JPS6149033B2 - - Google Patents
Info
- Publication number
- JPS6149033B2 JPS6149033B2 JP7721681A JP7721681A JPS6149033B2 JP S6149033 B2 JPS6149033 B2 JP S6149033B2 JP 7721681 A JP7721681 A JP 7721681A JP 7721681 A JP7721681 A JP 7721681A JP S6149033 B2 JPS6149033 B2 JP S6149033B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- welding current
- output
- window comparator
- operational amplifier
- 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.)
- Expired
Links
- 238000003466 welding Methods 0.000 claims description 40
- 238000012806 monitoring device Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 28
- 238000001514 detection method Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1087—Arc welding using remote control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077216A JPS57190774A (en) | 1981-05-20 | 1981-05-20 | Balance monitoring device for welding current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077216A JPS57190774A (en) | 1981-05-20 | 1981-05-20 | Balance monitoring device for welding current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57190774A JPS57190774A (en) | 1982-11-24 |
| JPS6149033B2 true JPS6149033B2 (enExample) | 1986-10-27 |
Family
ID=13627640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56077216A Granted JPS57190774A (en) | 1981-05-20 | 1981-05-20 | Balance monitoring device for welding current |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57190774A (enExample) |
-
1981
- 1981-05-20 JP JP56077216A patent/JPS57190774A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57190774A (en) | 1982-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3185145B2 (ja) | フェールセーフ状態検出回路 | |
| US4626765A (en) | Apparatus for indicating remaining battery capacity | |
| US4968941A (en) | Apparatus for monitoring the state of charge of a battery | |
| US5363047A (en) | Portable ground fault detector | |
| US4290021A (en) | Battery testing method and device | |
| US6501383B1 (en) | Method and device for monitoring a flame | |
| US4862142A (en) | Circuit with memory for detecting intermittent changes in resistance, current, voltage, continuity, power interruption, light, and temperature | |
| US4504155A (en) | Time-to-voltage converter | |
| GB2130735A (en) | Battery testing apparatus | |
| JPS6149033B2 (enExample) | ||
| JPS6149031B2 (enExample) | ||
| JPS6149032B2 (enExample) | ||
| JPH02103479A (ja) | 静電気放電耐圧の試験方法 | |
| JPH04303780A (ja) | 蓄電池残存容量計 | |
| US4801864A (en) | Tester for terminal post resistance for an energy storage element connected in an electrical circuit | |
| JPH04599A (ja) | 感知器試験装置 | |
| JPH0325186Y2 (enExample) | ||
| KR100244985B1 (ko) | 선속측정 고광 차단회로 | |
| US4453128A (en) | Digital display testing circuit | |
| US2502450A (en) | Electronic timing apparatus | |
| JPH09269259A (ja) | 重量検査装置用a/d変換器 | |
| EP0216276B1 (en) | Semiconductor logic tester with fast-recovery power supply | |
| EP0080857A1 (en) | A device for testing circuit breakers | |
| KR930011476B1 (ko) | 이산화탄소 레이저의 과전류 차단장치 | |
| SU547527A1 (ru) | Устройство дл бескамерной оценки электрических цепей на искробезопасность |