DE243834C - - Google Patents

Info

Publication number
DE243834C
DE243834C DENDAT243834D DE243834DA DE243834C DE 243834 C DE243834 C DE 243834C DE NDAT243834 D DENDAT243834 D DE NDAT243834D DE 243834D A DE243834D A DE 243834DA DE 243834 C DE243834 C DE 243834C
Authority
DE
Germany
Prior art keywords
mirror
screen
projection
image
hidden
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.)
Active
Application number
DENDAT243834D
Other languages
German (de)
English (en)
Publication of DE243834C publication Critical patent/DE243834C/de
Active legal-status Critical Current

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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
DENDAT243834D Active DE243834C (fr)

Publications (1)

Publication Number Publication Date
DE243834C true DE243834C (fr)

Family

ID=502928

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT243834D Active DE243834C (fr)

Country Status (1)

Country Link
DE (1) DE243834C (fr)

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