BE362349A - - Google Patents

Info

Publication number
BE362349A
BE362349A BE362349DA BE362349A BE 362349 A BE362349 A BE 362349A BE 362349D A BE362349D A BE 362349DA BE 362349 A BE362349 A BE 362349A
Authority
BE
Belgium
Prior art keywords
opening
characters
frame
projection
movable frame
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE362349A publication Critical patent/BE362349A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
BE362349D BE362349A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE362349A true BE362349A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=35271

Family Applications (1)

Application Number Title Priority Date Filing Date
BE362349D BE362349A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE362349A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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