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JPS5398176A - Initial lighting compensating circuit of fluorescent lamp - Google Patents

Initial lighting compensating circuit of fluorescent lamp

Info

Publication number
JPS5398176A
JPS5398176A JP1247277A JP1247277A JPS5398176A JP S5398176 A JPS5398176 A JP S5398176A JP 1247277 A JP1247277 A JP 1247277A JP 1247277 A JP1247277 A JP 1247277A JP S5398176 A JPS5398176 A JP S5398176A
Authority
JP
Japan
Prior art keywords
initial lighting
compensating circuit
fluorescent lamp
lighting compensating
tube current
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
JP1247277A
Other languages
Japanese (ja)
Other versions
JPS5732999B2 (en
Inventor
Kikuo Iizuka
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 JP1247277A priority Critical patent/JPS5398176A/en
Publication of JPS5398176A publication Critical patent/JPS5398176A/en
Publication of JPS5732999B2 publication Critical patent/JPS5732999B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:To provide initial lighting compensating circuit having improved building up characteristics and less light value change for time, by flowing large tube current at initial lighting to increase flux and by decreasing the tube current at steady state.
JP1247277A 1977-02-09 1977-02-09 Initial lighting compensating circuit of fluorescent lamp Granted JPS5398176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1247277A JPS5398176A (en) 1977-02-09 1977-02-09 Initial lighting compensating circuit of fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1247277A JPS5398176A (en) 1977-02-09 1977-02-09 Initial lighting compensating circuit of fluorescent lamp

Publications (2)

Publication Number Publication Date
JPS5398176A true JPS5398176A (en) 1978-08-28
JPS5732999B2 JPS5732999B2 (en) 1982-07-14

Family

ID=11806303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1247277A Granted JPS5398176A (en) 1977-02-09 1977-02-09 Initial lighting compensating circuit of fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS5398176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59101797A (en) * 1982-11-30 1984-06-12 松下電工株式会社 Device for firing discharge lamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131800U (en) * 1983-02-23 1984-09-04 松下電器産業株式会社 acoustic lens
RU2617724C1 (en) * 2015-12-09 2017-04-26 Михаил Алексеевич Баранов Acoustic system with a set of interchangeable acoustic lenses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59101797A (en) * 1982-11-30 1984-06-12 松下電工株式会社 Device for firing discharge lamp
JPH0324759B2 (en) * 1982-11-30 1991-04-04 Matsushita Electric Works Ltd

Also Published As

Publication number Publication date
JPS5732999B2 (en) 1982-07-14

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