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CH374764A - Elektrische Niederdruckmetalldampf-Lichtbogenentladungslampe - Google Patents

Elektrische Niederdruckmetalldampf-Lichtbogenentladungslampe

Info

Publication number
CH374764A
CH374764A CH7289459A CH7289459A CH374764A CH 374764 A CH374764 A CH 374764A CH 7289459 A CH7289459 A CH 7289459A CH 7289459 A CH7289459 A CH 7289459A CH 374764 A CH374764 A CH 374764A
Authority
CH
Switzerland
Prior art keywords
low
discharge lamp
electric arc
arc discharge
pressure metal
Prior art date
Application number
CH7289459A
Other languages
English (en)
Inventor
Frederick Weston Robert
Original Assignee
A E I Lamp And Lighting Compan
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 A E I Lamp And Lighting Compan filed Critical A E I Lamp And Lighting Compan
Publication of CH374764A publication Critical patent/CH374764A/de

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
    • H01J61/30—Vessels; Containers
    • H01J61/33—Special shape of cross-section, e.g. for producing cool spot
    • 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
    • H01J61/045—Thermic screens or reflectors
    • 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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • 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
CH7289459A 1958-05-06 1959-05-05 Elektrische Niederdruckmetalldampf-Lichtbogenentladungslampe CH374764A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1447358A GB923961A (en) 1958-05-06 1958-05-06 Improvements relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
CH374764A true CH374764A (de) 1964-01-31

Family

ID=10041822

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7289459A CH374764A (de) 1958-05-06 1959-05-05 Elektrische Niederdruckmetalldampf-Lichtbogenentladungslampe

Country Status (5)

Country Link
CH (1) CH374764A (de)
DE (1) DE1211715B (de)
ES (1) ES249153A1 (de)
GB (1) GB923961A (de)
NL (2) NL113900C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1246653A (en) * 1984-08-20 1988-12-13 William M. Keeffe Low wattage metal halide lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE613900C (de) * 1933-06-27 1935-05-28 Patra Patent Treuhand Doppelwandige elektrische Leuchtroehre
DE616073C (de) * 1933-06-27 1935-07-19 Patra Patent Treuhand Doppelwandige, elektrische Leuchtroehre
GB456531A (en) * 1935-05-10 1936-11-10 Gen Electric Co Ltd Improvements in electric discharge devices
US2135480A (en) * 1936-08-26 1938-11-08 Birdseye Electric Company Reflecting glow lamp
FR861799A (fr) * 1938-11-26 1941-02-17 Lampes Sa Perfectionnements aux dispositifs à décharge lumineuse
AT196504B (de) * 1954-12-14 1958-03-25 Gen Electric Entladungslampe
FR1118195A (fr) * 1955-01-24 1956-06-01 Tachymètre différentiel
DE1736195U (de) * 1955-10-18 1956-12-20 Philips Nv Elektrische entladungsroehre.

Also Published As

Publication number Publication date
ES249153A1 (es) 1959-10-01
DE1211715B (de) 1966-03-03
GB923961A (en) 1963-04-18
NL113900C (de)
NL238974A (de)

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