JPS556726A - Metal vapor discharge lamp - Google Patents

Metal vapor discharge lamp

Info

Publication number
JPS556726A
JPS556726A JP7948078A JP7948078A JPS556726A JP S556726 A JPS556726 A JP S556726A JP 7948078 A JP7948078 A JP 7948078A JP 7948078 A JP7948078 A JP 7948078A JP S556726 A JPS556726 A JP S556726A
Authority
JP
Japan
Prior art keywords
filament
bimetal switch
luminous tube
bimetal
discharge lamp
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.)
Granted
Application number
JP7948078A
Other languages
Japanese (ja)
Other versions
JPS5923421B2 (en
Inventor
Shin Nakazawa
Kazuo Honda
Kotaro Kawamoto
Genichi Hayashi
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 JP7948078A priority Critical patent/JPS5923421B2/en
Publication of JPS556726A publication Critical patent/JPS556726A/en
Publication of JPS5923421B2 publication Critical patent/JPS5923421B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE: To reduce the restart time by arranging the filament and bimetal switch in this order from the luminous tube to the wall of outer bulb to speed up the closing of bimetal after lighting out.
CONSTITUTION: The filament 22 contained in the outer bulb to apply a high voltage pulse to the luminous tube 12 when starting and the bimetal switch 23 heated by the filament are arranged in the direction perpendicular to the bulb axis in the order of filament and bimetal switch from the luminous tube side, these are opposite to each other. while the lamp is lighted, radiant heat of the luminous tube is propagated to the bimetal switch through gaps of the filament to prevent the closing of bimetal switch. When the lamp is put out, temperature of the bimetal switch is quickly dropped since the filament cuts off remaining heat of the luminous tube, the bimetal switch is rapidly recovered.
COPYRIGHT: (C)1980,JPO&Japio
JP7948078A 1978-06-30 1978-06-30 metal vapor discharge lamp Expired JPS5923421B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7948078A JPS5923421B2 (en) 1978-06-30 1978-06-30 metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7948078A JPS5923421B2 (en) 1978-06-30 1978-06-30 metal vapor discharge lamp

Publications (2)

Publication Number Publication Date
JPS556726A true JPS556726A (en) 1980-01-18
JPS5923421B2 JPS5923421B2 (en) 1984-06-01

Family

ID=13691051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7948078A Expired JPS5923421B2 (en) 1978-06-30 1978-06-30 metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS5923421B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537086Y2 (en) * 1986-07-17 1993-09-20

Also Published As

Publication number Publication date
JPS5923421B2 (en) 1984-06-01

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