FR949940A - Perfectionnement aux appareils photographiques - Google Patents

Perfectionnement aux appareils photographiques

Info

Publication number
FR949940A
FR949940A FR949940DA FR949940A FR 949940 A FR949940 A FR 949940A FR 949940D A FR949940D A FR 949940DA FR 949940 A FR949940 A FR 949940A
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
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.)
FEX ETS
Original Assignee
FEX ETS
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 FEX ETS filed Critical FEX ETS
Application granted granted Critical
Publication of FR949940A publication Critical patent/FR949940A/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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR949940D 1947-07-22 1947-07-22 Perfectionnement aux appareils photographiques Expired FR949940A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR949940T 1947-07-22

Publications (1)

Publication Number Publication Date
FR949940A true FR949940A (fr) 1949-09-13

Family

ID=9474799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949940D Expired FR949940A (fr) 1947-07-22 1947-07-22 Perfectionnement aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR949940A (fr)

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