FR945721A - Perfectionnements aux projecteurs lumineux - Google Patents

Perfectionnements aux projecteurs lumineux

Info

Publication number
FR945721A
FR945721A FR945721DA FR945721A FR 945721 A FR945721 A FR 945721A FR 945721D A FR945721D A FR 945721DA FR 945721 A FR945721 A FR 945721A
Authority
FR
France
Prior art keywords
projectors
illuminated
illuminated projectors
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.)
Maison Breguet SA
Original Assignee
Maison Breguet 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 Maison Breguet SA filed Critical Maison Breguet SA
Application granted granted Critical
Publication of FR945721A publication Critical patent/FR945721A/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
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR945721D 1947-04-11 1947-04-11 Perfectionnements aux projecteurs lumineux Expired FR945721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR945721T 1947-04-11

Publications (1)

Publication Number Publication Date
FR945721A true FR945721A (fr) 1949-05-12

Family

ID=9472457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945721D Expired FR945721A (fr) 1947-04-11 1947-04-11 Perfectionnements aux projecteurs lumineux

Country Status (1)

Country Link
FR (1) FR945721A (fr)

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