FR1155940A - Photographic lens shutter comprising a device for adjusting the exposure time - Google Patents

Photographic lens shutter comprising a device for adjusting the exposure time

Info

Publication number
FR1155940A
FR1155940A FR1155940DA FR1155940A FR 1155940 A FR1155940 A FR 1155940A FR 1155940D A FR1155940D A FR 1155940DA FR 1155940 A FR1155940 A FR 1155940A
Authority
FR
France
Prior art keywords
adjusting
exposure time
photographic lens
lens shutter
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
Other languages
French (fr)
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.)
Hittech Prontor GmbH
Original Assignee
Alfred Gauthier GmbH
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 Alfred Gauthier GmbH filed Critical Alfred Gauthier GmbH
Application granted granted Critical
Publication of FR1155940A publication Critical patent/FR1155940A/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)
FR1155940D 1955-07-25 1956-07-09 Photographic lens shutter comprising a device for adjusting the exposure time Expired FR1155940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1155940X 1955-07-25

Publications (1)

Publication Number Publication Date
FR1155940A true FR1155940A (en) 1958-05-09

Family

ID=7727918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155940D Expired FR1155940A (en) 1955-07-25 1956-07-09 Photographic lens shutter comprising a device for adjusting the exposure time

Country Status (1)

Country Link
FR (1) FR1155940A (en)

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