FR318524A - Automatic release device for photographic shutters - Google Patents

Automatic release device for photographic shutters

Info

Publication number
FR318524A
FR318524A FR318524DA FR318524A FR 318524 A FR318524 A FR 318524A FR 318524D A FR318524D A FR 318524DA FR 318524 A FR318524 A FR 318524A
Authority
FR
France
Prior art keywords
release device
automatic release
photographic shutters
shutters
photographic
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
Brueck
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR318524A publication Critical patent/FR318524A/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)
FR318524D 1902-02-08 1902-02-08 Automatic release device for photographic shutters Expired FR318524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318524T 1902-02-08

Publications (1)

Publication Number Publication Date
FR318524A true FR318524A (en) 1902-10-17

Family

ID=1369167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318524D Expired FR318524A (en) 1902-02-08 1902-02-08 Automatic release device for photographic shutters

Country Status (1)

Country Link
FR (1) FR318524A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723466A (en) * 1952-03-04 1955-11-15 Charles W Ott Near point tachistoscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723466A (en) * 1952-03-04 1955-11-15 Charles W Ott Near point tachistoscope

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