JPS59212067A - 通話電流供給回路 - Google Patents
通話電流供給回路Info
- Publication number
- JPS59212067A JPS59212067A JP58085909A JP8590983A JPS59212067A JP S59212067 A JPS59212067 A JP S59212067A JP 58085909 A JP58085909 A JP 58085909A JP 8590983 A JP8590983 A JP 8590983A JP S59212067 A JPS59212067 A JP S59212067A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- current
- circuit
- common
- phase current
- 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
- 238000001514 detection method Methods 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000020169 heat generation Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58085909A JPS59212067A (ja) | 1983-05-18 | 1983-05-18 | 通話電流供給回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58085909A JPS59212067A (ja) | 1983-05-18 | 1983-05-18 | 通話電流供給回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59212067A true JPS59212067A (ja) | 1984-11-30 |
JPH0314261B2 JPH0314261B2 (enrdf_load_stackoverflow) | 1991-02-26 |
Family
ID=13871944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58085909A Granted JPS59212067A (ja) | 1983-05-18 | 1983-05-18 | 通話電流供給回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59212067A (enrdf_load_stackoverflow) |
-
1983
- 1983-05-18 JP JP58085909A patent/JPS59212067A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0314261B2 (enrdf_load_stackoverflow) | 1991-02-26 |
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