JPS5378685A - Control circuit of discharge lamp lighting device - Google Patents

Control circuit of discharge lamp lighting device

Info

Publication number
JPS5378685A
JPS5378685A JP15542776A JP15542776A JPS5378685A JP S5378685 A JPS5378685 A JP S5378685A JP 15542776 A JP15542776 A JP 15542776A JP 15542776 A JP15542776 A JP 15542776A JP S5378685 A JPS5378685 A JP S5378685A
Authority
JP
Japan
Prior art keywords
discharge lamp
control circuit
lighting device
lamp lighting
half cycle
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
JP15542776A
Other languages
Japanese (ja)
Inventor
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 JP15542776A priority Critical patent/JPS5378685A/en
Publication of JPS5378685A publication Critical patent/JPS5378685A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To simplify the circuit with an AC control element fired in a fixed phase immediately after the start of the device in such a manner that a capacitor is caused to be charged in the preceeding half cycle of the AC power source after the discharge lamp starts arcing and a ignition phase control effected in the subsequent half cycle.
JP15542776A 1976-12-22 1976-12-22 Control circuit of discharge lamp lighting device Pending JPS5378685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15542776A JPS5378685A (en) 1976-12-22 1976-12-22 Control circuit of discharge lamp lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15542776A JPS5378685A (en) 1976-12-22 1976-12-22 Control circuit of discharge lamp lighting device

Publications (1)

Publication Number Publication Date
JPS5378685A true JPS5378685A (en) 1978-07-12

Family

ID=15605763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15542776A Pending JPS5378685A (en) 1976-12-22 1976-12-22 Control circuit of discharge lamp lighting device

Country Status (1)

Country Link
JP (1) JPS5378685A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144692A (en) * 1979-04-30 1980-11-11 Matsushita Electric Works Ltd Device for firing discharge lamp
JPH02170395A (en) * 1988-12-23 1990-07-02 Tokyo Electric Co Ltd Discharge lamp lightup device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144692A (en) * 1979-04-30 1980-11-11 Matsushita Electric Works Ltd Device for firing discharge lamp
JPS6259439B2 (en) * 1979-04-30 1987-12-10 Matsushita Electric Works Ltd
JPH02170395A (en) * 1988-12-23 1990-07-02 Tokyo Electric Co Ltd Discharge lamp lightup device

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