FR677277A - Appareil de projection épiscopique - Google Patents

Appareil de projection épiscopique

Info

Publication number
FR677277A
FR677277A FR677277DA FR677277A FR 677277 A FR677277 A FR 677277A FR 677277D A FR677277D A FR 677277DA FR 677277 A FR677277 A FR 677277A
Authority
FR
France
Prior art keywords
projection apparatus
episcopic projection
episcopic
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of FR677277A publication Critical patent/FR677277A/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)
FR677277D 1928-06-29 1929-06-24 Appareil de projection épiscopique Expired FR677277A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE677277X 1928-06-29

Publications (1)

Publication Number Publication Date
FR677277A true FR677277A (fr) 1930-03-06

Family

ID=6594078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677277D Expired FR677277A (fr) 1928-06-29 1929-06-24 Appareil de projection épiscopique

Country Status (1)

Country Link
FR (1) FR677277A (fr)

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