FR1037748A - Photo-electro-mechanical control process for printing and photographic enlargement devices - Google Patents

Photo-electro-mechanical control process for printing and photographic enlargement devices

Info

Publication number
FR1037748A
FR1037748A FR1037748DA FR1037748A FR 1037748 A FR1037748 A FR 1037748A FR 1037748D A FR1037748D A FR 1037748DA FR 1037748 A FR1037748 A FR 1037748A
Authority
FR
France
Prior art keywords
electro
photo
printing
control process
mechanical control
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
Emile Bueno
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 FR1037748A publication Critical patent/FR1037748A/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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
FR1037748D 1951-05-28 1951-05-28 Photo-electro-mechanical control process for printing and photographic enlargement devices Expired FR1037748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1037748T 1951-05-28

Publications (1)

Publication Number Publication Date
FR1037748A true FR1037748A (en) 1953-09-22

Family

ID=9587208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1037748D Expired FR1037748A (en) 1951-05-28 1951-05-28 Photo-electro-mechanical control process for printing and photographic enlargement devices

Country Status (1)

Country Link
FR (1) FR1037748A (en)

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