JPS57203366A - Feeding system to subscriber terminal device - Google Patents
Feeding system to subscriber terminal deviceInfo
- Publication number
- JPS57203366A JPS57203366A JP8826781A JP8826781A JPS57203366A JP S57203366 A JPS57203366 A JP S57203366A JP 8826781 A JP8826781 A JP 8826781A JP 8826781 A JP8826781 A JP 8826781A JP S57203366 A JPS57203366 A JP S57203366A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- terminal device
- switch
- mode
- feeding circuit
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8826781A JPS57203366A (en) | 1981-06-10 | 1981-06-10 | Feeding system to subscriber terminal device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8826781A JPS57203366A (en) | 1981-06-10 | 1981-06-10 | Feeding system to subscriber terminal device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57203366A true JPS57203366A (en) | 1982-12-13 |
JPS6248426B2 JPS6248426B2 (ja) | 1987-10-14 |
Family
ID=13938109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8826781A Granted JPS57203366A (en) | 1981-06-10 | 1981-06-10 | Feeding system to subscriber terminal device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57203366A (ja) |
-
1981
- 1981-06-10 JP JP8826781A patent/JPS57203366A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6248426B2 (ja) | 1987-10-14 |
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