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JPS53137575A - Metal vapor discharge lamp - Google Patents

Metal vapor discharge lamp

Info

Publication number
JPS53137575A
JPS53137575A JP5174977A JP5174977A JPS53137575A JP S53137575 A JPS53137575 A JP S53137575A JP 5174977 A JP5174977 A JP 5174977A JP 5174977 A JP5174977 A JP 5174977A JP S53137575 A JPS53137575 A JP S53137575A
Authority
JP
Japan
Prior art keywords
discharge lamp
metal vapor
vapor discharge
hollow
penning
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
JP5174977A
Other languages
Japanese (ja)
Other versions
JPS576791B2 (en
Inventor
Makoto Ueda
Akihiro Inoue
Toshihiko Ishigami
Takaro Shintani
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP5174977A priority Critical patent/JPS53137575A/en
Publication of JPS53137575A publication Critical patent/JPS53137575A/en
Publication of JPS576791B2 publication Critical patent/JPS576791B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To form a hollow portion within a coil of an electrode disposed in a light permeable bulb which contains penning-effect gases and metal vapors and provide electron emitting material in the hollow so as to provide a smooth transition to an arc discharge.
COPYRIGHT: (C)1978,JPO&Japio
JP5174977A 1977-05-07 1977-05-07 Metal vapor discharge lamp Granted JPS53137575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5174977A JPS53137575A (en) 1977-05-07 1977-05-07 Metal vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5174977A JPS53137575A (en) 1977-05-07 1977-05-07 Metal vapor discharge lamp

Publications (2)

Publication Number Publication Date
JPS53137575A true JPS53137575A (en) 1978-12-01
JPS576791B2 JPS576791B2 (en) 1982-02-06

Family

ID=12895568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5174977A Granted JPS53137575A (en) 1977-05-07 1977-05-07 Metal vapor discharge lamp

Country Status (1)

Country Link
JP (1) JPS53137575A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722184A3 (en) * 1995-01-12 1996-10-23 Osram Sylvania Inc Starting aid for metal halide lamps

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835579U (en) * 1971-08-30 1973-04-27
JPS5027678A (en) * 1973-06-21 1975-03-20
JPS5139469A (en) * 1974-09-30 1976-04-02 Kenichiro Kurita PURESUSOCHI

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835579U (en) * 1971-08-30 1973-04-27
JPS5027678A (en) * 1973-06-21 1975-03-20
JPS5139469A (en) * 1974-09-30 1976-04-02 Kenichiro Kurita PURESUSOCHI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722184A3 (en) * 1995-01-12 1996-10-23 Osram Sylvania Inc Starting aid for metal halide lamps

Also Published As

Publication number Publication date
JPS576791B2 (en) 1982-02-06

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