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JPS52142878A - Metal vapor discharge lamp - Google Patents

Metal vapor discharge lamp

Info

Publication number
JPS52142878A
JPS52142878A JP5781176A JP5781176A JPS52142878A JP S52142878 A JPS52142878 A JP S52142878A JP 5781176 A JP5781176 A JP 5781176A JP 5781176 A JP5781176 A JP 5781176A JP S52142878 A JPS52142878 A JP S52142878A
Authority
JP
Japan
Prior art keywords
discharge lamp
metal vapor
vapor discharge
stabilize
minimizing
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
JP5781176A
Other languages
Japanese (ja)
Inventor
Akiyoshi Saito
Taku Sakai
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 JP5781176A priority Critical patent/JPS52142878A/en
Publication of JPS52142878A publication Critical patent/JPS52142878A/en
Pending legal-status Critical Current

Links

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

PURPOSE: To provide a metal vapor discharge lamp designed to stabilize its characteristics by minimizing a heat effect caused, on the coldest part, by heat rays reflected by the inner surface of the outer tube.
COPYRIGHT: (C)1977,JPO&Japio
JP5781176A 1976-05-21 1976-05-21 Metal vapor discharge lamp Pending JPS52142878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5781176A JPS52142878A (en) 1976-05-21 1976-05-21 Metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5781176A JPS52142878A (en) 1976-05-21 1976-05-21 Metal vapor discharge lamp

Publications (1)

Publication Number Publication Date
JPS52142878A true JPS52142878A (en) 1977-11-29

Family

ID=13066298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5781176A Pending JPS52142878A (en) 1976-05-21 1976-05-21 Metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS52142878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62113354A (en) * 1985-11-12 1987-05-25 Toshiba Corp Metal vapor discharge lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4219894Y1 (en) * 1965-04-08 1967-11-17
JPS4819505U (en) * 1971-07-08 1973-03-06
JPS512436U (en) * 1974-06-20 1976-01-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4219894Y1 (en) * 1965-04-08 1967-11-17
JPS4819505U (en) * 1971-07-08 1973-03-06
JPS512436U (en) * 1974-06-20 1976-01-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62113354A (en) * 1985-11-12 1987-05-25 Toshiba Corp Metal vapor discharge lamp
JPH0690916B2 (en) * 1985-11-12 1994-11-14 東芝ライテック株式会社 Metal vapor discharge lamp

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