CA988988A - Electric discharge devices - Google Patents

Electric discharge devices

Info

Publication number
CA988988A
CA988988A CA190,463A CA190463A CA988988A CA 988988 A CA988988 A CA 988988A CA 190463 A CA190463 A CA 190463A CA 988988 A CA988988 A CA 988988A
Authority
CA
Canada
Prior art keywords
electric discharge
discharge devices
devices
electric
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
CA190,463A
Other languages
English (en)
Other versions
CA190463S (en
Inventor
Alan G. Chalmers
David O. Wharmby
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
Application granted granted Critical
Publication of CA988988A publication Critical patent/CA988988A/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
CA190,463A 1973-01-23 1974-01-18 Electric discharge devices Expired CA988988A (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 (1)

Publication Number Publication Date
CA988988A true CA988988A (en) 1976-05-11

Family

ID=9758912

Family Applications (1)

Application Number Title Priority Date Filing Date
CA190,463A Expired CA988988A (en) 1973-01-23 1974-01-18 Electric discharge devices

Country Status (14)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422411A1 (de) * 1974-05-09 1975-12-11 Philips Patentverwaltung Hochdruckquecksilberdampfentladungslampe
US4135110A (en) * 1975-02-13 1979-01-16 Thorn Electrical Industries Limited Electrical discharge lamp
DE2826733C2 (de) * 1977-07-05 1982-07-29 General Electric Co., Schenectady, N.Y. Hochdruck-Metalldampf-Entladungslampe
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 (it) * 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
US3867664A (en) 1975-02-18
DE2402760C3 (de) 1980-01-31
JPS5837662B2 (ja) 1983-08-17
DK138969C (it) 1979-05-28
IE38771B1 (en) 1978-05-24
DE2402760B2 (de) 1979-05-31
AU6481974A (en) 1975-07-24
NL7400944A (it) 1974-07-25
FR2214968A1 (it) 1974-08-19
GB1444023A (en) 1976-07-28
BE810033A (fr) 1974-05-16
SE383228B (sv) 1976-03-01
DE2402760A1 (de) 1974-07-25
DK138969B (da) 1978-11-20
IT1003493B (it) 1976-06-10
LU69211A1 (it) 1974-04-08
FR2214968B1 (it) 1978-10-27
IE38771L (en) 1974-07-23
ZA74411B (en) 1974-11-27
JPS49104479A (it) 1974-10-03
NL182925C (nl) 1988-06-01

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