FR1072223A - Perfectionnement aux projecteurs - Google Patents

Perfectionnement aux projecteurs

Info

Publication number
FR1072223A
FR1072223A FR1072223DA FR1072223A FR 1072223 A FR1072223 A FR 1072223A FR 1072223D A FR1072223D A FR 1072223DA FR 1072223 A FR1072223 A FR 1072223A
Authority
FR
France
Prior art keywords
projector
training
projector training
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 FR1072223A publication Critical patent/FR1072223A/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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • 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
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1072223D 1953-03-05 1953-03-05 Perfectionnement aux projecteurs Expired FR1072223A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1072223T 1953-03-05

Publications (1)

Publication Number Publication Date
FR1072223A true FR1072223A (fr) 1954-09-09

Family

ID=9605538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072223D Expired FR1072223A (fr) 1953-03-05 1953-03-05 Perfectionnement aux projecteurs

Country Status (1)

Country Link
FR (1) FR1072223A (fr)

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