FR1069063A - Device for cooling the light beam in a projection apparatus - Google Patents

Device for cooling the light beam in a projection apparatus

Info

Publication number
FR1069063A
FR1069063A FR1069063DA FR1069063A FR 1069063 A FR1069063 A FR 1069063A FR 1069063D A FR1069063D A FR 1069063DA FR 1069063 A FR1069063 A FR 1069063A
Authority
FR
France
Prior art keywords
cooling
light beam
projection apparatus
projection
light
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)
Inventor
Andre-Victor-Leon-Cl Debrie
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 filed Critical
Application granted granted Critical
Publication of FR1069063A publication Critical patent/FR1069063A/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)
FR1069063D 1952-10-24 1952-10-24 Device for cooling the light beam in a projection apparatus Expired FR1069063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1069063T 1952-10-24

Publications (1)

Publication Number Publication Date
FR1069063A true FR1069063A (en) 1954-07-05

Family

ID=9604017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069063D Expired FR1069063A (en) 1952-10-24 1952-10-24 Device for cooling the light beam in a projection apparatus

Country Status (1)

Country Link
FR (1) FR1069063A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590913A (en) * 1967-07-04 1971-07-06 Sulver Brothers Ltd Wall element having means for selective heating and cooling thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590913A (en) * 1967-07-04 1971-07-06 Sulver Brothers Ltd Wall element having means for selective heating and cooling thereof

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