GB191411969A - Improvements in Cooling Chambers for Projection Purposes. - Google Patents

Improvements in Cooling Chambers for Projection Purposes.

Info

Publication number
GB191411969A
GB191411969A GB191411969DA GB191411969A GB 191411969 A GB191411969 A GB 191411969A GB 191411969D A GB191411969D A GB 191411969DA GB 191411969 A GB191411969 A GB 191411969A
Authority
GB
United Kingdom
Prior art keywords
cooling chambers
projection purposes
chambers
cooling
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
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss 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 Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of GB191411969A publication Critical patent/GB191411969A/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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

11,969. Zeiss, C., [Firm of]. June 20,1913, [Convention date]. Kinematograph apparatus.-The end walls of the cooling-chamber or chambers e are formed of fixedon parts, at least one of these being a lens of the lighting system. Specifications 14,951/84, 5626/06, 25,636/11, 10,273/12, and 23,085/12 are referred to
GB191411969D 1913-06-20 1914-05-15 Improvements in Cooling Chambers for Projection Purposes. Expired GB191411969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191411969X 1913-06-20

Publications (1)

Publication Number Publication Date
GB191411969A true GB191411969A (en) 1914-07-23

Family

ID=32523615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191411969D Expired GB191411969A (en) 1913-06-20 1914-05-15 Improvements in Cooling Chambers for Projection Purposes.

Country Status (1)

Country Link
GB (1) GB191411969A (en)

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