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ES468859A1 - Incandescent lamp - Google Patents

Incandescent lamp

Info

Publication number
ES468859A1
ES468859A1 ES468859A ES468859A ES468859A1 ES 468859 A1 ES468859 A1 ES 468859A1 ES 468859 A ES468859 A ES 468859A ES 468859 A ES468859 A ES 468859A ES 468859 A1 ES468859 A1 ES 468859A1
Authority
ES
Spain
Prior art keywords
incandescent lamp
portions
adjacent
lamp
ampule
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
ES468859A
Other languages
Spanish (es)
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 ES468859A1 publication Critical patent/ES468859A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape

Landscapes

  • Resistance Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Electric Stoves And Ranges (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

An improved electric incandescent lamp having a hermetically sealed vacuum sealed lamp ampule through the wall from which current conductors are led to at least one helically wound filament consisting of several linearly stretched parts, the adjacent portions of the which enclose an angle of at most 45º and are supported at the point of transition from one part to the other, characterized in that the adjacent filament portions have different resonance frequencies. (Machine-translation by Google Translate, not legally binding)
ES468859A 1977-04-18 1978-04-15 Incandescent lamp Expired ES468859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704182A NL7704182A (en) 1977-04-18 1977-04-18 ELECTRIC LIGHT BULB.

Publications (1)

Publication Number Publication Date
ES468859A1 true ES468859A1 (en) 1978-11-16

Family

ID=19828373

Family Applications (1)

Application Number Title Priority Date Filing Date
ES468859A Expired ES468859A1 (en) 1977-04-18 1978-04-15 Incandescent lamp

Country Status (7)

Country Link
JP (1) JPS53129474A (en)
BE (1) BE866050A (en)
DE (1) DE2814823A1 (en)
ES (1) ES468859A1 (en)
FR (1) FR2388407A1 (en)
IT (1) IT1094149B (en)
NL (1) NL7704182A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7902016A (en) * 1979-03-14 1980-09-16 Philips Nv ELECTRIC LIGHT BULB.
US4743803A (en) * 1987-05-15 1988-05-10 General Electric Company General service tungsten-halogen incandescent lamp having improved filament shock resistance
WO2007132749A1 (en) * 2006-05-16 2007-11-22 Panasonic Corporation Bulb, bulb with reflector, and lighting device
WO2008004540A1 (en) * 2006-07-03 2008-01-10 Panasonic Corporation Bulb, bulb with reflector, and illumination device
JP2008016206A (en) * 2006-07-03 2008-01-24 Matsushita Electric Ind Co Ltd Bulb, bulb with reflecting mirror, and lighting system

Also Published As

Publication number Publication date
BE866050A (en) 1978-10-17
IT7822333A0 (en) 1978-04-14
DE2814823A1 (en) 1978-10-19
FR2388407A1 (en) 1978-11-17
JPS53129474A (en) 1978-11-11
NL7704182A (en) 1978-10-20
IT1094149B (en) 1985-07-26

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