JPS52120582A - Lighting device for discharge lamp - Google Patents
Lighting device for discharge lampInfo
- 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
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5061670U (en) * | 1973-09-29 | 1975-06-06 |
-
1976
- 1976-04-01 JP JP3517576A patent/JPS52120582A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5061670U (en) * | 1973-09-29 | 1975-06-06 |
Cited By (2)
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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