FR2029351A1 - - Google Patents

Info

Publication number
FR2029351A1
FR2029351A1 FR6900950A FR6900950A FR2029351A1 FR 2029351 A1 FR2029351 A1 FR 2029351A1 FR 6900950 A FR6900950 A FR 6900950A FR 6900950 A FR6900950 A FR 6900950A FR 2029351 A1 FR2029351 A1 FR 2029351A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6900950A
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.)
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
Priority to FR6900950A priority Critical patent/FR2029351A1/fr
Publication of FR2029351A1 publication Critical patent/FR2029351A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • 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)
FR6900950A 1969-01-20 1969-01-20 Withdrawn FR2029351A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6900950A FR2029351A1 (de) 1969-01-20 1969-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6900950A FR2029351A1 (de) 1969-01-20 1969-01-20

Publications (1)

Publication Number Publication Date
FR2029351A1 true FR2029351A1 (de) 1970-10-23

Family

ID=9028007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6900950A Withdrawn FR2029351A1 (de) 1969-01-20 1969-01-20

Country Status (1)

Country Link
FR (1) FR2029351A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3152342C1 (de) * 1980-09-11 1987-02-19 Elger Elektro Neon Schaltungsanordnung fuer den Betrieb von Gasentladungslampen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3152342C1 (de) * 1980-09-11 1987-02-19 Elger Elektro Neon Schaltungsanordnung fuer den Betrieb von Gasentladungslampen

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Legal Events

Date Code Title Description
ST Notification of lapse