FR518337A - Camera shutter control - Google Patents

Camera shutter control

Info

Publication number
FR518337A
FR518337A FR518337A FR518337DA FR518337A FR 518337 A FR518337 A FR 518337A FR 518337 A FR518337 A FR 518337A FR 518337D A FR518337D A FR 518337DA FR 518337 A FR518337 A FR 518337A
Authority
FR
France
Prior art keywords
shutter control
camera shutter
camera
control
shutter
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
FR518337A
Other languages
French (fr)
Inventor
Hans Benjamin Emmrich
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.)
HANS BENJAMIN EMMRICH
Original Assignee
HANS BENJAMIN EMMRICH
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 HANS BENJAMIN EMMRICH filed Critical HANS BENJAMIN EMMRICH
Application granted granted Critical
Publication of FR518337A publication Critical patent/FR518337A/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
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR518337A 1920-06-30 1920-06-30 Camera shutter control Expired FR518337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR518337T 1920-06-30

Publications (1)

Publication Number Publication Date
FR518337A true FR518337A (en) 1921-05-23

Family

ID=8916158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR518337A Expired FR518337A (en) 1920-06-30 1920-06-30 Camera shutter control

Country Status (1)

Country Link
FR (1) FR518337A (en)

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