JPS51148991A - Metal steam discharge lamp - Google Patents

Metal steam discharge lamp

Info

Publication number
JPS51148991A
JPS51148991A JP7268775A JP7268775A JPS51148991A JP S51148991 A JPS51148991 A JP S51148991A JP 7268775 A JP7268775 A JP 7268775A JP 7268775 A JP7268775 A JP 7268775A JP S51148991 A JPS51148991 A JP S51148991A
Authority
JP
Japan
Prior art keywords
discharge lamp
steam discharge
metal steam
halogenide
enclosed
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
JP7268775A
Other languages
Japanese (ja)
Inventor
Minoru Sugiura
Takashi Ito
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.)
Iwasaki Denki KK
Original Assignee
Iwasaki Denki KK
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 Iwasaki Denki KK filed Critical Iwasaki Denki KK
Priority to JP7268775A priority Critical patent/JPS51148991A/en
Publication of JPS51148991A publication Critical patent/JPS51148991A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Particular combination of rare earth metals and the halogenide of alkali metal are added and enclosed in a given range to improve color rendition and light-emitting efficiency without causing unsteady discharging condition.
COPYRIGHT: (C)1976,JPO&Japio
JP7268775A 1975-06-17 1975-06-17 Metal steam discharge lamp Pending JPS51148991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7268775A JPS51148991A (en) 1975-06-17 1975-06-17 Metal steam discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7268775A JPS51148991A (en) 1975-06-17 1975-06-17 Metal steam discharge lamp

Publications (1)

Publication Number Publication Date
JPS51148991A true JPS51148991A (en) 1976-12-21

Family

ID=13496519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7268775A Pending JPS51148991A (en) 1975-06-17 1975-06-17 Metal steam discharge lamp

Country Status (1)

Country Link
JP (1) JPS51148991A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0949657A2 (en) * 1998-04-08 1999-10-13 Ushiodenki Kabushiki Kaisha High pressure mercury lamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941875A (en) * 1972-08-30 1974-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941875A (en) * 1972-08-30 1974-04-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0949657A2 (en) * 1998-04-08 1999-10-13 Ushiodenki Kabushiki Kaisha High pressure mercury lamp

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