FR578496A - Optical device applicable to streetlamp cinematographic apparatus - Google Patents

Optical device applicable to streetlamp cinematographic apparatus

Info

Publication number
FR578496A
FR578496A FR578496DA FR578496A FR 578496 A FR578496 A FR 578496A FR 578496D A FR578496D A FR 578496DA FR 578496 A FR578496 A FR 578496A
Authority
FR
France
Prior art keywords
streetlamp
optical device
device applicable
cinematographic apparatus
cinematographic
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.)
Johannes Nitzsche A G
Original Assignee
Johannes Nitzsche A G
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 Johannes Nitzsche A G filed Critical Johannes Nitzsche A G
Application granted granted Critical
Publication of FR578496A publication Critical patent/FR578496A/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
    • 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
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR578496D 1923-07-09 1924-03-12 Optical device applicable to streetlamp cinematographic apparatus Expired FR578496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE578496X 1923-07-09

Publications (1)

Publication Number Publication Date
FR578496A true FR578496A (en) 1924-09-26

Family

ID=6570440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578496D Expired FR578496A (en) 1923-07-09 1924-03-12 Optical device applicable to streetlamp cinematographic apparatus

Country Status (1)

Country Link
FR (1) FR578496A (en)

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