IT1025483B - HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP - Google Patents

HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP

Info

Publication number
IT1025483B
IT1025483B IT2917874A IT2917874A IT1025483B IT 1025483 B IT1025483 B IT 1025483B IT 2917874 A IT2917874 A IT 2917874A IT 2917874 A IT2917874 A IT 2917874A IT 1025483 B IT1025483 B IT 1025483B
Authority
IT
Italy
Prior art keywords
high pressure
discharge lamp
vapor discharge
pressure sodium
sodium vapor
Prior art date
Application number
IT2917874A
Other languages
Italian (it)
Original Assignee
Itt
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 Itt filed Critical Itt
Application granted granted Critical
Publication of IT1025483B publication Critical patent/IT1025483B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
IT2917874A 1973-11-21 1974-11-07 HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP IT1025483B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7341377A FR2251912A1 (en) 1973-11-21 1973-11-21 Sodium vapour high-pressure discharge lamp - having internal auxiliary electrode for short ignition discharge path

Publications (1)

Publication Number Publication Date
IT1025483B true IT1025483B (en) 1978-08-10

Family

ID=9128026

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2917874A IT1025483B (en) 1973-11-21 1974-11-07 HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP

Country Status (2)

Country Link
FR (1) FR2251912A1 (en)
IT (1) IT1025483B (en)

Also Published As

Publication number Publication date
FR2251912A1 (en) 1975-06-13
FR2251912B1 (en) 1978-09-08

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