ES2034800T3 - Impresion de cambio de color. - Google Patents

Impresion de cambio de color.

Info

Publication number
ES2034800T3
ES2034800T3 ES199090110869T ES90110869T ES2034800T3 ES 2034800 T3 ES2034800 T3 ES 2034800T3 ES 199090110869 T ES199090110869 T ES 199090110869T ES 90110869 T ES90110869 T ES 90110869T ES 2034800 T3 ES2034800 T3 ES 2034800T3
Authority
ES
Spain
Prior art keywords
color change
change print
invisible state
changing
color
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.)
Expired - Lifetime
Application number
ES199090110869T
Other languages
English (en)
Inventor
Kiyoharu Kawashima
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from US07/754,155 external-priority patent/US5215956A/en
Application granted granted Critical
Publication of ES2034800T3 publication Critical patent/ES2034800T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G09B3/02—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G09B3/04—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student of chart form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/001—Printing processes to produce particular kinds of printed work, e.g. patterns using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids
    • 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
    • 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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/0023—Colour matching, recognition, analysis, mixture or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Cosmetics (AREA)
  • Color Printing (AREA)

Abstract

EN LA IMPRESION DE CAMBIO DE COLOR DE LA INVENCION, SE IMPRIMEN NUMEROSAS AREAS UTILIZANDO VARIOS TIPOS DE TINTAS QUE CAMBIAN DE COLOR QUE DESARROLLAN VARIOS COLORES DIFERENTES DESDE EL ESTADO INVISIBLE AL REACCIONAR CON UN AGENTE DE CAMBIO DE COLOR. AL EMERGER LA IMPRESION DESDE EL ESTADO INVISIBLE Y AL CAMBIAR LOS COLORES APARENTES, SE PROPORCIONA UN ENTRETENIMIENTO E IMPREVISTOS DE FORMA QUE SE PUEDA REALIZAR UNA EDUCACION ATRACTIVA.
ES199090110869T 1990-06-08 1990-06-08 Impresion de cambio de color. Expired - Lifetime ES2034800T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP90110869A EP0460270B1 (en) 1990-06-08 1990-06-08 Color changing print
US07/754,155 US5215956A (en) 1990-06-06 1991-09-03 Color changing print

Publications (1)

Publication Number Publication Date
ES2034800T3 true ES2034800T3 (es) 1993-04-01

Family

ID=26125246

Family Applications (1)

Application Number Title Priority Date Filing Date
ES199090110869T Expired - Lifetime ES2034800T3 (es) 1990-06-08 1990-06-08 Impresion de cambio de color.

Country Status (3)

Country Link
EP (1) EP0460270B1 (es)
DE (1) DE69000277T2 (es)
ES (1) ES2034800T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112578A (ja) * 1993-02-12 1995-05-02 Seiji Kawashima 印刷物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221610A (en) * 1968-11-08 1971-02-03 Samuel Irving Friedman Transitory inks
US3650046A (en) * 1969-11-10 1972-03-21 Meredith Corp Educational device with self-checking arrangement
DE2030207A1 (de) * 1970-06-19 1971-12-23 Kreuzer Fa J Bedruckter Informationsträger, insbe sondere zum Lernen, Unterrichten und zu Spielzweckenn
US4198445A (en) * 1975-09-24 1980-04-15 The Gillette Company Latent image printing and development
GB2074943A (en) * 1980-05-02 1981-11-11 Harrison & Son High Wycombe Lt Providing a Sheet with Coloured Markings
US4907903A (en) * 1987-08-07 1990-03-13 Kiyoharu Kawashima Representing utensil

Also Published As

Publication number Publication date
DE69000277T2 (de) 1993-03-25
EP0460270A1 (en) 1991-12-11
EP0460270B1 (en) 1992-08-26
DE69000277D1 (de) 1992-10-01

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