AU459873B2 - Improvements in discharge lamps - Google Patents

Improvements in discharge lamps

Info

Publication number
AU459873B2
AU459873B2 AU42776/72A AU4277672A AU459873B2 AU 459873 B2 AU459873 B2 AU 459873B2 AU 42776/72 A AU42776/72 A AU 42776/72A AU 4277672 A AU4277672 A AU 4277672A AU 459873 B2 AU459873 B2 AU 459873B2
Authority
AU
Australia
Prior art keywords
discharge lamps
lamps
discharge
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
AU42776/72A
Other versions
AU4277672A (en
Inventor
FREDERICK FURMIDGE and ERIC JOHN GEORGE BEESON KENNETH
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries 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 Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of AU4277672A publication Critical patent/AU4277672A/en
Application granted granted Critical
Publication of AU459873B2 publication Critical patent/AU459873B2/en
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
    • H01J61/02—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
AU42776/72A 1971-05-25 1972-05-25 Improvements in discharge lamps Expired AU459873B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1703171A GB1360022A (en) 1971-05-25 1971-05-25 Discharge lamps
GBGB17031/71 1971-05-25

Publications (2)

Publication Number Publication Date
AU4277672A AU4277672A (en) 1973-11-29
AU459873B2 true AU459873B2 (en) 1975-04-10

Family

ID=10087986

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42776/72A Expired AU459873B2 (en) 1971-05-25 1972-05-25 Improvements in discharge lamps

Country Status (7)

Country Link
AU (1) AU459873B2 (en)
CA (1) CA959914A (en)
DE (2) DE2225223C3 (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
GB2182486B (en) * 1985-10-04 1990-06-06 Ushio Electric Inc Magnesium and iron vapor discharge lamp
GB2183085A (en) * 1985-10-04 1987-05-28 Ushio Electric Inc Iron vapor discharge lamp

Also Published As

Publication number Publication date
DE2265321C3 (en) 1982-09-30
DE2225223A1 (en) 1972-12-07
ZA723378B (en) 1973-02-28
DE2225223B2 (en) 1977-07-14
DE2225223C3 (en) 1978-03-16
AU4277672A (en) 1973-11-29
NL157748B (en) 1978-08-15
NL7207009A (en) 1972-11-28
GB1360022A (en) 1974-07-17
DE2265321B2 (en) 1980-08-28
CA959914A (en) 1974-12-24
IT955808B (en) 1973-09-29
DE2265321A1 (en) 1977-06-16

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