FR837223A - Appareil de projection perfectionné - Google Patents

Appareil de projection perfectionné

Info

Publication number
FR837223A
FR837223A FR837223DA FR837223A FR 837223 A FR837223 A FR 837223A FR 837223D A FR837223D A FR 837223DA FR 837223 A FR837223 A FR 837223A
Authority
FR
France
Prior art keywords
projection device
advanced projection
advanced
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
Other languages
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR837223A publication Critical patent/FR837223A/fr
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)
FR837223D 1937-04-27 1938-04-27 Appareil de projection perfectionné Expired FR837223A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US837223XA 1937-04-27 1937-04-27

Publications (1)

Publication Number Publication Date
FR837223A true FR837223A (fr) 1939-02-06

Family

ID=22180255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837223D Expired FR837223A (fr) 1937-04-27 1938-04-27 Appareil de projection perfectionné

Country Status (1)

Country Link
FR (1) FR837223A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093587B (de) * 1958-04-28 1960-11-24 Erich Zillmer Bildwerfergehaeuse mit Kuehllufterzeuger und seitlich neben dem Lampengehaeuse in Richtung der optischen Achse verschiebbarem Bildmagazin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093587B (de) * 1958-04-28 1960-11-24 Erich Zillmer Bildwerfergehaeuse mit Kuehllufterzeuger und seitlich neben dem Lampengehaeuse in Richtung der optischen Achse verschiebbarem Bildmagazin

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