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JPS56107465A - Metal vapor discharge lamp - Google Patents

Metal vapor discharge lamp

Info

Publication number
JPS56107465A
JPS56107465A JP1023880A JP1023880A JPS56107465A JP S56107465 A JPS56107465 A JP S56107465A JP 1023880 A JP1023880 A JP 1023880A JP 1023880 A JP1023880 A JP 1023880A JP S56107465 A JPS56107465 A JP S56107465A
Authority
JP
Japan
Prior art keywords
resistance
current
limiting resistance
starting
starter
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
JP1023880A
Other languages
Japanese (ja)
Inventor
Akihiro Inoue
Masahiko Asakura
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 JP1023880A priority Critical patent/JPS56107465A/en
Publication of JPS56107465A publication Critical patent/JPS56107465A/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

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

Abstract

PURPOSE:To secure the discharge breakdown, as well as a rapid transfer to arc discharge by using a positive-characteristic thermistor as a current-limiting resistance which is connected in series to a pulse generator. CONSTITUTION:A starting circuit, which is connected between main electrodes 3a 3b, is a searial circuit consisting of a current-limiting resistance 5, a glow starter 6 and a closed bimetal switch 7. The starting circuit is connected parallel to a luminous tube 2. An auxiliary electrode 4 is connected to the end of the glow starter 6 by means of a starting auxiliary resistance 8 placed between the electrode 4 and the starter 6, and the whole constitutes a metal halide lamp. The metal halide lamp is connected to a power source 11 by means of a single-choke stabilizer 10. The current-limiting resistance 5 is a ceramic-type positive-characteristic thermistor. Consequently, the resistance value of the current-limiting resistance 5 becomes small and thereby glow discharge is secured during starting, while the resistance value of the resistance 5 becomes large and thereby the electric current flowing into the glow starter 6 becomes small during lighting.
JP1023880A 1980-01-31 1980-01-31 Metal vapor discharge lamp Pending JPS56107465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1023880A JPS56107465A (en) 1980-01-31 1980-01-31 Metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1023880A JPS56107465A (en) 1980-01-31 1980-01-31 Metal vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS56107465A true JPS56107465A (en) 1981-08-26

Family

ID=11744712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1023880A Pending JPS56107465A (en) 1980-01-31 1980-01-31 Metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS56107465A (en)

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