JPS51119185A - High pressure sodium lamp - Google Patents

High pressure sodium lamp

Info

Publication number
JPS51119185A
JPS51119185A JP4280175A JP4280175A JPS51119185A JP S51119185 A JPS51119185 A JP S51119185A JP 4280175 A JP4280175 A JP 4280175A JP 4280175 A JP4280175 A JP 4280175A JP S51119185 A JPS51119185 A JP S51119185A
Authority
JP
Japan
Prior art keywords
high pressure
sodium lamp
pressure sodium
improved
lowering
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
JP4280175A
Other languages
Japanese (ja)
Inventor
Ikuo Iwai
Motonori Masui
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 Electric Co Ltd
Original Assignee
Iwasaki 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 Iwasaki Electric Co Ltd filed Critical Iwasaki Electric Co Ltd
Priority to JP4280175A priority Critical patent/JPS51119185A/en
Publication of JPS51119185A publication Critical patent/JPS51119185A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge Lamp (AREA)

Abstract

PURPOSE: By selecting properly a sealed gas pressure and metals to be added for a high pressure sodium lamp, its color performance is improved by making the most of its features in improved illumination efficiency and lowering in standoff voltage.
COPYRIGHT: (C)1976,JPO&Japio
JP4280175A 1975-04-10 1975-04-10 High pressure sodium lamp Pending JPS51119185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4280175A JPS51119185A (en) 1975-04-10 1975-04-10 High pressure sodium lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4280175A JPS51119185A (en) 1975-04-10 1975-04-10 High pressure sodium lamp

Publications (1)

Publication Number Publication Date
JPS51119185A true JPS51119185A (en) 1976-10-19

Family

ID=12646058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4280175A Pending JPS51119185A (en) 1975-04-10 1975-04-10 High pressure sodium lamp

Country Status (1)

Country Link
JP (1) JPS51119185A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
US3521108A (en) * 1968-07-17 1970-07-21 Gen Electric Metallic vapor arc-lamp having high intensity sun-like emission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
US3521108A (en) * 1968-07-17 1970-07-21 Gen Electric Metallic vapor arc-lamp having high intensity sun-like emission

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