CH366597A - U-shaped sodium vapor discharge tube - Google Patents

U-shaped sodium vapor discharge tube

Info

Publication number
CH366597A
CH366597A CH6179358A CH6179358A CH366597A CH 366597 A CH366597 A CH 366597A CH 6179358 A CH6179358 A CH 6179358A CH 6179358 A CH6179358 A CH 6179358A CH 366597 A CH366597 A CH 366597A
Authority
CH
Switzerland
Prior art keywords
discharge tube
vapor discharge
sodium vapor
shaped sodium
shaped
Prior art date
Application number
CH6179358A
Other languages
German (de)
Inventor
Elenbaas Willem
Rijnders Johannes
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 CH366597A publication Critical patent/CH366597A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/025—Associated optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/325—U-shaped lamps
CH6179358A 1957-07-18 1958-07-15 U-shaped sodium vapor discharge tube CH366597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219119 1957-07-18

Publications (1)

Publication Number Publication Date
CH366597A true CH366597A (en) 1963-01-15

Family

ID=19750932

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6179358A CH366597A (en) 1957-07-18 1958-07-15 U-shaped sodium vapor discharge tube

Country Status (4)

Country Link
BE (1) BE569498A (en)
CH (1) CH366597A (en)
DE (1) DE1793020U (en)
GB (1) GB883618A (en)

Also Published As

Publication number Publication date
BE569498A (en)
DE1793020U (en) 1959-08-06
GB883618A (en) 1961-12-06

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