FR1076834A - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage

Info

Publication number
FR1076834A
FR1076834A FR1076834DA FR1076834A FR 1076834 A FR1076834 A FR 1076834A FR 1076834D A FR1076834D A FR 1076834DA FR 1076834 A FR1076834 A FR 1076834A
Authority
FR
France
Prior art keywords
lighting device
lighting
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 FR1076834A publication Critical patent/FR1076834A/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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
FR1076834D 1952-05-12 1953-05-11 Dispositif d'éclairage Expired FR1076834A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1076834X 1952-05-12

Publications (1)

Publication Number Publication Date
FR1076834A true FR1076834A (fr) 1954-10-29

Family

ID=19868450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1076834D Expired FR1076834A (fr) 1952-05-12 1953-05-11 Dispositif d'éclairage

Country Status (1)

Country Link
FR (1) FR1076834A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110810A (en) * 1958-10-30 1963-11-12 Philips Corp Device for optionally switching on either of two filament cathodes of an X-ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110810A (en) * 1958-10-30 1963-11-12 Philips Corp Device for optionally switching on either of two filament cathodes of an X-ray tube

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