GB1360022A - Discharge lamps - Google Patents

Discharge lamps

Info

Publication number
GB1360022A
GB1360022A GB1703171A GB1703171A GB1360022A GB 1360022 A GB1360022 A GB 1360022A GB 1703171 A GB1703171 A GB 1703171A GB 1703171 A GB1703171 A GB 1703171A GB 1360022 A GB1360022 A GB 1360022A
Authority
GB
United Kingdom
Prior art keywords
mercury
magnesium
range
discharge lamps
yttrium
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
GB1703171A
Other languages
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.)
Thorn Electrical Industries 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
Priority to GB1703171A priority Critical patent/GB1360022A/en
Priority to CA142,096A priority patent/CA959914A/en
Priority to ZA723378A priority patent/ZA723378B/xx
Priority to DE2225223A priority patent/DE2225223C3/de
Priority to DE2265321A priority patent/DE2265321C3/de
Priority to IT24783/72A priority patent/IT955808B/it
Priority to NL7207009.A priority patent/NL157748B/xx
Priority to AU42776/72A priority patent/AU459873B2/en
Priority to CA201,200A priority patent/CA959913A/en
Publication of GB1360022A publication Critical patent/GB1360022A/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

Landscapes

  • Discharge Lamp (AREA)
GB1703171A 1971-05-25 1971-05-25 Discharge lamps Expired GB1360022A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB1703171A GB1360022A (en) 1971-05-25 1971-05-25 Discharge lamps
CA142,096A CA959914A (en) 1971-05-25 1972-05-15 Discharge lamps
ZA723378A ZA723378B (en) 1971-05-25 1972-05-17 Improvements in discharge lamps
DE2225223A DE2225223C3 (de) 1971-05-25 1972-05-24 Ultraviolettlicht aussendende Quecksilberdampflampe
DE2265321A DE2265321C3 (de) 1971-05-25 1972-05-24 Ultraviolettlicht aussendende Quecksilberdampflampe
IT24783/72A IT955808B (it) 1971-05-25 1972-05-24 Lampada a scarica a vapori di mercurio
NL7207009.A NL157748B (nl) 1971-05-25 1972-05-24 Kwikdampontladingslamp en werkwijze voor het vervaardigen daarvan.
AU42776/72A AU459873B2 (en) 1971-05-25 1972-05-25 Improvements in discharge lamps
CA201,200A CA959913A (en) 1971-05-25 1974-05-30 Discharge lamps

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
GB1360022A true GB1360022A (en) 1974-07-17

Family

ID=10087986

Family Applications (1)

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

Country Status (7)

Country Link
AU (1) AU459873B2 (de)
CA (1) CA959914A (de)
DE (2) DE2225223C3 (de)
GB (1) GB1360022A (de)
IT (1) IT955808B (de)
NL (1) NL157748B (de)
ZA (1) ZA723378B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182486A (en) * 1985-10-04 1987-05-13 Ushio Electric Inc Magnesium vapor discharge lamp
GB2183085A (en) * 1985-10-04 1987-05-28 Ushio Electric Inc Iron vapor discharge lamp

Families Citing this family (3)

* 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 (nl) * 1977-11-02 1979-05-04 Philips Nv Lagedrukkwikdampontladingslamp.
GB2050691B (en) * 1978-12-28 1983-07-20 Mitsubishi Electric Corp Metal-vapor discharge lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182486A (en) * 1985-10-04 1987-05-13 Ushio Electric Inc Magnesium 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
DE2265321B2 (de) 1980-08-28
IT955808B (it) 1973-09-29
DE2225223A1 (de) 1972-12-07
AU459873B2 (en) 1975-04-10
CA959914A (en) 1974-12-24
NL7207009A (de) 1972-11-28
ZA723378B (en) 1973-02-28
DE2225223B2 (de) 1977-07-14
DE2265321A1 (de) 1977-06-16
AU4277672A (en) 1973-11-29
DE2265321C3 (de) 1982-09-30
NL157748B (nl) 1978-08-15
DE2225223C3 (de) 1978-03-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee