FR486919A - Agencement pour perfectionnement aux appareils photographiques - Google Patents

Agencement pour perfectionnement aux appareils photographiques

Info

Publication number
FR486919A
FR486919A FR486919DA FR486919A FR 486919 A FR486919 A FR 486919A FR 486919D A FR486919D A FR 486919DA FR 486919 A FR486919 A FR 486919A
Authority
FR
France
Prior art keywords
cameras
arrangement
further development
development
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
English (en)
Inventor
George William Bretz
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.)
GEORGE WILLIAM BRETZ
Original Assignee
GEORGE WILLIAM BRETZ
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 GEORGE WILLIAM BRETZ filed Critical GEORGE WILLIAM BRETZ
Application granted granted Critical
Publication of FR486919A publication Critical patent/FR486919A/fr
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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
    • 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film
    • G03B2217/242—Details of the marking device
    • G03B2217/243—Optical devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR486919D 1916-04-13 1917-09-24 Agencement pour perfectionnement aux appareils photographiques Expired FR486919A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486919XA 1916-04-13 1916-04-13

Publications (1)

Publication Number Publication Date
FR486919A true FR486919A (fr) 1918-05-16

Family

ID=1523488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486919D Expired FR486919A (fr) 1916-04-13 1917-09-24 Agencement pour perfectionnement aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR486919A (fr)

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