FR17484E - Projection device - Google Patents

Projection device

Info

Publication number
FR17484E
FR17484E FR17484DA FR17484E FR 17484 E FR17484 E FR 17484E FR 17484D A FR17484D A FR 17484DA FR 17484 E FR17484 E FR 17484E
Authority
FR
France
Prior art keywords
projection device
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
French (fr)
Inventor
Franz Jakob Hering
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR17484E publication Critical patent/FR17484E/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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR17484D 1912-10-14 1913-04-07 Projection device Expired FR17484E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR452545T 1912-10-14
FR17484T 1913-04-07

Publications (1)

Publication Number Publication Date
FR17484E true FR17484E (en) 1913-09-20

Family

ID=1358964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17484D Expired FR17484E (en) 1912-10-14 1913-04-07 Projection device

Country Status (1)

Country Link
FR (1) FR17484E (en)

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