JPS52120582A - Lighting device for discharge lamp - Google Patents

Lighting device for discharge lamp

Info

Publication number
JPS52120582A
JPS52120582A JP3517576A JP3517576A JPS52120582A JP S52120582 A JPS52120582 A JP S52120582A JP 3517576 A JP3517576 A JP 3517576A JP 3517576 A JP3517576 A JP 3517576A JP S52120582 A JPS52120582 A JP S52120582A
Authority
JP
Japan
Prior art keywords
lighting device
discharge lamp
controlling unit
lamp
adds
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
JP3517576A
Other languages
Japanese (ja)
Other versions
JPS5712514B2 (en
Inventor
Masahiko Koshihara
Toshimichi Okada
Makoto Saito
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.)
Iwasaki Denki KK
Original Assignee
Iwasaki Denki KK
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 Iwasaki Denki KK filed Critical Iwasaki Denki KK
Priority to JP3517576A priority Critical patent/JPS52120582A/en
Publication of JPS52120582A publication Critical patent/JPS52120582A/en
Publication of JPS5712514B2 publication Critical patent/JPS5712514B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:In a lighting device for a discharge lamp, a controlling unit detects a lamp voltage and a lamp current, adds these signals together and controls a semiconductor element on the basis of the sum, thereby providing a simple controlling unit having a constant power lighting function.
JP3517576A 1976-04-01 1976-04-01 Lighting device for discharge lamp Granted JPS52120582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3517576A JPS52120582A (en) 1976-04-01 1976-04-01 Lighting device for discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3517576A JPS52120582A (en) 1976-04-01 1976-04-01 Lighting device for discharge lamp

Publications (2)

Publication Number Publication Date
JPS52120582A true JPS52120582A (en) 1977-10-11
JPS5712514B2 JPS5712514B2 (en) 1982-03-11

Family

ID=12434505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3517576A Granted JPS52120582A (en) 1976-04-01 1976-04-01 Lighting device for discharge lamp

Country Status (1)

Country Link
JP (1) JPS52120582A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772296A (en) * 1980-07-07 1982-05-06 Niyuuaaku Co Za Power source for high illumination discharge lamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5061670U (en) * 1973-09-29 1975-06-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5061670U (en) * 1973-09-29 1975-06-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772296A (en) * 1980-07-07 1982-05-06 Niyuuaaku Co Za Power source for high illumination discharge lamp
JPH0346960B2 (en) * 1980-07-07 1991-07-17 Nyuuaaku Co Za

Also Published As

Publication number Publication date
JPS5712514B2 (en) 1982-03-11

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