GB479011A - Improvements in or relating to high-pressure metal-vapour discharge tubes - Google Patents

Improvements in or relating to high-pressure metal-vapour discharge tubes

Info

Publication number
GB479011A
GB479011A GB23626/37A GB2362637A GB479011A GB 479011 A GB479011 A GB 479011A GB 23626/37 A GB23626/37 A GB 23626/37A GB 2362637 A GB2362637 A GB 2362637A GB 479011 A GB479011 A GB 479011A
Authority
GB
United Kingdom
Prior art keywords
discharge
electrode
main
electrodes
auxiliary
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
GB23626/37A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB479011A publication Critical patent/GB479011A/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
    • H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel

Landscapes

  • Discharge Lamp (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB23626/37A 1936-09-01 1937-08-28 Improvements in or relating to high-pressure metal-vapour discharge tubes Expired GB479011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN39815D DE681041C (de) 1936-09-01 1936-09-01 Hochdruckmetalldampfentladungsroehre

Publications (1)

Publication Number Publication Date
GB479011A true GB479011A (en) 1938-01-28

Family

ID=6542346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23626/37A Expired GB479011A (en) 1936-09-01 1937-08-28 Improvements in or relating to high-pressure metal-vapour discharge tubes

Country Status (5)

Country Link
US (1) US2135701A (en:Method)
DE (1) DE681041C (en:Method)
FR (1) FR826103A (en:Method)
GB (1) GB479011A (en:Method)
NL (1) NL50279C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754219C (de) * 1938-04-24 1954-03-15 Quarzlampen G M B H Metalldampfhochdrucklampe, insbesondere Quecksilberhochdrucklampe, mit festen, nichtaktivierten Aufheizelektroden

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968579C (de) * 1941-09-02 1958-03-06 Felix Mueller Dr Ing Elektrische Hochdruck-Entladungsroehre fuer Beleuchtungs- und Strahlungszwecke
US3369143A (en) * 1967-02-28 1968-02-13 Westinghouse Electric Corp Instant-start fluorescent lamp having mixed fill gas and improved electrode structure
DE19515592A1 (de) * 1995-05-02 1996-11-07 Walter Holzer Gasentladungslampe mit Schonstart
DE19516049A1 (de) * 1995-05-04 1996-11-07 Walter Holzer Zünd- und Stromversorgungsschaltung für Gasentladungslampen
WO2004068532A2 (en) * 2003-01-30 2004-08-12 Koninklijke Philips Electronics N.V. Fluorescent lamp with a second ballast for dimmed lighting mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754219C (de) * 1938-04-24 1954-03-15 Quarzlampen G M B H Metalldampfhochdrucklampe, insbesondere Quecksilberhochdrucklampe, mit festen, nichtaktivierten Aufheizelektroden

Also Published As

Publication number Publication date
DE681041C (de) 1939-09-13
NL50279C (en:Method) 1941-05-15
FR826103A (fr) 1938-03-23
US2135701A (en) 1938-11-08

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