FR44178E - 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
FR44178E
FR44178E FR44178DA FR44178E FR 44178 E FR44178 E FR 44178E FR 44178D A FR44178D A FR 44178DA FR 44178 E FR44178 E FR 44178E
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 FR44178E publication Critical patent/FR44178E/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
FR44178D 1933-09-30 1933-09-30 Improvements to electrical devices to produce pulses, especially at low frequencies Expired FR44178E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44178T 1933-09-30

Publications (1)

Publication Number Publication Date
FR44178E true FR44178E (en) 1934-11-20

Family

ID=8680033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44178D Expired FR44178E (en) 1933-09-30 1933-09-30 Improvements to electrical devices to produce pulses, especially at low frequencies

Country Status (1)

Country Link
FR (1) FR44178E (en)

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