JPS57158944A - High pressure discharge lamp - Google Patents

High pressure discharge lamp

Info

Publication number
JPS57158944A
JPS57158944A JP4434981A JP4434981A JPS57158944A JP S57158944 A JPS57158944 A JP S57158944A JP 4434981 A JP4434981 A JP 4434981A JP 4434981 A JP4434981 A JP 4434981A JP S57158944 A JPS57158944 A JP S57158944A
Authority
JP
Japan
Prior art keywords
substance
restart
accessory
main electrode
high pressure
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
JP4434981A
Other languages
Japanese (ja)
Inventor
Keiji Watabe
Ryo Suzuki
Masato Saito
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 JP4434981A priority Critical patent/JPS57158944A/en
Publication of JPS57158944A publication Critical patent/JPS57158944A/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
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To reduce the discharge start voltage which is required for the restart of a lamp without damaging its life span by using an accessory start substance. CONSTITUTION:An accessory start substance 15 consisting of a molybdate wire substance 16 and a cylindrical alumina earthenware insulator 17 whose tip is blinded is electrically and mechanically connected to a support frame 4 with the same potential with one main electrode 2 and makes contact to the outside of a glow tube by bending its tip and being separated slightly from a main electrode 3. Since an electric field is strengthed partly by the accessory start substance 15 and space charge creates a further intense field distortion, the maximum value of the discharge start voltage at restart can be reduced.
JP4434981A 1981-03-26 1981-03-26 High pressure discharge lamp Pending JPS57158944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4434981A JPS57158944A (en) 1981-03-26 1981-03-26 High pressure discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4434981A JPS57158944A (en) 1981-03-26 1981-03-26 High pressure discharge lamp

Publications (1)

Publication Number Publication Date
JPS57158944A true JPS57158944A (en) 1982-09-30

Family

ID=12689027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4434981A Pending JPS57158944A (en) 1981-03-26 1981-03-26 High pressure discharge lamp

Country Status (1)

Country Link
JP (1) JPS57158944A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048133A1 (en) * 1998-03-19 1999-09-23 Koninklijke Philips Electronics N.V. Unit comprising a short-arc discharge lamp with a starting antenna
US6960883B2 (en) 2001-12-28 2005-11-01 Ushio Denki Kabushiki Kaisya Flash lamp device and flash emitting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048133A1 (en) * 1998-03-19 1999-09-23 Koninklijke Philips Electronics N.V. Unit comprising a short-arc discharge lamp with a starting antenna
US6960883B2 (en) 2001-12-28 2005-11-01 Ushio Denki Kabushiki Kaisya Flash lamp device and flash emitting device

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