GB191223085A - Improvements in and relating to Light Projecting Apparatus. - Google Patents

Improvements in and relating to Light Projecting Apparatus.

Info

Publication number
GB191223085A
GB191223085A GB191223085DA GB191223085A GB 191223085 A GB191223085 A GB 191223085A GB 191223085D A GB191223085D A GB 191223085DA GB 191223085 A GB191223085 A GB 191223085A
Authority
GB
United Kingdom
Prior art keywords
chamber
relating
light projecting
projecting apparatus
reservoir
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
Inventor
Leon Frassier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191223085A publication Critical patent/GB191223085A/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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)

Abstract

23,085. Frassier, L. Oct. 14, 1911, [Convention date]. Kinematograph apparatus.-In fire-preventing devices of the type comprising a water chamber B placed between the source of light and the film, the water is kept in circulation by the top of the chamber being connected by pipes 0 to a reservoir D at the upper part of the lantern A, the lower part of this reservoir being connected by pipes k provided with flanges forming radiators to the bottom of the chamber. The concentrating-lens and condenser are arranged on the outer and inner faces of the chamber B.
GB191223085D 1911-10-14 1911-10-14 Improvements in and relating to Light Projecting Apparatus. Expired GB191223085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR191223085X 1911-10-14

Publications (1)

Publication Number Publication Date
GB191223085A true GB191223085A (en) 1913-04-03

Family

ID=32526186

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191223085D Expired GB191223085A (en) 1911-10-14 1911-10-14 Improvements in and relating to Light Projecting Apparatus.
GB191223206D Expired GB191223206A (en) 1911-10-14 1912-10-10 Improvements in and relating to Light Projecting Apparatus.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB191223206D Expired GB191223206A (en) 1911-10-14 1912-10-10 Improvements in and relating to Light Projecting Apparatus.

Country Status (1)

Country Link
GB (2) GB191223085A (en)

Also Published As

Publication number Publication date
GB191223206A (en) 1913-10-10

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