FR820339A - Perfectionnements aux appareils photographiques - Google Patents

Perfectionnements aux appareils photographiques

Info

Publication number
FR820339A
FR820339A FR820339DA FR820339A FR 820339 A FR820339 A FR 820339A FR 820339D A FR820339D A FR 820339DA FR 820339 A FR820339 A FR 820339A
Authority
FR
France
Prior art keywords
cameras
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR820339A publication Critical patent/FR820339A/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR820339D 1936-04-07 1937-04-07 Perfectionnements aux appareils photographiques Expired FR820339A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB820339X 1936-04-07

Publications (1)

Publication Number Publication Date
FR820339A true FR820339A (fr) 1937-11-09

Family

ID=10528143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820339D Expired FR820339A (fr) 1936-04-07 1937-04-07 Perfectionnements aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR820339A (fr)

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