ZA723378B - Improvements in discharge lamps - Google Patents

Improvements in discharge lamps

Info

Publication number
ZA723378B
ZA723378B ZA723378A ZA723378A ZA723378B ZA 723378 B ZA723378 B ZA 723378B ZA 723378 A ZA723378 A ZA 723378A ZA 723378 A ZA723378 A ZA 723378A ZA 723378 B ZA723378 B ZA 723378B
Authority
ZA
South Africa
Prior art keywords
discharge lamps
lamps
discharge
Prior art date
Application number
ZA723378A
Inventor
K Furmidge
E Beeson
Original Assignee
Thorn Electrical Ind Ltd
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 Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Publication of ZA723378B publication Critical patent/ZA723378B/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
ZA723378A 1971-05-25 1972-05-17 Improvements in discharge lamps ZA723378B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1703171A GB1360022A (en) 1971-05-25 1971-05-25 Discharge lamps

Publications (1)

Publication Number Publication Date
ZA723378B true ZA723378B (en) 1973-02-28

Family

ID=10087986

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723378A ZA723378B (en) 1971-05-25 1972-05-17 Improvements in discharge lamps

Country Status (7)

Country Link
AU (1) AU459873B2 (en)
CA (1) CA959914A (en)
DE (2) DE2265321C3 (en)
GB (1) GB1360022A (en)
IT (1) IT955808B (en)
NL (1) NL157748B (en)
ZA (1) ZA723378B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1397034A (en) * 1973-07-05 1975-06-11 Thorn Electrical Ind Ltd Discharge lamps
NL7712058A (en) * 1977-11-02 1979-05-04 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
WO1980001436A1 (en) * 1978-12-28 1980-07-10 Mitsubishi Electric Corp Metal-vapor discharge lamp
GB2183085A (en) * 1985-10-04 1987-05-28 Ushio Electric Inc Iron vapor discharge lamp
GB2182486B (en) * 1985-10-04 1990-06-06 Ushio Electric Inc Magnesium and iron vapor discharge lamp

Also Published As

Publication number Publication date
AU4277672A (en) 1973-11-29
AU459873B2 (en) 1975-04-10
CA959914A (en) 1974-12-24
DE2225223C3 (en) 1978-03-16
IT955808B (en) 1973-09-29
NL7207009A (en) 1972-11-28
DE2265321C3 (en) 1982-09-30
GB1360022A (en) 1974-07-17
DE2265321A1 (en) 1977-06-16
DE2225223B2 (en) 1977-07-14
DE2265321B2 (en) 1980-08-28
NL157748B (en) 1978-08-15
DE2225223A1 (en) 1972-12-07

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