JPS5228189A - Ring-shaped low pressure mercury discharging lamp, its production - Google Patents

Ring-shaped low pressure mercury discharging lamp, its production

Info

Publication number
JPS5228189A
JPS5228189A JP10372575A JP10372575A JPS5228189A JP S5228189 A JPS5228189 A JP S5228189A JP 10372575 A JP10372575 A JP 10372575A JP 10372575 A JP10372575 A JP 10372575A JP S5228189 A JPS5228189 A JP S5228189A
Authority
JP
Japan
Prior art keywords
low pressure
pressure mercury
ring
production
shaped low
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
JP10372575A
Other languages
Japanese (ja)
Inventor
Tadaaki Watabe
Sadata Ikeda
Shinichi Tsunekawa
Takashi Omori
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 JP10372575A priority Critical patent/JPS5228189A/en
Publication of JPS5228189A publication Critical patent/JPS5228189A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To produce ring-shaped low pressure mercury discharging lamp without shield-caused shade simply.
COPYRIGHT: (C)1977,JPO&Japio
JP10372575A 1975-08-27 1975-08-27 Ring-shaped low pressure mercury discharging lamp, its production Pending JPS5228189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10372575A JPS5228189A (en) 1975-08-27 1975-08-27 Ring-shaped low pressure mercury discharging lamp, its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10372575A JPS5228189A (en) 1975-08-27 1975-08-27 Ring-shaped low pressure mercury discharging lamp, its production

Publications (1)

Publication Number Publication Date
JPS5228189A true JPS5228189A (en) 1977-03-02

Family

ID=14361631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10372575A Pending JPS5228189A (en) 1975-08-27 1975-08-27 Ring-shaped low pressure mercury discharging lamp, its production

Country Status (1)

Country Link
JP (1) JPS5228189A (en)

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