JPS5441574A - Method of controlling luminescent quantity of flash lamp - Google Patents
Method of controlling luminescent quantity of flash lampInfo
- Publication number
- JPS5441574A JPS5441574A JP10735977A JP10735977A JPS5441574A JP S5441574 A JPS5441574 A JP S5441574A JP 10735977 A JP10735977 A JP 10735977A JP 10735977 A JP10735977 A JP 10735977A JP S5441574 A JPS5441574 A JP S5441574A
- Authority
- JP
- Japan
- Prior art keywords
- flash lamp
- condenser
- rectifier
- comparator
- power source
- 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
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
PURPOSE:To control the luminescent quantity of a flash lamp without directly detecting the voltage of a high voltage portion for the flash lamp. CONSTITUTION:A secondary winding of a leakage transformer 2 for boosting, to which an AC power source 1 is input, is divided into two sections of N1 and N2, a flash lamp 4 is connected to N1 through a rectifier 3 and a condenser C1 while a condenser C2 is coupled with N2 through a rectifier 3', a resistance R2 and a comparator 6 are connected to the condenser C2, and a switching element 7 mounted to the primary side of the leakage transformer 2 is controlled by the output of the comparator 6 so that the charge voltage of the condenser C2 by maintained at a fixed level. In the figure, 5 is a trigger circuit, which utilizes one portion of the charging electric charge of the condenser C1 and is subject to trigger signals from the outside to make the flash lamp 4 luminesce, and 8 a power source for a control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10735977A JPS6026277B2 (en) | 1977-09-07 | 1977-09-07 | Flash lamp light emission control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10735977A JPS6026277B2 (en) | 1977-09-07 | 1977-09-07 | Flash lamp light emission control method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5441574A true JPS5441574A (en) | 1979-04-02 |
JPS6026277B2 JPS6026277B2 (en) | 1985-06-22 |
Family
ID=14457064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10735977A Expired JPS6026277B2 (en) | 1977-09-07 | 1977-09-07 | Flash lamp light emission control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6026277B2 (en) |
-
1977
- 1977-09-07 JP JP10735977A patent/JPS6026277B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6026277B2 (en) | 1985-06-22 |
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