FR768850A - Incandescent electric lamp or electric discharge tube - Google Patents

Incandescent electric lamp or electric discharge tube

Info

Publication number
FR768850A
FR768850A FR768850DA FR768850A FR 768850 A FR768850 A FR 768850A FR 768850D A FR768850D A FR 768850DA FR 768850 A FR768850 A FR 768850A
Authority
FR
France
Prior art keywords
electric
discharge tube
incandescent
lamp
electric discharge
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR768850A publication Critical patent/FR768850A/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
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/46—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes silicones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
FR768850D 1933-03-02 1934-02-19 Incandescent electric lamp or electric discharge tube Expired FR768850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE434123X 1933-03-02

Publications (1)

Publication Number Publication Date
FR768850A true FR768850A (en) 1934-08-14

Family

ID=6504101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768850D Expired FR768850A (en) 1933-03-02 1934-02-19 Incandescent electric lamp or electric discharge tube

Country Status (3)

Country Link
FR (1) FR768850A (en)
GB (1) GB434123A (en)
NL (2) NL64656C (en)

Also Published As

Publication number Publication date
NL64656C (en)
GB434123A (en) 1935-08-22
NL37153C (en)

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