ES462031A1 - Perfeccionamientos en los moduladores de luz. - Google Patents

Perfeccionamientos en los moduladores de luz.

Info

Publication number
ES462031A1
ES462031A1 ES462031A ES462031A ES462031A1 ES 462031 A1 ES462031 A1 ES 462031A1 ES 462031 A ES462031 A ES 462031A ES 462031 A ES462031 A ES 462031A ES 462031 A1 ES462031 A1 ES 462031A1
Authority
ES
Spain
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.)
Expired
Application number
ES462031A
Other languages
English (en)
Spanish (es)
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.)
ANDRE DEBRIE ETS
Original Assignee
ANDRE DEBRIE 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 ANDRE DEBRIE ETS filed Critical ANDRE DEBRIE ETS
Publication of ES462031A1 publication Critical patent/ES462031A1/es
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
    • 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)
ES462031A 1976-09-07 1977-09-01 Perfeccionamientos en los moduladores de luz. Expired ES462031A1 (es)

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
ES462031A1 true ES462031A1 (es) 1978-06-16

Family

ID=9177436

Family Applications (1)

Application Number Title Priority Date Filing Date
ES462031A Expired ES462031A1 (es) 1976-09-07 1977-09-01 Perfeccionamientos en los moduladores de luz.

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
DE2740084A1 (de) 1978-03-16
FR2363808A1 (fr) 1978-03-31
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
FD1A Patent lapsed

Effective date: 19971001