GB374466A - Improvements in or relating to electric glow discharge lamps - Google Patents

Improvements in or relating to electric glow discharge lamps

Info

Publication number
GB374466A
GB374466A GB7375/31A GB737531A GB374466A GB 374466 A GB374466 A GB 374466A GB 7375/31 A GB7375/31 A GB 7375/31A GB 737531 A GB737531 A GB 737531A GB 374466 A GB374466 A GB 374466A
Authority
GB
United Kingdom
Prior art keywords
lamp
electric
discharge lamps
filament
march
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
GB7375/31A
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Publication of GB374466A publication Critical patent/GB374466A/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
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Discharge Lamp (AREA)
GB7375/31A 1930-03-21 1931-03-10 Improvements in or relating to electric glow discharge lamps Expired GB374466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US437659A US2199956A (en) 1930-03-21 1930-03-21 Mercury vapor glow lamp

Publications (1)

Publication Number Publication Date
GB374466A true GB374466A (en) 1932-06-10

Family

ID=23737350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7375/31A Expired GB374466A (en) 1930-03-21 1931-03-10 Improvements in or relating to electric glow discharge lamps

Country Status (4)

Country Link
US (1) US2199956A (enrdf_load_stackoverflow)
FR (1) FR713617A (enrdf_load_stackoverflow)
GB (1) GB374466A (enrdf_load_stackoverflow)
NL (1) NL38239C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966968C (de) * 1948-10-02 1957-09-19 Ulrich W Doering Medizinisches Geraet fuer kombinierte Ultraviolett- und Infrarotbestrahlung
US3046444A (en) * 1959-04-28 1962-07-24 Raytheon Co Magnetrons

Also Published As

Publication number Publication date
US2199956A (en) 1940-05-07
FR713617A (fr) 1931-10-30
NL38239C (enrdf_load_stackoverflow)

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