FR890774A - Improvement in control strips for variations in light intensity in cinematographic film machines - Google Patents

Improvement in control strips for variations in light intensity in cinematographic film machines

Info

Publication number
FR890774A
FR890774A FR890774DA FR890774A FR 890774 A FR890774 A FR 890774A FR 890774D A FR890774D A FR 890774DA FR 890774 A FR890774 A FR 890774A
Authority
FR
France
Prior art keywords
variations
improvement
light intensity
control strips
cinematographic film
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
Andre-Leon-Victor-Cl Debrie
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 FR890774A publication Critical patent/FR890774A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR890774D 1943-02-05 1943-02-05 Improvement in control strips for variations in light intensity in cinematographic film machines Expired FR890774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890774T 1943-02-05

Publications (1)

Publication Number Publication Date
FR890774A true FR890774A (en) 1944-02-17

Family

ID=9382615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890774D Expired FR890774A (en) 1943-02-05 1943-02-05 Improvement in control strips for variations in light intensity in cinematographic film machines

Country Status (1)

Country Link
FR (1) FR890774A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922806C (en) * 1951-04-30 1955-01-24 Andre Victor Leon Cleme Debrie Masking tape for exposure control in motion picture printing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922806C (en) * 1951-04-30 1955-01-24 Andre Victor Leon Cleme Debrie Masking tape for exposure control in motion picture printing machines

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