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FR1131455A - Lampe à incandescence pour l'éclairage d'automobiles - Google Patents

Lampe à incandescence pour l'éclairage d'automobiles

Info

Publication number
FR1131455A
FR1131455A FR1131455DA FR1131455A FR 1131455 A FR1131455 A FR 1131455A FR 1131455D A FR1131455D A FR 1131455DA FR 1131455 A FR1131455 A FR 1131455A
Authority
FR
France
Prior art keywords
incandescent lamp
automotive lighting
automotive
lighting
incandescent
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
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
Application granted granted Critical
Publication of FR1131455A publication Critical patent/FR1131455A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2823Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K7/00Lamps for purposes other than general lighting
    • H01K7/02Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
    • H01K9/08Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
FR1131455D 1954-02-13 1955-02-11 Lampe à incandescence pour l'éclairage d'automobiles Expired FR1131455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL185121 1954-02-13

Publications (1)

Publication Number Publication Date
FR1131455A true FR1131455A (fr) 1957-02-21

Family

ID=32589033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131455D Expired FR1131455A (fr) 1954-02-13 1955-02-11 Lampe à incandescence pour l'éclairage d'automobiles

Country Status (4)

Country Link
BE (1) BE535679A (fr)
DE (1) DE1716382U (fr)
ES (1) ES220042A1 (fr)
FR (1) FR1131455A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084835B (de) * 1958-02-13 1960-07-07 Bosch Gmbh Robert Zweifadengluehlampe fuer Scheinwerfer von Kraftfahrzeugen
FR2549577A1 (fr) * 1983-07-18 1985-01-25 Rossi Dante Lampe code anti-eblouissement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090318B (de) * 1957-08-16 1960-10-06 Franz Lollert Scheinwerfergluehlampe fuer blendfreies Fern- und Nahlicht, insbesondere fuer Kraftfahrzeuge
DE1237684B (de) * 1958-04-18 1967-03-30 Albert Masseron Gluehlampe fuer Scheinwerfer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084835B (de) * 1958-02-13 1960-07-07 Bosch Gmbh Robert Zweifadengluehlampe fuer Scheinwerfer von Kraftfahrzeugen
FR2549577A1 (fr) * 1983-07-18 1985-01-25 Rossi Dante Lampe code anti-eblouissement

Also Published As

Publication number Publication date
ES220042A1 (es) 1955-12-16
BE535679A (fr) 1958-12-19
DE1716382U (de) 1956-02-09

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