FR16875E - Automatic diaphragm control - Google Patents

Automatic diaphragm control

Info

Publication number
FR16875E
FR16875E FR16875DA FR16875E FR 16875 E FR16875 E FR 16875E FR 16875D A FR16875D A FR 16875DA FR 16875 E FR16875 E FR 16875E
Authority
FR
France
Prior art keywords
diaphragm control
automatic diaphragm
automatic
control
diaphragm
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
Gabriel Cromer
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.)
GABRIEL CROMER
Original Assignee
GABRIEL CROMER
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 GABRIEL CROMER filed Critical GABRIEL CROMER
Application granted granted Critical
Publication of FR16875E publication Critical patent/FR16875E/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR16875D 1912-01-27 1912-12-05 Automatic diaphragm control Expired FR16875E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR440299T 1912-01-27
FR16875T 1912-12-05

Publications (1)

Publication Number Publication Date
FR16875E true FR16875E (en) 1913-05-07

Family

ID=1358437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR16875D Expired FR16875E (en) 1912-01-27 1912-12-05 Automatic diaphragm control

Country Status (1)

Country Link
FR (1) FR16875E (en)

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