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FR2389230A1 - LOW PRESSURE GAS AND / OR STEAM DISCHARGE LAMP - Google Patents

LOW PRESSURE GAS AND / OR STEAM DISCHARGE LAMP

Info

Publication number
FR2389230A1
FR2389230A1 FR7812174A FR7812174A FR2389230A1 FR 2389230 A1 FR2389230 A1 FR 2389230A1 FR 7812174 A FR7812174 A FR 7812174A FR 7812174 A FR7812174 A FR 7812174A FR 2389230 A1 FR2389230 A1 FR 2389230A1
Authority
FR
France
Prior art keywords
discharge lamp
low pressure
pressure gas
steam discharge
discharge
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
FR7812174A
Other languages
French (fr)
Other versions
FR2389230B1 (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.)
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2389230A1 publication Critical patent/FR2389230A1/en
Application granted granted Critical
Publication of FR2389230B1 publication Critical patent/FR2389230B1/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
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge Lamp (AREA)

Abstract

Lampe à décharge dans la vapeur et/ou dans le gaz à basse pression dont l'enceinte à déc arge contient localement un corps en substance solide présentant une structure ténue perméable à la décharge et servant à augmenter localement la température dans l'enceinte à décharge.Low-pressure vapor and / or gas discharge lamp, the discharge chamber of which locally contains a body of solid substance having a fine structure permeable to discharge and serving to locally increase the temperature in the discharge chamber .

FR7812174A 1977-04-27 1978-04-25 LOW PRESSURE GAS AND / OR STEAM DISCHARGE LAMP Granted FR2389230A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704582A NL7704582A (en) 1977-04-27 1977-04-27 LOW-PRESSURE GAS AND / OR VAPOR DISCHARGE LAMP.

Publications (2)

Publication Number Publication Date
FR2389230A1 true FR2389230A1 (en) 1978-11-24
FR2389230B1 FR2389230B1 (en) 1982-03-26

Family

ID=19828444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812174A Granted FR2389230A1 (en) 1977-04-27 1978-04-25 LOW PRESSURE GAS AND / OR STEAM DISCHARGE LAMP

Country Status (7)

Country Link
JP (1) JPS53135188A (en)
BE (1) BE866348A (en)
DE (1) DE2816368A1 (en)
FR (1) FR2389230A1 (en)
GB (1) GB1587988A (en)
IT (1) IT1095310B (en)
NL (1) NL7704582A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561282A (en) * 1942-11-24 1944-05-12 Siemens Electric Lamps & Suppl Improvements relating to metal vapour electric discharge lamps

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561282A (en) * 1942-11-24 1944-05-12 Siemens Electric Lamps & Suppl Improvements relating to metal vapour electric discharge lamps

Also Published As

Publication number Publication date
IT1095310B (en) 1985-08-10
DE2816368A1 (en) 1978-11-02
GB1587988A (en) 1981-04-15
NL7704582A (en) 1978-10-31
IT7822664A0 (en) 1978-04-24
FR2389230B1 (en) 1982-03-26
JPS53135188A (en) 1978-11-25
BE866348A (en) 1978-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse