FR1516912A - Lighting device for projection devices - Google Patents

Lighting device for projection devices

Info

Publication number
FR1516912A
FR1516912A FR90438A FR90438A FR1516912A FR 1516912 A FR1516912 A FR 1516912A FR 90438 A FR90438 A FR 90438A FR 90438 A FR90438 A FR 90438A FR 1516912 A FR1516912 A FR 1516912A
Authority
FR
France
Prior art keywords
lighting device
projection devices
projection
devices
lighting
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
FR90438A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL6600242A external-priority patent/NL6600242A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR90438A priority Critical patent/FR1516912A/en
Application granted granted Critical
Publication of FR1516912A publication Critical patent/FR1516912A/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)
FR90438A 1966-01-08 1967-01-09 Lighting device for projection devices Expired FR1516912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR90438A FR1516912A (en) 1966-01-08 1967-01-09 Lighting device for projection devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6600242A NL6600242A (en) 1966-01-08 1966-01-08
FR90438A FR1516912A (en) 1966-01-08 1967-01-09 Lighting device for projection devices

Publications (1)

Publication Number Publication Date
FR1516912A true FR1516912A (en) 1968-02-05

Family

ID=26174498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR90438A Expired FR1516912A (en) 1966-01-08 1967-01-09 Lighting device for projection devices

Country Status (1)

Country Link
FR (1) FR1516912A (en)

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