FR397103A - Viewfinder rangefinder for cameras - Google Patents

Viewfinder rangefinder for cameras

Info

Publication number
FR397103A
FR397103A FR397103DA FR397103A FR 397103 A FR397103 A FR 397103A FR 397103D A FR397103D A FR 397103DA FR 397103 A FR397103 A FR 397103A
Authority
FR
France
Prior art keywords
rangefinder
viewfinder
cameras
viewfinder rangefinder
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
Maurice Guillamaud
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.)
MAURICE GUILLAMAUD
Original Assignee
MAURICE GUILLAMAUD
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 MAURICE GUILLAMAUD filed Critical MAURICE GUILLAMAUD
Application granted granted Critical
Publication of FR397103A publication Critical patent/FR397103A/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
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR397103D 1907-12-06 1908-12-05 Viewfinder rangefinder for cameras Expired FR397103A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE397103X 1907-12-06

Publications (1)

Publication Number Publication Date
FR397103A true FR397103A (en) 1909-04-29

Family

ID=1442196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR397103D Expired FR397103A (en) 1907-12-06 1908-12-05 Viewfinder rangefinder for cameras

Country Status (1)

Country Link
FR (1) FR397103A (en)

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