FR2372579A7 - Lampe a variation progressive et automatique de luminosite - Google Patents

Lampe a variation progressive et automatique de luminosite

Info

Publication number
FR2372579A7
FR2372579A7 FR7636053A FR7636053A FR2372579A7 FR 2372579 A7 FR2372579 A7 FR 2372579A7 FR 7636053 A FR7636053 A FR 7636053A FR 7636053 A FR7636053 A FR 7636053A FR 2372579 A7 FR2372579 A7 FR 2372579A7
Authority
FR
France
Prior art keywords
capacitor
progressive
resistance
bulb
resistance circuit
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
FR7636053A
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Priority to FR7636053A priority Critical patent/FR2372579A7/fr
Application granted granted Critical
Publication of FR2372579A7 publication Critical patent/FR2372579A7/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

L'invention concerne une lampe à variation de luminosité. La lampe selon l'invention est caractérisée en ce qu'elle comprend un circuit d'alimentation d'une ampoule 5, comportant un élément semi-conducteur 15 programmable dont la gâchette 24 est reliée à une borne 28 d'un condensateur 16 coopérant avec une résistance de charge 29 ou de décharge. Application à la réalisation de lampes de chevet à extinction progressive automatique.
FR7636053A 1976-11-30 1976-11-30 Lampe a variation progressive et automatique de luminosite Expired FR2372579A7 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7636053A FR2372579A7 (fr) 1976-11-30 1976-11-30 Lampe a variation progressive et automatique de luminosite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636053A FR2372579A7 (fr) 1976-11-30 1976-11-30 Lampe a variation progressive et automatique de luminosite

Publications (1)

Publication Number Publication Date
FR2372579A7 true FR2372579A7 (fr) 1978-06-23

Family

ID=9180471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7636053A Expired FR2372579A7 (fr) 1976-11-30 1976-11-30 Lampe a variation progressive et automatique de luminosite

Country Status (1)

Country Link
FR (1) FR2372579A7 (fr)

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Legal Events

Date Code Title Description
ST Notification of lapse