FR820866A - Method and devices for powering incandescent lamps - Google Patents

Method and devices for powering incandescent lamps

Info

Publication number
FR820866A
FR820866A FR820866DA FR820866A FR 820866 A FR820866 A FR 820866A FR 820866D A FR820866D A FR 820866DA FR 820866 A FR820866 A FR 820866A
Authority
FR
France
Prior art keywords
powering
devices
incandescent lamps
incandescent
lamps
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.)
MIRAKEL VERTRIEB TECH ARTIKEL
Original Assignee
MIRAKEL VERTRIEB TECH ARTIKEL
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 MIRAKEL VERTRIEB TECH ARTIKEL filed Critical MIRAKEL VERTRIEB TECH ARTIKEL
Application granted granted Critical
Publication of FR820866A publication Critical patent/FR820866A/en
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
    • H05B39/09—Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses
FR820866D 1937-02-05 1937-04-20 Method and devices for powering incandescent lamps Expired FR820866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT820866X 1937-02-05

Publications (1)

Publication Number Publication Date
FR820866A true FR820866A (en) 1937-11-20

Family

ID=3681591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820866D Expired FR820866A (en) 1937-02-05 1937-04-20 Method and devices for powering incandescent lamps

Country Status (1)

Country Link
FR (1) FR820866A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432104A (en) * 1945-03-10 1947-12-09 Photoswitch Inc System of light modulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432104A (en) * 1945-03-10 1947-12-09 Photoswitch Inc System of light modulation

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