FR1037652A - High intensity arc lamp for projections - Google Patents

High intensity arc lamp for projections

Info

Publication number
FR1037652A
FR1037652A FR1037652DA FR1037652A FR 1037652 A FR1037652 A FR 1037652A FR 1037652D A FR1037652D A FR 1037652DA FR 1037652 A FR1037652 A FR 1037652A
Authority
FR
France
Prior art keywords
projections
high intensity
arc lamp
intensity arc
lamp
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
Edgar Gretener
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 filed Critical
Application granted granted Critical
Publication of FR1037652A publication Critical patent/FR1037652A/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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2026—Gas discharge type light sources, e.g. arcs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1037652D 1950-03-31 1950-03-31 High intensity arc lamp for projections Expired FR1037652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1037652X 1950-03-31

Publications (1)

Publication Number Publication Date
FR1037652A true FR1037652A (en) 1953-09-22

Family

ID=4554067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1037652D Expired FR1037652A (en) 1950-03-31 1950-03-31 High intensity arc lamp for projections

Country Status (1)

Country Link
FR (1) FR1037652A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809147A (en) * 1983-08-19 1989-02-28 Masataka Negishi Lighting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809147A (en) * 1983-08-19 1989-02-28 Masataka Negishi Lighting device
US4974138A (en) * 1983-08-19 1990-11-27 Masataka Negishi Lighting device

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