DE499803C - Cinematographic projection apparatus with device for cooling the picture book by means of compressed air - Google Patents

Cinematographic projection apparatus with device for cooling the picture book by means of compressed air

Info

Publication number
DE499803C
DE499803C DEZ16397D DEZ0016397D DE499803C DE 499803 C DE499803 C DE 499803C DE Z16397 D DEZ16397 D DE Z16397D DE Z0016397 D DEZ0016397 D DE Z0016397D DE 499803 C DE499803 C DE 499803C
Authority
DE
Germany
Prior art keywords
compressed air
cooling
projection apparatus
picture book
cinematographic projection
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
DEZ16397D
Other languages
German (de)
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
Publication date
Priority to DEZ16397D priority Critical patent/DE499803C/en
Application granted granted Critical
Publication of DE499803C publication Critical patent/DE499803C/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
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Description

Beruh, gedruckt in der itECalm, printed in itE

Claims (1)

Patentanspruch :Claim: Kinematographischer Projektionsapparat mit Einrichtung zum Kühlen >des Bildbandes mittels Druckluft, dadurch gekennzeichnet, daß die zu den Blasdüsien führende Druckluftleitung durch das Innere des den Rädermechanismus enthaltenden und ihn einkapselnden Werkgehäuses führt.Cinematographic projection apparatus with device for cooling> the Illustrated book by means of compressed air, characterized in that the to the blow nozzles leading compressed air line through the interior of the containing the wheel mechanism and it leads encapsulating the movement case. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEZ16397D Cinematographic projection apparatus with device for cooling the picture book by means of compressed air Expired DE499803C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEZ16397D DE499803C (en) Cinematographic projection apparatus with device for cooling the picture book by means of compressed air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ16397D DE499803C (en) Cinematographic projection apparatus with device for cooling the picture book by means of compressed air

Publications (1)

Publication Number Publication Date
DE499803C true DE499803C (en) 1930-06-17

Family

ID=7624032

Family Applications (1)

Application Number Title Priority Date Filing Date
DEZ16397D Expired DE499803C (en) Cinematographic projection apparatus with device for cooling the picture book by means of compressed air

Country Status (1)

Country Link
DE (1) DE499803C (en)

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