FR683084A - Broken light beam photographic reproductive system - Google Patents

Broken light beam photographic reproductive system

Info

Publication number
FR683084A
FR683084A FR683084DA FR683084A FR 683084 A FR683084 A FR 683084A FR 683084D A FR683084D A FR 683084DA FR 683084 A FR683084 A FR 683084A
Authority
FR
France
Prior art keywords
light beam
reproductive system
broken light
beam photographic
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)
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR683084A publication Critical patent/FR683084A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR683084D 1928-10-11 1929-10-10 Broken light beam photographic reproductive system Expired FR683084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE683084X 1928-10-11

Publications (1)

Publication Number Publication Date
FR683084A true FR683084A (en) 1930-06-05

Family

ID=6597300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683084D Expired FR683084A (en) 1928-10-11 1929-10-10 Broken light beam photographic reproductive system

Country Status (1)

Country Link
FR (1) FR683084A (en)

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