JPS56168348A - High pressure electric discharge lamp - Google Patents

High pressure electric discharge lamp

Info

Publication number
JPS56168348A
JPS56168348A JP7202080A JP7202080A JPS56168348A JP S56168348 A JPS56168348 A JP S56168348A JP 7202080 A JP7202080 A JP 7202080A JP 7202080 A JP7202080 A JP 7202080A JP S56168348 A JPS56168348 A JP S56168348A
Authority
JP
Japan
Prior art keywords
thermally operated
heater
contact
luminous tube
operated element
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
JP7202080A
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 JP7202080A priority Critical patent/JPS56168348A/en
Publication of JPS56168348A publication Critical patent/JPS56168348A/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
    • H01J61/56—One or more circuit elements structurally associated with the lamp

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To emit light from a light emitting body immediately after an electric discharge lamp is turned off, by connecting a thermally operated switch, closed for the whole body at equal temperature and opened when partially heated by a heater, and the light emitting body in series. CONSTITUTION:A thermally operated switch 14 comprises the first thermally operated element 16 and the second thermally operated element 17 and opens a contact 19 when the second thermally operated element 17 is heated by a heater 15 connected in series to a luminous tube 1. When the luminous tube 1 is in a stable state of lighting, heat generation of the heater 15 causes the contact 19 to be as left in an open state. If the luminous tube 1 is turned off, the heat generation of the heater 15 being stopped causes the first thermally operated element 16 and the second thermally operated element 17 to be at equal temperature, then the contact 19 is closed to electrically conduct a filament 5 thus the filament 5 emits light. When the luminous tube 1 is again lighted, the heater 15 is again heated then the contact 19 is opened to cease emission of light of the filament 5.
JP7202080A 1980-05-29 1980-05-29 High pressure electric discharge lamp Pending JPS56168348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7202080A JPS56168348A (en) 1980-05-29 1980-05-29 High pressure electric discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7202080A JPS56168348A (en) 1980-05-29 1980-05-29 High pressure electric discharge lamp

Publications (1)

Publication Number Publication Date
JPS56168348A true JPS56168348A (en) 1981-12-24

Family

ID=13477303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7202080A Pending JPS56168348A (en) 1980-05-29 1980-05-29 High pressure electric discharge lamp

Country Status (1)

Country Link
JP (1) JPS56168348A (en)

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