JPS55165563A - Metallic vapor discharge lamp - Google Patents

Metallic vapor discharge lamp

Info

Publication number
JPS55165563A
JPS55165563A JP7331579A JP7331579A JPS55165563A JP S55165563 A JPS55165563 A JP S55165563A JP 7331579 A JP7331579 A JP 7331579A JP 7331579 A JP7331579 A JP 7331579A JP S55165563 A JPS55165563 A JP S55165563A
Authority
JP
Japan
Prior art keywords
lamp
electrodes
bimetal piece
filament
high voltage
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
JP7331579A
Other languages
Japanese (ja)
Inventor
Yuji Danno
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7331579A priority Critical patent/JPS55165563A/en
Publication of JPS55165563A publication Critical patent/JPS55165563A/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
    • H01J61/541—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch
    • H01J61/544—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch and an auxiliary electrode outside the vessel

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To simplify the construction of a lamp, by applying a combined use of a thermally operated switch for generating a high voltage pulse to a switch for electrically disconnecting a proximity conductor from electrodes. CONSTITUTION:A bimetal piece 24 is displaced to its reset position because a lamp is in a cold state when it is started. When a power source 31 is turned on, a filament 20 is conduted to flow an electric current. If a heat generation of the filament 20 is promoted, the bimetal piece 24 is curved to apply a high voltage pulse to between electrodes 15a, 15b and start an electric discharge. When the lamp is shifted its operation toward a stable lighting after a starting of the discharge, the bimetal piece 24 is further curved causing a proximity conductor 16 to be electrically disconnected from both of the electrodes 15a, 15b.
JP7331579A 1979-06-11 1979-06-11 Metallic vapor discharge lamp Pending JPS55165563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7331579A JPS55165563A (en) 1979-06-11 1979-06-11 Metallic vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7331579A JPS55165563A (en) 1979-06-11 1979-06-11 Metallic vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS55165563A true JPS55165563A (en) 1980-12-24

Family

ID=13514608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7331579A Pending JPS55165563A (en) 1979-06-11 1979-06-11 Metallic vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS55165563A (en)

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