FR321954A - Improvements in electric lamps - Google Patents

Improvements in electric lamps

Info

Publication number
FR321954A
FR321954A FR321954DA FR321954A FR 321954 A FR321954 A FR 321954A FR 321954D A FR321954D A FR 321954DA FR 321954 A FR321954 A FR 321954A
Authority
FR
France
Prior art keywords
electric lamps
lamps
electric
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR321954A publication Critical patent/FR321954A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/22Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps having an auxiliary starting electrode
FR321954D 1902-04-15 1902-04-15 Improvements in electric lamps Expired FR321954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR321954T 1902-04-15

Publications (1)

Publication Number Publication Date
FR321954A true FR321954A (en) 1903-01-23

Family

ID=1372348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR321954D Expired FR321954A (en) 1902-04-15 1902-04-15 Improvements in electric lamps

Country Status (1)

Country Link
FR (1) FR321954A (en)

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