CH501996A - Low pressure gas discharge lamp - Google Patents

Low pressure gas discharge lamp

Info

Publication number
CH501996A
CH501996A CH501969A CH501969A CH501996A CH 501996 A CH501996 A CH 501996A CH 501969 A CH501969 A CH 501969A CH 501969 A CH501969 A CH 501969A CH 501996 A CH501996 A CH 501996A
Authority
CH
Switzerland
Prior art keywords
low pressure
discharge lamp
gas discharge
pressure gas
lamp
Prior art date
Application number
CH501969A
Other languages
German (de)
Inventor
Raymund Almer Friedric Hermann
Koedam Mijndert
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH501996A publication Critical patent/CH501996A/en

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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • 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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
CH501969A 1968-04-04 1969-04-01 Low pressure gas discharge lamp CH501996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6804719A NL6804719A (en) 1968-04-04 1968-04-04

Publications (1)

Publication Number Publication Date
CH501996A true CH501996A (en) 1971-01-15

Family

ID=19803233

Family Applications (1)

Application Number Title Priority Date Filing Date
CH501969A CH501996A (en) 1968-04-04 1969-04-01 Low pressure gas discharge lamp

Country Status (7)

Country Link
BE (1) BE730960A (en)
CH (1) CH501996A (en)
DE (1) DE1915409A1 (en)
FR (1) FR2005579A1 (en)
GB (1) GB1260221A (en)
NL (1) NL6804719A (en)
OA (1) OA03033A (en)

Also Published As

Publication number Publication date
NL6804719A (en) 1969-10-07
BE730960A (en) 1969-10-02
OA03033A (en) 1970-12-15
GB1260221A (en) 1972-01-12
FR2005579A1 (en) 1969-12-12
DE1915409A1 (en) 1969-11-13

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Legal Events

Date Code Title Description
PL Patent ceased