JPS527174A - Low pressure mercury vapor lamp - Google Patents

Low pressure mercury vapor lamp

Info

Publication number
JPS527174A
JPS527174A JP8275975A JP8275975A JPS527174A JP S527174 A JPS527174 A JP S527174A JP 8275975 A JP8275975 A JP 8275975A JP 8275975 A JP8275975 A JP 8275975A JP S527174 A JPS527174 A JP S527174A
Authority
JP
Japan
Prior art keywords
low pressure
pressure mercury
mercury vapor
vapor lamp
life
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
JP8275975A
Other languages
Japanese (ja)
Inventor
Hiroshi Ono
Taisuke Hirota
Hiroshi Watabe
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 JP8275975A priority Critical patent/JPS527174A/en
Publication of JPS527174A publication Critical patent/JPS527174A/en
Pending legal-status Critical Current

Links

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

PURPOSE: To prevent tube crack of low pressure mercury vapor lamp at the last stage of life and accidental fall down from the apparatus.
COPYRIGHT: (C)1977,JPO&Japio
JP8275975A 1975-07-07 1975-07-07 Low pressure mercury vapor lamp Pending JPS527174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8275975A JPS527174A (en) 1975-07-07 1975-07-07 Low pressure mercury vapor lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8275975A JPS527174A (en) 1975-07-07 1975-07-07 Low pressure mercury vapor lamp

Publications (1)

Publication Number Publication Date
JPS527174A true JPS527174A (en) 1977-01-20

Family

ID=13783357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8275975A Pending JPS527174A (en) 1975-07-07 1975-07-07 Low pressure mercury vapor lamp

Country Status (1)

Country Link
JP (1) JPS527174A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756723B2 (en) 1997-12-16 2004-06-29 Hitachi, Ltd. Fluorescent lamp, method for manufacturing the same, and fluorescent lamp device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756723B2 (en) 1997-12-16 2004-06-29 Hitachi, Ltd. Fluorescent lamp, method for manufacturing the same, and fluorescent lamp device

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