JPS53129143A - Arc welder - Google Patents
Arc welderInfo
- Publication number
- JPS53129143A JPS53129143A JP4498977A JP4498977A JPS53129143A JP S53129143 A JPS53129143 A JP S53129143A JP 4498977 A JP4498977 A JP 4498977A JP 4498977 A JP4498977 A JP 4498977A JP S53129143 A JPS53129143 A JP S53129143A
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- output
- element according
- arc welder
- unconductive
- 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
Links
Abstract
PURPOSE: The titled apparatus operated by an inexpensive constant voltage power source, which can prevent the increase of the welding current and is provided with a driving circuit, that makes conductive the semiconductor switching element according to the output of the first comparator, and also makes unconductive the semiconductor element according to the output of the second comparator.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4498977A JPS53129143A (en) | 1977-04-19 | 1977-04-19 | Arc welder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4498977A JPS53129143A (en) | 1977-04-19 | 1977-04-19 | Arc welder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53129143A true JPS53129143A (en) | 1978-11-10 |
Family
ID=12706846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4498977A Pending JPS53129143A (en) | 1977-04-19 | 1977-04-19 | Arc welder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53129143A (en) |
-
1977
- 1977-04-19 JP JP4498977A patent/JPS53129143A/en active Pending
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