FR2363808A1 - 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
FR2363808A1
FR2363808A1 FR7626881A FR7626881A FR2363808A1 FR 2363808 A1 FR2363808 A1 FR 2363808A1 FR 7626881 A FR7626881 A FR 7626881A FR 7626881 A FR7626881 A FR 7626881A FR 2363808 A1 FR2363808 A1 FR 2363808A1
Authority
FR
France
Prior art keywords
light modulator
right angle
stud
strips
diaphragm blade
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.)
Granted
Application number
FR7626881A
Other languages
English (en)
French (fr)
Other versions
FR2363808B1 (ref
Inventor
Roger Grossetete
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.)
DEBRIE ANDRE ETS
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
Priority to FR7626881A priority Critical patent/FR2363808A1/fr
Priority to BE180624A priority patent/BE858337A/xx
Priority to ES462031A priority patent/ES462031A1/es
Priority to IT956377A priority patent/IT1089452B/it
Priority to DE19772740084 priority patent/DE2740084A1/de
Publication of FR2363808A1 publication Critical patent/FR2363808A1/fr
Application granted granted Critical
Publication of FR2363808B1 publication Critical patent/FR2363808B1/fr
Granted 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
    • 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)
FR7626881A 1976-09-07 1976-09-07 Modulateur de lumiere, notamment pour une machine de reproduction cinematographique Granted FR2363808A1 (fr)

Priority Applications (5)

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
BE180624A BE858337A (fr) 1976-09-07 1977-09-01 Modulateur de lumiere, notamment pour une machine de reproduction cinematographique
ES462031A ES462031A1 (es) 1976-09-07 1977-09-01 Perfeccionamientos en los moduladores de luz.
IT956377A IT1089452B (it) 1976-09-07 1977-09-05 Modulatore di luce in specie per a mscchina di riproduzione cinemato un grafica
DE19772740084 DE2740084A1 (de) 1976-09-07 1977-09-06 Lichtsteuerungsvorrichtung

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 (2)

Publication Number Publication Date
FR2363808A1 true FR2363808A1 (fr) 1978-03-31
FR2363808B1 FR2363808B1 (ref) 1981-08-07

Family

ID=9177436

Family Applications (1)

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

Country Status (5)

Country Link
BE (1) BE858337A (ref)
DE (1) DE2740084A1 (ref)
ES (1) ES462031A1 (ref)
FR (1) FR2363808A1 (ref)
IT (1) IT1089452B (ref)

Also Published As

Publication number Publication date
ES462031A1 (es) 1978-06-16
DE2740084A1 (de) 1978-03-16
BE858337A (fr) 1978-03-01
IT1089452B (it) 1985-06-18
FR2363808B1 (ref) 1981-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse