FR1017937A - Improvements made to a sighting device for cameras - Google Patents

Improvements made to a sighting device for cameras

Info

Publication number
FR1017937A
FR1017937A FR1017937DA FR1017937A FR 1017937 A FR1017937 A FR 1017937A FR 1017937D A FR1017937D A FR 1017937DA FR 1017937 A FR1017937 A FR 1017937A
Authority
FR
France
Prior art keywords
cameras
improvements made
sighting device
sighting
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.)
Paillard SA
Original Assignee
Paillard SA
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 Paillard SA filed Critical Paillard SA
Application granted granted Critical
Publication of FR1017937A publication Critical patent/FR1017937A/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
FR1017937D 1949-07-27 1950-05-15 Improvements made to a sighting device for cameras Expired FR1017937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1017937X 1949-07-27

Publications (1)

Publication Number Publication Date
FR1017937A true FR1017937A (en) 1952-12-22

Family

ID=4552828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1017937D Expired FR1017937A (en) 1949-07-27 1950-05-15 Improvements made to a sighting device for cameras

Country Status (1)

Country Link
FR (1) FR1017937A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917968A (en) * 1955-09-13 1959-12-22 Canon Camera Co Field changing means for viewfinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917968A (en) * 1955-09-13 1959-12-22 Canon Camera Co Field changing means for viewfinder

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