JPS579050A - High pressure discharge lamp - Google Patents

High pressure discharge lamp

Info

Publication number
JPS579050A
JPS579050A JP8305680A JP8305680A JPS579050A JP S579050 A JPS579050 A JP S579050A JP 8305680 A JP8305680 A JP 8305680A JP 8305680 A JP8305680 A JP 8305680A JP S579050 A JPS579050 A JP S579050A
Authority
JP
Japan
Prior art keywords
filament
power consumption
light emission
emission tube
starting
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
JP8305680A
Other languages
Japanese (ja)
Inventor
Ryo Suzuki
Keiji Watabe
Masahiro Dobashi
Masato Saito
Katsuya Otani
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 JP8305680A priority Critical patent/JPS579050A/en
Publication of JPS579050A publication Critical patent/JPS579050A/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
    • H01J61/54—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

Landscapes

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

Abstract

PURPOSE:To considerably facilitate the starting of discharge and to shorten the restarting time, by making the power consumption of a resistor when the current is supplied to be specific % of the power consumption when the light emission tube is stably lighted. CONSTITUTION:Required amount of mercury and proper amount of auxiliary starting gas or argon are encapsulated in a silicon light emission tube 1 where main electrodes 2, 3 are arranged at both ends while a filament 5 made of W is connected to the main electrode 2. Main electrodes 2, 3 are connected through each leads 8, 9 to a lighting device 12. The heat producing portion of said filament 5 is shortened such that the power consumption when the power is supplied to the filament is lower than 70% of the power consumption when the light emission tube is stablely lighted, while the filament 5 connected to the main electrode 2 is connected through a lead 10 to the lighting device 12. Consequently, the starting of discharge is considerably facilitated and the restarting time is shortened.
JP8305680A 1980-06-19 1980-06-19 High pressure discharge lamp Pending JPS579050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8305680A JPS579050A (en) 1980-06-19 1980-06-19 High pressure discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8305680A JPS579050A (en) 1980-06-19 1980-06-19 High pressure discharge lamp

Publications (1)

Publication Number Publication Date
JPS579050A true JPS579050A (en) 1982-01-18

Family

ID=13791529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8305680A Pending JPS579050A (en) 1980-06-19 1980-06-19 High pressure discharge lamp

Country Status (1)

Country Link
JP (1) JPS579050A (en)

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