BE858337A - Modulateur de lumiere, notamment pour une machine de reproduction cinematographique - Google Patents

Modulateur de lumiere, notamment pour une machine de reproduction cinematographique

Info

Publication number
BE858337A
BE858337A BE180624A BE180624A BE858337A BE 858337 A BE858337 A BE 858337A BE 180624 A BE180624 A BE 180624A BE 180624 A BE180624 A BE 180624A BE 858337 A BE858337 A BE 858337A
Authority
BE
Belgium
Prior art keywords
light modulator
reproduction machine
cinematographic
cinematographic reproduction
machine
Prior art date
Application number
BE180624A
Other languages
English (en)
French (fr)
Inventor
R Grossetete
Original Assignee
Debrie Andre Ets
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 Debrie Andre Ets filed Critical Debrie Andre Ets
Publication of BE858337A publication Critical patent/BE858337A/xx

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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Projection Apparatus (AREA)
BE180624A 1976-09-07 1977-09-01 Modulateur de lumiere, notamment pour une machine de reproduction cinematographique BE858337A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7626881A FR2363808A1 (fr) 1976-09-07 1976-09-07 Modulateur de lumiere, notamment pour une machine de reproduction cinematographique

Publications (1)

Publication Number Publication Date
BE858337A true BE858337A (fr) 1978-03-01

Family

ID=9177436

Family Applications (1)

Application Number Title Priority Date Filing Date
BE180624A BE858337A (fr) 1976-09-07 1977-09-01 Modulateur de lumiere, notamment pour une machine de reproduction cinematographique

Country Status (5)

Country Link
BE (1) BE858337A (forum.php)
DE (1) DE2740084A1 (forum.php)
ES (1) ES462031A1 (forum.php)
FR (1) FR2363808A1 (forum.php)
IT (1) IT1089452B (forum.php)

Also Published As

Publication number Publication date
ES462031A1 (es) 1978-06-16
DE2740084A1 (de) 1978-03-16
FR2363808A1 (fr) 1978-03-31
IT1089452B (it) 1985-06-18
FR2363808B1 (forum.php) 1981-08-07

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