GB923540A - Improvements in or relating to low-pressure arc discharge tubes - Google Patents

Improvements in or relating to low-pressure arc discharge tubes

Info

Publication number
GB923540A
GB923540A GB242362A GB242362A GB923540A GB 923540 A GB923540 A GB 923540A GB 242362 A GB242362 A GB 242362A GB 242362 A GB242362 A GB 242362A GB 923540 A GB923540 A GB 923540A
Authority
GB
United Kingdom
Prior art keywords
tube
filament
weight
arc discharge
low
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
GB242362A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB923540A publication Critical patent/GB923540A/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
    • H01J61/54Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/545Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
    • 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
    • H01J61/0675Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB242362A 1961-01-26 1962-01-23 Improvements in or relating to low-pressure arc discharge tubes Expired GB923540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL260532 1961-01-26

Publications (1)

Publication Number Publication Date
GB923540A true GB923540A (en) 1963-04-10

Family

ID=19752836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB242362A Expired GB923540A (en) 1961-01-26 1962-01-23 Improvements in or relating to low-pressure arc discharge tubes

Country Status (5)

Country Link
DE (1) DE1183172B (enrdf_load_stackoverflow)
ES (1) ES274010A1 (enrdf_load_stackoverflow)
FR (1) FR1312393A (enrdf_load_stackoverflow)
GB (1) GB923540A (enrdf_load_stackoverflow)
NL (2) NL260532A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE545715C (de) * 1929-12-23 1932-03-04 Electricitaets Act Ges Verfahren zur Herstellung von Oxydkathoden
NL32433C (enrdf_load_stackoverflow) * 1929-12-23
GB714429A (en) * 1951-07-16 1954-08-25 Gen Electric Co Ltd Improvements in or relating to thermionic cathodes
DE1057231B (de) * 1956-03-03 1959-05-14 Patra Patent Treuhand Aktivierte Gluehelektrode fuer elektrische Entladungslampen

Also Published As

Publication number Publication date
ES274010A1 (es) 1962-03-16
NL260532A (enrdf_load_stackoverflow)
DE1183172B (de) 1964-12-10
FR1312393A (fr) 1962-12-14
NL134601C (enrdf_load_stackoverflow)

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