BE668766A - - Google Patents

Info

Publication number
BE668766A
BE668766A BE668766DA BE668766A BE 668766 A BE668766 A BE 668766A BE 668766D A BE668766D A BE 668766DA BE 668766 A BE668766 A BE 668766A
Authority
BE
Belgium
Prior art keywords
disc
slides
equipment according
equipment
sound element
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE668766A publication Critical patent/BE668766A/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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Packaging For Recording Disks (AREA)
BE668766D BE668766A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE668766A true BE668766A (enEXAMPLES)

Family

ID=208112

Family Applications (1)

Application Number Title Priority Date Filing Date
BE668766D BE668766A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE668766A (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002355A (en) * 1975-07-16 1977-01-11 Sendor Bernard T Book with sound track and visual display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002355A (en) * 1975-07-16 1977-01-11 Sendor Bernard T Book with sound track and visual display

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