FR27508E - Lampe de projection - Google Patents

Lampe de projection

Info

Publication number
FR27508E
FR27508E FR27508DA FR27508E FR 27508 E FR27508 E FR 27508E FR 27508D A FR27508D A FR 27508DA FR 27508 E FR27508 E FR 27508E
Authority
FR
France
Prior art keywords
projection lamp
lamp
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.)
Ritter & Uhlmann
Original Assignee
Ritter & Uhlmann
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 Ritter & Uhlmann filed Critical Ritter & Uhlmann
Application granted granted Critical
Publication of FR27508E publication Critical patent/FR27508E/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)
FR27508D 1923-02-28 1923-02-28 Lampe de projection Expired FR27508E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27508T 1923-02-28

Publications (1)

Publication Number Publication Date
FR27508E true FR27508E (fr) 1924-07-28

Family

ID=8665814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27508D Expired FR27508E (fr) 1923-02-28 1923-02-28 Lampe de projection

Country Status (1)

Country Link
FR (1) FR27508E (fr)

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