JPS53129466A - High voltage metal vapor discharge lamp - Google Patents

High voltage metal vapor discharge lamp

Info

Publication number
JPS53129466A
JPS53129466A JP4354477A JP4354477A JPS53129466A JP S53129466 A JPS53129466 A JP S53129466A JP 4354477 A JP4354477 A JP 4354477A JP 4354477 A JP4354477 A JP 4354477A JP S53129466 A JPS53129466 A JP S53129466A
Authority
JP
Japan
Prior art keywords
high voltage
discharge lamp
metal vapor
vapor discharge
voltage metal
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
JP4354477A
Other languages
Japanese (ja)
Inventor
Akiyoshi Saito
Akiisa Inada
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4354477A priority Critical patent/JPS53129466A/en
Publication of JPS53129466A publication Critical patent/JPS53129466A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE: To eliminate luminous tube crack, going out, lighting instability, by maintaining temperature difference between temperature of lower coldest point and tube end temperature at upper side of tube while lighting, to prevent sealed metal from coaggulating at upper side of the tube.
COPYRIGHT: (C)1978,JPO&Japio
JP4354477A 1977-04-18 1977-04-18 High voltage metal vapor discharge lamp Pending JPS53129466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4354477A JPS53129466A (en) 1977-04-18 1977-04-18 High voltage metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4354477A JPS53129466A (en) 1977-04-18 1977-04-18 High voltage metal vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS53129466A true JPS53129466A (en) 1978-11-11

Family

ID=12666676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4354477A Pending JPS53129466A (en) 1977-04-18 1977-04-18 High voltage metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS53129466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151744A (en) * 1983-02-17 1984-08-30 Matsushita Electronics Corp High pressure sodium discharge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151744A (en) * 1983-02-17 1984-08-30 Matsushita Electronics Corp High pressure sodium discharge device
JPH053108B2 (en) * 1983-02-17 1993-01-14 Matsushita Electronics Corp

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