JPS51133982A - Electrode for high voltage discharge lamp - Google Patents

Electrode for high voltage discharge lamp

Info

Publication number
JPS51133982A
JPS51133982A JP5740575A JP5740575A JPS51133982A JP S51133982 A JPS51133982 A JP S51133982A JP 5740575 A JP5740575 A JP 5740575A JP 5740575 A JP5740575 A JP 5740575A JP S51133982 A JPS51133982 A JP S51133982A
Authority
JP
Japan
Prior art keywords
high voltage
electrode
discharge lamp
voltage discharge
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.)
Pending
Application number
JP5740575A
Other languages
Japanese (ja)
Inventor
Hiromitsu Matsuno
Mikiya Yamane
Shunji Kazui
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 JP5740575A priority Critical patent/JPS51133982A/en
Publication of JPS51133982A publication Critical patent/JPS51133982A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To provide a hollow to the electrode structure of a high voltage mercury-arc lamp, metal lamp, etc. to allow a quick shifting from the initial glow discharge to constant arc discharge as well as to improve luminous flux maintenance factor.
COPYRIGHT: (C)1976,JPO&Japio
JP5740575A 1975-05-16 1975-05-16 Electrode for high voltage discharge lamp Pending JPS51133982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5740575A JPS51133982A (en) 1975-05-16 1975-05-16 Electrode for high voltage discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5740575A JPS51133982A (en) 1975-05-16 1975-05-16 Electrode for high voltage discharge lamp

Publications (1)

Publication Number Publication Date
JPS51133982A true JPS51133982A (en) 1976-11-20

Family

ID=13054719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5740575A Pending JPS51133982A (en) 1975-05-16 1975-05-16 Electrode for high voltage discharge lamp

Country Status (1)

Country Link
JP (1) JPS51133982A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011034694A (en) * 2009-07-30 2011-02-17 Ushio Inc Ultra-high pressure mercury lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011034694A (en) * 2009-07-30 2011-02-17 Ushio Inc Ultra-high pressure mercury lamp

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