JPS52109776A - Circular fluorescent lamp - Google Patents

Circular fluorescent lamp

Info

Publication number
JPS52109776A
JPS52109776A JP2515476A JP2515476A JPS52109776A JP S52109776 A JPS52109776 A JP S52109776A JP 2515476 A JP2515476 A JP 2515476A JP 2515476 A JP2515476 A JP 2515476A JP S52109776 A JPS52109776 A JP S52109776A
Authority
JP
Japan
Prior art keywords
fluorescent lamp
circular fluorescent
lamp
circular
argone
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
JP2515476A
Other languages
Japanese (ja)
Inventor
Taisuke Hirota
Tadayoshi Kodama
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 JP2515476A priority Critical patent/JPS52109776A/en
Publication of JPS52109776A publication Critical patent/JPS52109776A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)

Abstract

PURPOSE: To improve light emitting efficiency of a 30W circular fluorescent lamp having a large load density by sealing a mixed gas of argone and neon into the lamp.
COPYRIGHT: (C)1977,JPO&Japio
JP2515476A 1976-03-10 1976-03-10 Circular fluorescent lamp Pending JPS52109776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2515476A JPS52109776A (en) 1976-03-10 1976-03-10 Circular fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2515476A JPS52109776A (en) 1976-03-10 1976-03-10 Circular fluorescent lamp

Publications (1)

Publication Number Publication Date
JPS52109776A true JPS52109776A (en) 1977-09-14

Family

ID=12158087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2515476A Pending JPS52109776A (en) 1976-03-10 1976-03-10 Circular fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS52109776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54164366A (en) * 1978-06-19 1979-12-27 Hitachi Ltd Lighting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54164366A (en) * 1978-06-19 1979-12-27 Hitachi Ltd Lighting

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