FR758890A - Improvements to photographic printers - Google Patents

Improvements to photographic printers

Info

Publication number
FR758890A
FR758890A FR758890DA FR758890A FR 758890 A FR758890 A FR 758890A FR 758890D A FR758890D A FR 758890DA FR 758890 A FR758890 A FR 758890A
Authority
FR
France
Prior art keywords
photographic printers
printers
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR758890A publication Critical patent/FR758890A/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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
    • 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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection-Type Copiers In General (AREA)
FR758890D 1932-07-29 1933-07-25 Improvements to photographic printers Expired FR758890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US625726A US1933831A (en) 1932-07-29 1932-07-29 Photographic printing apparatus

Publications (1)

Publication Number Publication Date
FR758890A true FR758890A (en) 1934-01-24

Family

ID=24507303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR758890D Expired FR758890A (en) 1932-07-29 1933-07-25 Improvements to photographic printers

Country Status (2)

Country Link
US (1) US1933831A (en)
FR (1) FR758890A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743627C (en) * 1934-03-16 1943-12-30 Oedoen Riszdorfer Dr Exposure meter for a photographic enlarger

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607266A (en) * 1949-09-26 1952-08-19 Rabinowitz Jacob Photographic printing apparatus
GB984968A (en) * 1962-05-04 1965-03-03 Ilford Ltd Photographic printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743627C (en) * 1934-03-16 1943-12-30 Oedoen Riszdorfer Dr Exposure meter for a photographic enlarger

Also Published As

Publication number Publication date
US1933831A (en) 1933-11-07

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