JPS54109268A - Discharge lamp lighting apparatus - Google Patents

Discharge lamp lighting apparatus

Info

Publication number
JPS54109268A
JPS54109268A JP1702778A JP1702778A JPS54109268A JP S54109268 A JPS54109268 A JP S54109268A JP 1702778 A JP1702778 A JP 1702778A JP 1702778 A JP1702778 A JP 1702778A JP S54109268 A JPS54109268 A JP S54109268A
Authority
JP
Japan
Prior art keywords
discharge lamp
lighting
voltage
lighting apparatus
starting
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
JP1702778A
Other languages
Japanese (ja)
Inventor
Yukio Sugiyama
Kiyoyuki Abe
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP1702778A priority Critical patent/JPS54109268A/en
Publication of JPS54109268A publication Critical patent/JPS54109268A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:To facilitate the starting of the discharge lamp by allowing a switching element to conduct in response to change in the voltage of the lighting circuit before the lighting of the discharge lamp so that the voltage across a lighting element can be set and controlled below the operating voltage thereof following the starting of the discharge lamp. CONSTITUTION:A discharge lamp 3 is connected to an AC power source through a stabilizer element 2 while a lighting device 4 made up of a series circuit having a lighting element 4a and a switching element 4b is connected in parallel to the discharge lamp 3. The switching element 4b is allowed to conduct in response to voltage of the lighting circuit before the lighting of the discharge lamp 3 so that the voltage across a lighting element 4a is set and controlled below the operating voltage thereof following the starting of the discharge lamp.
JP1702778A 1978-02-15 1978-02-15 Discharge lamp lighting apparatus Pending JPS54109268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1702778A JPS54109268A (en) 1978-02-15 1978-02-15 Discharge lamp lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1702778A JPS54109268A (en) 1978-02-15 1978-02-15 Discharge lamp lighting apparatus

Publications (1)

Publication Number Publication Date
JPS54109268A true JPS54109268A (en) 1979-08-27

Family

ID=11932503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1702778A Pending JPS54109268A (en) 1978-02-15 1978-02-15 Discharge lamp lighting apparatus

Country Status (1)

Country Link
JP (1) JPS54109268A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5966097A (en) * 1982-10-07 1984-04-14 松下電器産業株式会社 Device for firing discharge lamp
US4450383A (en) * 1981-07-24 1984-05-22 U.S. Philips Corporation Electric arrangement for starting and supplying a low-pressure discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450383A (en) * 1981-07-24 1984-05-22 U.S. Philips Corporation Electric arrangement for starting and supplying a low-pressure discharge lamp
JPS5966097A (en) * 1982-10-07 1984-04-14 松下電器産業株式会社 Device for firing discharge lamp

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