GB434404A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB434404A
GB434404A GB10493/35A GB1049335A GB434404A GB 434404 A GB434404 A GB 434404A GB 10493/35 A GB10493/35 A GB 10493/35A GB 1049335 A GB1049335 A GB 1049335A GB 434404 A GB434404 A GB 434404A
Authority
GB
United Kingdom
Prior art keywords
filament
fuse
lamp
auxiliary
electric
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
GB10493/35A
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
Publication of GB434404A publication Critical patent/GB434404A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/06—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in device, e.g. switch, for automatically completing circuit of reserve body

Landscapes

  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB10493/35A 1934-04-10 1935-04-04 Improvements in electric incandescent lamps Expired GB434404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE434404X 1934-04-10

Publications (1)

Publication Number Publication Date
GB434404A true GB434404A (en) 1935-08-30

Family

ID=6505904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10493/35A Expired GB434404A (en) 1934-04-10 1935-04-04 Improvements in electric incandescent lamps

Country Status (4)

Country Link
US (1) US2049338A (enrdf_load_stackoverflow)
FR (1) FR787061A (enrdf_load_stackoverflow)
GB (1) GB434404A (enrdf_load_stackoverflow)
NL (1) NL39929C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448493A (en) * 1946-08-30 1948-08-31 Meno Stanley Joseph Multiple life light bulb
US2518909A (en) * 1947-12-13 1950-08-15 Abraham Krakauer Signal responsive to currentpassage time
US2607900A (en) * 1949-11-03 1952-08-19 Tung Sol Lamp Works Inc Cathode-ray tube
US4580079A (en) * 1980-08-11 1986-04-01 Ronald Koo Multifilament bulb with filament switching device
US4447760A (en) * 1980-08-11 1984-05-08 Ronald Koo Filament switching device
US4382209A (en) * 1980-10-06 1983-05-03 General Electric Company Thermal switch and dual filament long life lamp

Also Published As

Publication number Publication date
US2049338A (en) 1936-07-28
FR787061A (fr) 1935-09-16
NL39929C (enrdf_load_stackoverflow)

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