GB552657A - Improvements in and relating to gaseous electric discharge lamps - Google Patents

Improvements in and relating to gaseous electric discharge lamps

Info

Publication number
GB552657A
GB552657A GB4004/42A GB400442A GB552657A GB 552657 A GB552657 A GB 552657A GB 4004/42 A GB4004/42 A GB 4004/42A GB 400442 A GB400442 A GB 400442A GB 552657 A GB552657 A GB 552657A
Authority
GB
United Kingdom
Prior art keywords
cathode
switch
bimetal
cathodes
lead
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
GB4004/42A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB552657A publication Critical patent/GB552657A/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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/541—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch
    • H01J61/542—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch and an auxiliary electrode inside the vessel

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
GB4004/42A 1941-03-28 1942-03-26 Improvements in and relating to gaseous electric discharge lamps Expired GB552657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US385661A US2313683A (en) 1941-03-28 1941-03-28 Gaseous discharge lamp

Publications (1)

Publication Number Publication Date
GB552657A true GB552657A (en) 1943-04-19

Family

ID=23522346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4004/42A Expired GB552657A (en) 1941-03-28 1942-03-26 Improvements in and relating to gaseous electric discharge lamps

Country Status (3)

Country Link
US (1) US2313683A (enrdf_load_stackoverflow)
GB (1) GB552657A (enrdf_load_stackoverflow)
NL (1) NL58257C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL59720C (enrdf_load_stackoverflow) * 1942-06-16
US3858086A (en) * 1973-10-29 1974-12-31 Gte Sylvania Inc Extended life, double coil incandescent lamp

Also Published As

Publication number Publication date
US2313683A (en) 1943-03-09
NL58257C (enrdf_load_stackoverflow)

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