DK138969B - Electric high pressure discharge lamp. - Google Patents

Electric high pressure discharge lamp.

Info

Publication number
DK138969B
DK138969B DK36374AA DK36374A DK138969B DK 138969 B DK138969 B DK 138969B DK 36374A A DK36374A A DK 36374AA DK 36374 A DK36374 A DK 36374A DK 138969 B DK138969 B DK 138969B
Authority
DK
Denmark
Prior art keywords
high pressure
discharge lamp
pressure discharge
electric high
electric
Prior art date
Application number
DK36374AA
Other languages
Danish (da)
Other versions
DK138969C (en
Inventor
Alan George Chalmers
David Osborn Wharmby
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 DK138969B publication Critical patent/DK138969B/en
Application granted granted Critical
Publication of DK138969C publication Critical patent/DK138969C/da

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
DK36374AA 1973-01-23 1974-01-23 Electric high pressure discharge lamp. DK138969B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB346973A GB1444023A (en) 1973-01-23 1973-01-23 Electric discharge lamps

Publications (2)

Publication Number Publication Date
DK138969B true DK138969B (en) 1978-11-20
DK138969C DK138969C (en) 1979-05-28

Family

ID=9758912

Family Applications (1)

Application Number Title Priority Date Filing Date
DK36374AA DK138969B (en) 1973-01-23 1974-01-23 Electric high pressure discharge lamp.

Country Status (14)

Country Link
US (1) US3867664A (en)
JP (1) JPS5837662B2 (en)
BE (1) BE810033A (en)
CA (1) CA988988A (en)
DE (1) DE2402760C3 (en)
DK (1) DK138969B (en)
FR (1) FR2214968B1 (en)
GB (1) GB1444023A (en)
IE (1) IE38771B1 (en)
IT (1) IT1003493B (en)
LU (1) LU69211A1 (en)
NL (1) NL182925C (en)
SE (1) SE383228B (en)
ZA (1) ZA74411B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422411A1 (en) * 1974-05-09 1975-12-11 Philips Patentverwaltung HIGH PRESSURE MERCURY VAPOR DISCHARGE LAMP
US4135110A (en) * 1975-02-13 1979-01-16 Thorn Electrical Industries Limited Electrical discharge lamp
DE2826733C2 (en) * 1977-07-05 1982-07-29 General Electric Co., Schenectady, N.Y. High pressure metal halide discharge lamp
GB2133925B (en) * 1982-12-29 1987-02-18 Gen Electric Control of radial distributions in high intensity discharge lamps
US4591759A (en) * 1984-09-10 1986-05-27 General Electric Company Ingredients for solenoidal metal halide arc lamps
US4705987A (en) * 1985-10-03 1987-11-10 The United States Of America As Represented By The United States Department Of Energy Very high efficacy electrodeless high intensity discharge lamps
US6157141A (en) * 1998-05-05 2000-12-05 Osram Sylvania Inc. Blue light electrodeless high intensity discharge lamp system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102866A5 (en) * 1970-08-27 1972-04-07 Eclairage Lab
US3771009A (en) * 1971-12-27 1973-11-06 Gte Laboratories Inc Electrode discharge device with electrode-activating fill

Also Published As

Publication number Publication date
IE38771L (en) 1974-07-23
GB1444023A (en) 1976-07-28
JPS5837662B2 (en) 1983-08-17
LU69211A1 (en) 1974-04-08
ZA74411B (en) 1974-11-27
SE383228B (en) 1976-03-01
CA988988A (en) 1976-05-11
NL182925C (en) 1988-06-01
NL7400944A (en) 1974-07-25
FR2214968B1 (en) 1978-10-27
AU6481974A (en) 1975-07-24
IE38771B1 (en) 1978-05-24
DK138969C (en) 1979-05-28
BE810033A (en) 1974-05-16
US3867664A (en) 1975-02-18
FR2214968A1 (en) 1974-08-19
DE2402760A1 (en) 1974-07-25
DE2402760C3 (en) 1980-01-31
JPS49104479A (en) 1974-10-03
DE2402760B2 (en) 1979-05-31
IT1003493B (en) 1976-06-10

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