JPS5284874A - Starting device for discharge lamp - Google Patents

Starting device for discharge lamp

Info

Publication number
JPS5284874A
JPS5284874A JP15942975A JP15942975A JPS5284874A JP S5284874 A JPS5284874 A JP S5284874A JP 15942975 A JP15942975 A JP 15942975A JP 15942975 A JP15942975 A JP 15942975A JP S5284874 A JPS5284874 A JP S5284874A
Authority
JP
Japan
Prior art keywords
discharge lamp
starting device
lamp
prolonged
enhance
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
JP15942975A
Other languages
Japanese (ja)
Inventor
Hajime Nakamura
Takayoshi Maeda
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 JP15942975A priority Critical patent/JPS5284874A/en
Publication of JPS5284874A publication Critical patent/JPS5284874A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:A switching period of a semiconductor switching element is prolonged when a voltage of an a.c. power source is lower than a predetermined value so as to enhance the peak value of a lamp current flowing through a lamp and to increase residual ions inside the lamp.
JP15942975A 1975-12-30 1975-12-30 Starting device for discharge lamp Pending JPS5284874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15942975A JPS5284874A (en) 1975-12-30 1975-12-30 Starting device for discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15942975A JPS5284874A (en) 1975-12-30 1975-12-30 Starting device for discharge lamp

Publications (1)

Publication Number Publication Date
JPS5284874A true JPS5284874A (en) 1977-07-14

Family

ID=15693539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15942975A Pending JPS5284874A (en) 1975-12-30 1975-12-30 Starting device for discharge lamp

Country Status (1)

Country Link
JP (1) JPS5284874A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141898A (en) * 1981-02-23 1982-09-02 Matsushita Electric Works Ltd Transistor inverter type discharge lamp firing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141898A (en) * 1981-02-23 1982-09-02 Matsushita Electric Works Ltd Transistor inverter type discharge lamp firing device

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