BE661772A - - Google Patents

Info

Publication number
BE661772A
BE661772A BE661772A BE661772A BE661772A BE 661772 A BE661772 A BE 661772A BE 661772 A BE661772 A BE 661772A BE 661772 A BE661772 A BE 661772A BE 661772 A BE661772 A BE 661772A
Authority
BE
Belgium
Prior art keywords
demonstration
emi
light
images
permeable
Prior art date
Application number
BE661772A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE661772A publication Critical patent/BE661772A/fr

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
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
    • 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
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Mathematical Physics (AREA)
  • Educational Technology (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Educational Administration (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Processing Or Creating Images (AREA)
BE661772A 1963-01-17 1965-03-29 BE661772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE6610284U DE6610284U (de) 1963-01-17 1963-01-17 Optisches lehrmittel.
DEW33718A DE1273880B (de) 1963-01-17 1963-01-17 Lehr- und Demonstrationsgeraet

Publications (1)

Publication Number Publication Date
BE661772A true BE661772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-07-16

Family

ID=49274349

Family Applications (1)

Application Number Title Priority Date Filing Date
BE661772A BE661772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1963-01-17 1965-03-29

Country Status (3)

Country Link
BE (1) BE661772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE1273880B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1058141A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153577B (en) * 1984-01-27 1988-01-27 Metaplast Veb Cuvette for carrying out and projecting chemical experiments
KR910004590Y1 (ko) * 1988-06-25 1991-06-29 삼성전자 주식회사 자동판매기의 광고장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1782527U (de) * 1958-11-10 1959-02-05 Carl Weigang Rotierende reklame-leuchte.

Also Published As

Publication number Publication date
DE6610284U (de) 1973-08-16
GB1058141A (en) 1967-02-08
DE1273880B (de) 1968-07-25

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