FR925466A - Improvement in photographic enlargements - Google Patents

Improvement in photographic enlargements

Info

Publication number
FR925466A
FR925466A FR925466DA FR925466A FR 925466 A FR925466 A FR 925466A FR 925466D A FR925466D A FR 925466DA FR 925466 A FR925466 A FR 925466A
Authority
FR
France
Prior art keywords
improvement
photographic enlargements
enlargements
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)
Inventor
Roger-Pierre-Felix Lemasson
Francois Desvignes
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 filed Critical
Application granted granted Critical
Publication of FR925466A publication Critical patent/FR925466A/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)
FR925466D 1946-04-10 1946-04-10 Improvement in photographic enlargements Expired FR925466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925466T 1946-04-10

Publications (1)

Publication Number Publication Date
FR925466A true FR925466A (en) 1947-09-04

Family

ID=9440088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925466D Expired FR925466A (en) 1946-04-10 1946-04-10 Improvement in photographic enlargements

Country Status (1)

Country Link
FR (1) FR925466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146354B (en) * 1960-08-27 1963-03-28 Agfa Ag Magnifying device with focusing device controlled by the parallelogram linkage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146354B (en) * 1960-08-27 1963-03-28 Agfa Ag Magnifying device with focusing device controlled by the parallelogram linkage

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