DE1793020U - U-foermige natriumdampf-entladungsroehre. - Google Patents

U-foermige natriumdampf-entladungsroehre.

Info

Publication number
DE1793020U
DE1793020U DE1958N0008880 DEN0008880U DE1793020U DE 1793020 U DE1793020 U DE 1793020U DE 1958N0008880 DE1958N0008880 DE 1958N0008880 DE N0008880 U DEN0008880 U DE N0008880U DE 1793020 U DE1793020 U DE 1793020U
Authority
DE
Germany
Prior art keywords
vessel
cylinder
des
discharge tube
angle
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.)
Expired
Application number
DE1958N0008880
Other languages
German (de)
English (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 DE1793020U publication Critical patent/DE1793020U/de
Expired 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
    • H01J61/70—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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
DE1958N0008880 1957-07-18 1958-07-15 U-foermige natriumdampf-entladungsroehre. Expired DE1793020U (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE1793020U true DE1793020U (de) 1959-08-06

Family

ID=19750932

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1958N0008880 Expired DE1793020U (de) 1957-07-18 1958-07-15 U-foermige natriumdampf-entladungsroehre.

Country Status (4)

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

Also Published As

Publication number Publication date
CH366597A (de) 1963-01-15
BE569498A (fr)
GB883618A (en) 1961-12-06

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