FR1116609A - Perfectionnements aux appareils de projection - Google Patents

Perfectionnements aux appareils de projection

Info

Publication number
FR1116609A
FR1116609A FR1116609DA FR1116609A FR 1116609 A FR1116609 A FR 1116609A FR 1116609D A FR1116609D A FR 1116609DA FR 1116609 A FR1116609 A FR 1116609A
Authority
FR
France
Prior art keywords
projection devices
projection
devices
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
Application number
Other languages
English (en)
Inventor
Andre Cremer
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
Application granted granted Critical
Publication of FR1116609A publication Critical patent/FR1116609A/fr
Expired 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
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/68—Introducing or correcting distortion, e.g. in connection with oblique projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1116609D 1954-12-28 1954-12-28 Perfectionnements aux appareils de projection Expired FR1116609A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1116609T 1954-12-28

Publications (1)

Publication Number Publication Date
FR1116609A true FR1116609A (fr) 1956-05-09

Family

ID=9629556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116609D Expired FR1116609A (fr) 1954-12-28 1954-12-28 Perfectionnements aux appareils de projection

Country Status (1)

Country Link
FR (1) FR1116609A (fr)

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