FR60016E - Further training in cameras - Google Patents

Further training in cameras

Info

Publication number
FR60016E
FR60016E FR60016DA FR60016E FR 60016 E FR60016 E FR 60016E FR 60016D A FR60016D A FR 60016DA FR 60016 E FR60016 E FR 60016E
Authority
FR
France
Prior art keywords
cameras
further training
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
French (fr)
Inventor
Lucien-Jules-Emile-A Dodin
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 FR60016E publication Critical patent/FR60016E/en
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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR60016D 1949-05-20 1949-05-20 Further training in cameras Expired FR60016E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR60016T 1949-05-20

Publications (1)

Publication Number Publication Date
FR60016E true FR60016E (en) 1954-09-22

Family

ID=8693769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60016D Expired FR60016E (en) 1949-05-20 1949-05-20 Further training in cameras

Country Status (1)

Country Link
FR (1) FR60016E (en)

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