FR2345808A1 - Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal - Google Patents

Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal

Info

Publication number
FR2345808A1
FR2345808A1 FR7708456A FR7708456A FR2345808A1 FR 2345808 A1 FR2345808 A1 FR 2345808A1 FR 7708456 A FR7708456 A FR 7708456A FR 7708456 A FR7708456 A FR 7708456A FR 2345808 A1 FR2345808 A1 FR 2345808A1
Authority
FR
France
Prior art keywords
tube
discharge lamp
quartz glass
horizontal
end electrodes
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.)
Granted
Application number
FR7708456A
Other languages
English (en)
French (fr)
Other versions
FR2345808B1 (th
Inventor
W Calvin Gungle
Frederick Koury
William M Keeffe
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Priority to FR7708456A priority Critical patent/FR2345808A1/fr
Publication of FR2345808A1 publication Critical patent/FR2345808A1/fr
Application granted granted Critical
Publication of FR2345808B1 publication Critical patent/FR2345808B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
FR7708456A 1977-03-22 1977-03-22 Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal Granted FR2345808A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7708456A FR2345808A1 (fr) 1977-03-22 1977-03-22 Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7708456A FR2345808A1 (fr) 1977-03-22 1977-03-22 Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal

Publications (2)

Publication Number Publication Date
FR2345808A1 true FR2345808A1 (fr) 1977-10-21
FR2345808B1 FR2345808B1 (th) 1982-08-20

Family

ID=9188388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708456A Granted FR2345808A1 (fr) 1977-03-22 1977-03-22 Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal

Country Status (1)

Country Link
FR (1) FR2345808A1 (th)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011152976A1 (en) * 2010-06-03 2011-12-08 General Electric Company Arc shaped discharge chamber for high intensity discharge automotive lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398799A (en) * 1930-12-20 1933-09-19 British Thomson Houston Co Ltd Improvements in electric discharge lamps
GB457644A (en) * 1935-07-03 1936-12-02 British Thomson Houston Co Ltd Improvements in high pressure metal vapour electric discharge devices
US3858078A (en) * 1973-07-09 1974-12-31 Gte Sylvania Inc Metal halide discharge lamp having an arched arc tube
FR2265175A1 (th) * 1974-03-20 1975-10-17 Thorn Electrical Ind Ltd
FR2321186A1 (fr) * 1975-08-12 1977-03-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lampe a decharge a vapeur de mercure a haute pression destinee a fonctionner en position horizontale

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398799A (en) * 1930-12-20 1933-09-19 British Thomson Houston Co Ltd Improvements in electric discharge lamps
GB457644A (en) * 1935-07-03 1936-12-02 British Thomson Houston Co Ltd Improvements in high pressure metal vapour electric discharge devices
US3858078A (en) * 1973-07-09 1974-12-31 Gte Sylvania Inc Metal halide discharge lamp having an arched arc tube
FR2265175A1 (th) * 1974-03-20 1975-10-17 Thorn Electrical Ind Ltd
FR2321186A1 (fr) * 1975-08-12 1977-03-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lampe a decharge a vapeur de mercure a haute pression destinee a fonctionner en position horizontale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011152976A1 (en) * 2010-06-03 2011-12-08 General Electric Company Arc shaped discharge chamber for high intensity discharge automotive lamp
US8253335B2 (en) 2010-06-03 2012-08-28 General Electric Company Arc shaped discharge chamber for high intensity discharge automotive lamp

Also Published As

Publication number Publication date
FR2345808B1 (th) 1982-08-20

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse