FR1095418A - Improvements in lighting devices for cinematographic projectors and the like - Google Patents

Improvements in lighting devices for cinematographic projectors and the like

Info

Publication number
FR1095418A
FR1095418A FR1095418DA FR1095418A FR 1095418 A FR1095418 A FR 1095418A FR 1095418D A FR1095418D A FR 1095418DA FR 1095418 A FR1095418 A FR 1095418A
Authority
FR
France
Prior art keywords
lighting devices
cinematographic projectors
cinematographic
projectors
lighting
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
Pierre Juillet
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.)
RELIEF COULEUR
Original Assignee
RELIEF COULEUR
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 RELIEF COULEUR filed Critical RELIEF COULEUR
Application granted granted Critical
Publication of FR1095418A publication Critical patent/FR1095418A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1095418D 1953-12-03 1953-12-03 Improvements in lighting devices for cinematographic projectors and the like Expired FR1095418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1095418T 1953-12-03

Publications (1)

Publication Number Publication Date
FR1095418A true FR1095418A (en) 1955-06-02

Family

ID=9617540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1095418D Expired FR1095418A (en) 1953-12-03 1953-12-03 Improvements in lighting devices for cinematographic projectors and the like

Country Status (1)

Country Link
FR (1) FR1095418A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078760A (en) * 1958-11-03 1963-02-26 Dietzgen Co Eugene Optical projection system
EP0417039A1 (en) * 1989-09-04 1991-03-13 GRETAG Aktiengesellschaft Illumination device for projection means
US5320062A (en) * 1991-12-11 1994-06-14 Yazaki Corporation Illuminated slit pointer device for vehicle instrument
DE10235389A1 (en) * 2002-08-02 2004-02-19 Carl Zeiss Jena Gmbh Field illumination device for projection system has parabolic reflector enclosing light source and counter-reflector lying along common optical axis with its primary focus at secondary focus of parabolic reflector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078760A (en) * 1958-11-03 1963-02-26 Dietzgen Co Eugene Optical projection system
EP0417039A1 (en) * 1989-09-04 1991-03-13 GRETAG Aktiengesellschaft Illumination device for projection means
US5320062A (en) * 1991-12-11 1994-06-14 Yazaki Corporation Illuminated slit pointer device for vehicle instrument
DE10235389A1 (en) * 2002-08-02 2004-02-19 Carl Zeiss Jena Gmbh Field illumination device for projection system has parabolic reflector enclosing light source and counter-reflector lying along common optical axis with its primary focus at secondary focus of parabolic reflector

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