad
US4917643A (en) * 1987-06-26 1990-04-17 Mattel, Inc. Toy vehicle with thermochromic material
US5503583B1 (en) * 1987-06-26 2000-09-05 Mattel Inc Toy with thermochromic material
US5084434A (en) * 1988-10-03 1992-01-28 A.B. Dick Company Ink and method for the development of concealed iamges
DE69020402T2 (de) * 1989-03-14 1995-11-23 Wiggins Teape Group Ltd Zusammensetzung zum Beglaubigen eines Sicherheitspapiers.
US5087283A (en) * 1990-01-02 1992-02-11 Dixon Marvin P Sympathetic ink for ink jet printer
US5372387A (en) * 1992-12-15 1994-12-13 Wajda; Tadeusz Security device for document protection
US5310627A (en) * 1992-12-15 1994-05-10 Minnesota Mining And Manufacturing Company Changing the color of yellow resist images by application of pH-sensitive dyes
US5431452A (en) * 1993-08-23 1995-07-11 Wallace Computer Services, Inc. Hidden entry system and image-developing device therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1866545A (en) * 1929-06-26 1932-07-12 Jacob G Cohen Game device
US2386872A (en) * 1941-07-02 1945-10-16 Gen Manifold & Printing Co Duplicating pad or sales book
US2936707A (en) * 1951-06-22 1960-05-17 Ditto Inc Color reaction type duplication process
US2618866A (en) * 1951-08-31 1952-11-25 Ncr Co Educational device
US3076406A (en) * 1954-09-28 1963-02-05 Dick Co Ab Duplicating method and element for use therein
US3363336A (en) * 1965-12-10 1968-01-16 Meredith Publishing Company Method and devices for teaching writing skills

Also Published As

Publication number Publication date
US3451143A (en) 1969-06-24
DE1671532A1 (de) 1971-09-23
DE1671532B2 (da) 1975-03-06
GB1138779A (en) 1969-01-01
NL6711319A (da) 1968-02-26
BE703000A (da) 1968-01-15
DE1671532C3 (de) 1975-10-16
DK132420C (da) 1976-05-03

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