JPS56168337A - High pressure electric discarge lamp - Google Patents

High pressure electric discarge lamp

Info

Publication number
JPS56168337A
JPS56168337A JP7200980A JP7200980A JPS56168337A JP S56168337 A JPS56168337 A JP S56168337A JP 7200980 A JP7200980 A JP 7200980A JP 7200980 A JP7200980 A JP 7200980A JP S56168337 A JPS56168337 A JP S56168337A
Authority
JP
Japan
Prior art keywords
filament
starter device
high pressure
lead wires
luminous tube
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.)
Pending
Application number
JP7200980A
Other languages
Japanese (ja)
Inventor
Katsuya Otani
Ryo Suzuki
Keiji Watabe
Masahiro Dobashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7200980A priority Critical patent/JPS56168337A/en
Publication of JPS56168337A publication Critical patent/JPS56168337A/en
Pending legal-status Critical Current

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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To obtain an easy start of electric discharge and decrease the time required for a restart, by providing in the outer surface of a luminous tube end part a heating body for heating at least one of the electrodes provided in both ends of a luminous tube. CONSTITUTION:Main electrodes 2, 3 are arranged in both ends of a luminous tube 1 and a filament 5 consisting of tungsten is connected to the main electrode 2. Then the main electrodes 2, 3 are connected to a starter device 12 through lead wires 8, 9 simultaneously the filament 5 is connected to the starter device through a lead wire 10. When a high pressure mercury vapor lamp, after being once turned off, is restarted, an electric current is allowed to flow in the filament 5 from the starter device 12 through the lead wires 10 and 8 to keep the filament 5 in a heated state, then voltage is applied across the main electrodes 2, 3 from the starter device 12 through the lead wires 8 and 9 to start electric discharge. In this way, temperature of the main electrode can be easily raised to perform easy emission of an electron.
JP7200980A 1980-05-29 1980-05-29 High pressure electric discarge lamp Pending JPS56168337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7200980A JPS56168337A (en) 1980-05-29 1980-05-29 High pressure electric discarge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7200980A JPS56168337A (en) 1980-05-29 1980-05-29 High pressure electric discarge lamp

Publications (1)

Publication Number Publication Date
JPS56168337A true JPS56168337A (en) 1981-12-24

Family

ID=13476977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7200980A Pending JPS56168337A (en) 1980-05-29 1980-05-29 High pressure electric discarge lamp

Country Status (1)

Country Link
JP (1) JPS56168337A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752480A1 (en) * 1996-08-14 1998-02-20 Stanley Electric Co Ltd COLD CATHODE FLUORESCENT LAMP

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752480A1 (en) * 1996-08-14 1998-02-20 Stanley Electric Co Ltd COLD CATHODE FLUORESCENT LAMP

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