JPS5660157A - Call-current supplying circuit - Google Patents
Call-current supplying circuitInfo
- Publication number
- JPS5660157A JPS5660157A JP13614679A JP13614679A JPS5660157A JP S5660157 A JPS5660157 A JP S5660157A JP 13614679 A JP13614679 A JP 13614679A JP 13614679 A JP13614679 A JP 13614679A JP S5660157 A JPS5660157 A JP S5660157A
- Authority
- JP
- Japan
- Prior art keywords
- sound signal
- voltage
- loss
- resistance
- lead
- 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
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)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13614679A JPS5660157A (en) | 1979-10-22 | 1979-10-22 | Call-current supplying circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13614679A JPS5660157A (en) | 1979-10-22 | 1979-10-22 | Call-current supplying circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5660157A true JPS5660157A (en) | 1981-05-23 |
Family
ID=15168376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13614679A Pending JPS5660157A (en) | 1979-10-22 | 1979-10-22 | Call-current supplying circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5660157A (ja) |
-
1979
- 1979-10-22 JP JP13614679A patent/JPS5660157A/ja active Pending
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