GB344497A - Improvements in electric discharge tubes - Google Patents

Improvements in electric discharge tubes

Info

Publication number
GB344497A
GB344497A GB37227/29A GB3722729A GB344497A GB 344497 A GB344497 A GB 344497A GB 37227/29 A GB37227/29 A GB 37227/29A GB 3722729 A GB3722729 A GB 3722729A GB 344497 A GB344497 A GB 344497A
Authority
GB
United Kingdom
Prior art keywords
core
metal
wire
discharge
lamps
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
GB37227/29A
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Priority claimed from US447051A external-priority patent/US2251045A/en
Publication of GB344497A publication Critical patent/GB344497A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/067Main electrodes for low-pressure discharge lamps
    • H01J61/0672Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Discharge Lamp (AREA)
GB37227/29A 1929-06-29 1929-12-04 Improvements in electric discharge tubes Expired GB344497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE344497X 1929-06-29
US447051A US2251045A (en) 1929-06-29 1930-04-24 Gaseous electric discharge device
US606366A US2251046A (en) 1929-06-29 1932-04-20 Gaseous electric discharge device

Publications (1)

Publication Number Publication Date
GB344497A true GB344497A (en) 1931-03-04

Family

ID=32073666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37227/29A Expired GB344497A (en) 1929-06-29 1929-12-04 Improvements in electric discharge tubes

Country Status (4)

Country Link
US (1) US2251046A (enrdf_load_stackoverflow)
BE (1) BE366649A (enrdf_load_stackoverflow)
FR (1) FR687266A (enrdf_load_stackoverflow)
GB (1) GB344497A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464373A (en) * 1941-07-14 1949-03-15 Nat Inv S Corp Fluorescent discharge tube
US2431135A (en) * 1944-03-29 1947-11-18 Westinghouse Electric Corp Apparatus for coating cathodes
US2453118A (en) * 1946-05-08 1948-11-09 Western Union Telegraph Co Concentrated arc discharge device
US2509649A (en) * 1947-06-17 1950-05-30 New England Spectrochemical La Spectrographic treatment of organic materials
US2662196A (en) * 1948-11-04 1953-12-08 Western Union Telegraph Co Concentrated arc lamp
US2670451A (en) * 1950-01-12 1954-02-23 Westinghouse Electric Corp Short arc high-pressure vapor discharge lamp
FR1478565A (fr) * 1966-03-15 1967-04-28 Lampes Sa Perfectionnement aux lampes à décharge électrique renfermant des iodures métalliques dont de l'iodure de sodium

Also Published As

Publication number Publication date
US2251046A (en) 1941-07-29
BE366649A (enrdf_load_stackoverflow)
FR687266A (fr) 1930-08-06

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