FR866657A - Lighting device, in particular for projecting images - Google Patents

Lighting device, in particular for projecting images

Info

Publication number
FR866657A
FR866657A FR866657DA FR866657A FR 866657 A FR866657 A FR 866657A FR 866657D A FR866657D A FR 866657DA FR 866657 A FR866657 A FR 866657A
Authority
FR
France
Prior art keywords
lighting device
projecting images
projecting
images
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)
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR866657A publication Critical patent/FR866657A/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)
FR866657D 1939-05-25 1940-08-07 Lighting device, in particular for projecting images Expired FR866657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE866657X 1939-05-25

Publications (1)

Publication Number Publication Date
FR866657A true FR866657A (en) 1941-08-25

Family

ID=6802032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866657D Expired FR866657A (en) 1939-05-25 1940-08-07 Lighting device, in particular for projecting images

Country Status (1)

Country Link
FR (1) FR866657A (en)

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