FR43390E - Improvements to electrical devices to produce pulses, especially at low frequencies - Google Patents

Improvements to electrical devices to produce pulses, especially at low frequencies

Info

Publication number
FR43390E
FR43390E FR43390DA FR43390E FR 43390 E FR43390 E FR 43390E FR 43390D A FR43390D A FR 43390DA FR 43390 E FR43390 E FR 43390E
Authority
FR
France
Prior art keywords
electrical devices
low frequencies
produce pulses
pulses
produce
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR43390E publication Critical patent/FR43390E/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
FR43390D 1933-03-22 1933-03-22 Improvements to electrical devices to produce pulses, especially at low frequencies Expired FR43390E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43390T 1933-03-22

Publications (1)

Publication Number Publication Date
FR43390E true FR43390E (en) 1934-05-11

Family

ID=8679364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43390D Expired FR43390E (en) 1933-03-22 1933-03-22 Improvements to electrical devices to produce pulses, especially at low frequencies

Country Status (1)

Country Link
FR (1) FR43390E (en)

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