JPS5374772A - Apparatus for lighting discharge lamp - Google Patents

Apparatus for lighting discharge lamp

Info

Publication number
JPS5374772A
JPS5374772A JP15404676A JP15404676A JPS5374772A JP S5374772 A JPS5374772 A JP S5374772A JP 15404676 A JP15404676 A JP 15404676A JP 15404676 A JP15404676 A JP 15404676A JP S5374772 A JPS5374772 A JP S5374772A
Authority
JP
Japan
Prior art keywords
discharge lamp
lighting discharge
half wave
duration
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
JP15404676A
Other languages
Japanese (ja)
Inventor
Kenichi Nakai
Seisaku Kobayashi
Koichiro Tanikawa
Seigo Wada
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 JP15404676A priority Critical patent/JPS5374772A/en
Publication of JPS5374772A publication Critical patent/JPS5374772A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:o start the discharge lamp effectively and extend the life thereof by means of switch elements connected in parallel to the discharge lamp so as to open or close more than several times per half wave in the voltage of the commercial power source thereby producing numerous pulse voltages in the duration of one half wave.
JP15404676A 1976-12-15 1976-12-15 Apparatus for lighting discharge lamp Pending JPS5374772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15404676A JPS5374772A (en) 1976-12-15 1976-12-15 Apparatus for lighting discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15404676A JPS5374772A (en) 1976-12-15 1976-12-15 Apparatus for lighting discharge lamp

Publications (1)

Publication Number Publication Date
JPS5374772A true JPS5374772A (en) 1978-07-03

Family

ID=15575726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15404676A Pending JPS5374772A (en) 1976-12-15 1976-12-15 Apparatus for lighting discharge lamp

Country Status (1)

Country Link
JP (1) JPS5374772A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339693A (en) * 1979-12-19 1982-07-13 U.S. Philips Corporation Arrangement including a gas and/or vapor discharge lamp
US4447763A (en) * 1981-04-15 1984-05-08 Hitachi Lighting, Ltd. Discharge lamp lighting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949480A (en) * 1972-05-09 1974-05-14
JPS5021977B1 (en) * 1966-03-10 1975-07-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021977B1 (en) * 1966-03-10 1975-07-26
JPS4949480A (en) * 1972-05-09 1974-05-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339693A (en) * 1979-12-19 1982-07-13 U.S. Philips Corporation Arrangement including a gas and/or vapor discharge lamp
US4447763A (en) * 1981-04-15 1984-05-08 Hitachi Lighting, Ltd. Discharge lamp lighting device

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