JPS5468080A - Device of lighting discharge lamp - Google Patents
Device of lighting discharge lampInfo
- Publication number
- JPS5468080A JPS5468080A JP12088977A JP12088977A JPS5468080A JP S5468080 A JPS5468080 A JP S5468080A JP 12088977 A JP12088977 A JP 12088977A JP 12088977 A JP12088977 A JP 12088977A JP S5468080 A JPS5468080 A JP S5468080A
- Authority
- JP
- Japan
- Prior art keywords
- condenser
- discharge lamp
- winding
- voltage
- terminal
- 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:To positively start a discharge lamp without increasing pulse voltage not less than it is needed, by adequately selecting the breakover voltage of a semiconductor switching element by inserting the semiconductor switching element to a trigger pulse generating circuit. CONSTITUTION:When an input terminal B is changed into positive polarity, a condenser 12 is charged through a diode 13 and a winding N1 of an inductor 11, and after the polarity of a power source is inverted a terminal A is converted into positive polarity. When the instantaneous value reaches not less than the sum of the breakover voltage of a silicon trigger diode (STD) 20 and the terminal voltage of a condenser 17 after repeating such operation, the STD 20 is conducted to conduct a thyristor 14 and the charge of the condenser 12 is discharged. Thus, a large quantity of current flows through the winding N1, and high-tension pulse is induced to a winding N2. Operation as mentioned above is repeated every the cycle of the AC source, a discharge lamp 10 is started, and when the charge of the condenser 17 finishes a trigger pulse generating citcuit stops its operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12088977A JPS5468080A (en) | 1977-10-11 | 1977-10-11 | Device of lighting discharge lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12088977A JPS5468080A (en) | 1977-10-11 | 1977-10-11 | Device of lighting discharge lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5468080A true JPS5468080A (en) | 1979-05-31 |
JPS571120B2 JPS571120B2 (en) | 1982-01-09 |
Family
ID=14797476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12088977A Granted JPS5468080A (en) | 1977-10-11 | 1977-10-11 | Device of lighting discharge lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5468080A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013977A (en) * | 1990-03-09 | 1991-05-07 | North American Philips Corporation | Ignitor for high pressure arc discharge lamps |
US5047694A (en) * | 1989-06-30 | 1991-09-10 | Hubbell Incorporated | Lamp starting circuit |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057579U (en) * | 1983-09-26 | 1985-04-22 | 三菱電機株式会社 | cardboard packaging |
JPS60161026U (en) * | 1984-03-31 | 1985-10-25 | 株式会社フジキカイ | packaging box |
JP6444970B2 (en) | 2016-12-22 | 2018-12-26 | ファナック株式会社 | Transformers, three-phase reactors, motor drives, machinery and rectifiers |
JP6450739B2 (en) | 2016-12-22 | 2019-01-09 | ファナック株式会社 | Electromagnetic equipment |
-
1977
- 1977-10-11 JP JP12088977A patent/JPS5468080A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5047694A (en) * | 1989-06-30 | 1991-09-10 | Hubbell Incorporated | Lamp starting circuit |
US5321338A (en) * | 1989-06-30 | 1994-06-14 | Hubbell Incorporated | Lamp starting circuit |
US5013977A (en) * | 1990-03-09 | 1991-05-07 | North American Philips Corporation | Ignitor for high pressure arc discharge lamps |
Also Published As
Publication number | Publication date |
---|---|
JPS571120B2 (en) | 1982-01-09 |
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