US1001710A - System of electrical distribution. - Google Patents

System of electrical distribution. Download PDF

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Publication number
US1001710A
US1001710A US1905249520A US1001710A US 1001710 A US1001710 A US 1001710A US 1905249520 A US1905249520 A US 1905249520A US 1001710 A US1001710 A US 1001710A
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US
United States
Prior art keywords
electrical distribution
source
devices
series
mercury vapor
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 - Lifetime
Application number
Inventor
Elihu Thomson
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
Priority to US1905249520 priority Critical patent/US1001710A/en
Application granted granted Critical
Publication of US1001710A publication Critical patent/US1001710A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H05B41/16—Circuit 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
    • H05B41/20—Circuit 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
    • H05B41/23—Circuit 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 not having an auxiliary starting electrode
    • H05B41/232—Circuit 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 not having an auxiliary starting electrode for low-pressure lamps

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  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Description

E. THOMSON.
SYSTEM OF ELECTRICAL DISTRIBUTION APPLICATION FILED MAPUH. 1905 Patented Aug. 29, 1911'.
Witnesses;
invenior- '7. The combination of a source of currenfi, plurality of mercury vapor devices having, a high initial resistance, means receiving current from said source for starting each of said devices While the voltage impressed on each device is higher than the normal opersh'ng' vollege but lower than the full voltage of said source, and means for 0011' meeting said device in series on said source.
8, The combinetion'of a source of -current, a luralii'y of mercury vapor devices,
means for impressing a relatively high voltage on each of said devices to start the same and automatic means for subsequently disposing said devices in. series on said source.
In Witness whereof I have hereunto set my hand (his eighth day of March, 1905;
ELIHU THOMSON. Witnesses JOHN A. MeMANUg-Jn, HENRY O. FESTENDABFI;
US1905249520 1905-03-11 1905-03-11 System of electrical distribution. Expired - Lifetime US1001710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US1905249520 US1001710A (en) 1905-03-11 1905-03-11 System of electrical distribution.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1905249520 US1001710A (en) 1905-03-11 1905-03-11 System of electrical distribution.

Publications (1)

Publication Number Publication Date
US1001710A true US1001710A (en) 1911-08-29

Family

ID=3070035

Family Applications (1)

Application Number Title Priority Date Filing Date
US1905249520 Expired - Lifetime US1001710A (en) 1905-03-11 1905-03-11 System of electrical distribution.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043990A (en) * 1958-09-23 1962-07-10 Cutler Hammer Inc Energizing control system for a plurality of electromagnets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043990A (en) * 1958-09-23 1962-07-10 Cutler Hammer Inc Energizing control system for a plurality of electromagnets

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