FR675865A - Cooling device in cinema projection devices - Google Patents

Cooling device in cinema projection devices

Info

Publication number
FR675865A
FR675865A FR675865DA FR675865A FR 675865 A FR675865 A FR 675865A FR 675865D A FR675865D A FR 675865DA FR 675865 A FR675865 A FR 675865A
Authority
FR
France
Prior art keywords
cooling device
projection devices
cinema projection
cinema
devices
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.)
Pathe Cinema SA
Original Assignee
Pathe Cinema SA
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 Pathe Cinema SA filed Critical Pathe Cinema SA
Application granted granted Critical
Publication of FR675865A publication Critical patent/FR675865A/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)
FR675865D 1929-05-28 1929-05-28 Cooling device in cinema projection devices Expired FR675865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR675865T 1929-05-28

Publications (1)

Publication Number Publication Date
FR675865A true FR675865A (en) 1930-02-15

Family

ID=9019565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675865D Expired FR675865A (en) 1929-05-28 1929-05-28 Cooling device in cinema projection devices

Country Status (1)

Country Link
FR (1) FR675865A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610747A (en) * 1968-08-22 1971-10-05 Retention Communication System Cartridge-loaded film strip projector, particularly for narrow film
FR2588098A1 (en) * 1985-10-02 1987-04-03 Dalto Tino Cinematographic analyser/projector with extended frame-freeze and its reproduction device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610747A (en) * 1968-08-22 1971-10-05 Retention Communication System Cartridge-loaded film strip projector, particularly for narrow film
FR2588098A1 (en) * 1985-10-02 1987-04-03 Dalto Tino Cinematographic analyser/projector with extended frame-freeze and its reproduction device

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