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JPS5426081A - Self-ballast discharge lamp - Google Patents

Self-ballast discharge lamp

Info

Publication number
JPS5426081A
JPS5426081A JP9094277A JP9094277A JPS5426081A JP S5426081 A JPS5426081 A JP S5426081A JP 9094277 A JP9094277 A JP 9094277A JP 9094277 A JP9094277 A JP 9094277A JP S5426081 A JPS5426081 A JP S5426081A
Authority
JP
Japan
Prior art keywords
self
discharge lamp
ballast discharge
ballast
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
JP9094277A
Other languages
Japanese (ja)
Other versions
JPS5731265B2 (en
Inventor
Kazuhiko Miyoshi
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 JP9094277A priority Critical patent/JPS5426081A/en
Publication of JPS5426081A publication Critical patent/JPS5426081A/en
Publication of JPS5731265B2 publication Critical patent/JPS5731265B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To raise the efficiency of a self-ballast discharge lamp and to lengthen the life of the lamp by forming a heat insulating layer for absorbing an energy radiated from a ballast filament at least at one end of a light emitting tube to increase the vapor pressure of rare earth element halogenide.
COPYRIGHT: (C)1979,JPO&Japio
JP9094277A 1977-07-30 1977-07-30 Self-ballast discharge lamp Granted JPS5426081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9094277A JPS5426081A (en) 1977-07-30 1977-07-30 Self-ballast discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9094277A JPS5426081A (en) 1977-07-30 1977-07-30 Self-ballast discharge lamp

Publications (2)

Publication Number Publication Date
JPS5426081A true JPS5426081A (en) 1979-02-27
JPS5731265B2 JPS5731265B2 (en) 1982-07-03

Family

ID=14012498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9094277A Granted JPS5426081A (en) 1977-07-30 1977-07-30 Self-ballast discharge lamp

Country Status (1)

Country Link
JP (1) JPS5426081A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03219546A (en) * 1989-05-31 1991-09-26 Iwasaki Electric Co Ltd Metal halide lamp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58176060U (en) * 1982-05-20 1983-11-25 株式会社ナブコ Hydraulic fluid reservoir

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949481A (en) * 1972-05-16 1974-05-14
JPS5069469U (en) * 1973-10-26 1975-06-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949481A (en) * 1972-05-16 1974-05-14
JPS5069469U (en) * 1973-10-26 1975-06-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03219546A (en) * 1989-05-31 1991-09-26 Iwasaki Electric Co Ltd Metal halide lamp

Also Published As

Publication number Publication date
JPS5731265B2 (en) 1982-07-03

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