JPS54151307A - Supply circuit for communication current - Google Patents
Supply circuit for communication currentInfo
- Publication number
- JPS54151307A JPS54151307A JP6025878A JP6025878A JPS54151307A JP S54151307 A JPS54151307 A JP S54151307A JP 6025878 A JP6025878 A JP 6025878A JP 6025878 A JP6025878 A JP 6025878A JP S54151307 A JPS54151307 A JP S54151307A
- Authority
- JP
- Japan
- Prior art keywords
- terminals
- alternating signal
- supply circuit
- communication
- differential
- 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
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 |
---|---|---|---|
JP6025878A JPS54151307A (en) | 1978-05-19 | 1978-05-19 | Supply circuit for communication current |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6025878A JPS54151307A (en) | 1978-05-19 | 1978-05-19 | Supply circuit for communication current |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54151307A true JPS54151307A (en) | 1979-11-28 |
Family
ID=13136955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6025878A Pending JPS54151307A (en) | 1978-05-19 | 1978-05-19 | Supply circuit for communication current |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54151307A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725766A (en) * | 1980-07-23 | 1982-02-10 | Fujitsu Ltd | Electronic feeding circuit |
JPS58151168A (ja) * | 1982-03-04 | 1983-09-08 | Fujitsu Ltd | フロ−テイング給電形加入者回路方式 |
EP0295680A2 (en) * | 1987-06-17 | 1988-12-21 | Fujitsu Limited | Battery feed circuit |
US4982422A (en) * | 1988-09-19 | 1991-01-01 | Fujitsu Limited | Terminating circuit in a battery feed circuit of an electronic exchange system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5186908A (ja) * | 1974-12-23 | 1976-07-30 | Ibm | Tsushinshisutemunokanyushakairono kyudendenryokushohinogenshohoshiki |
JPS5260510A (en) * | 1975-11-10 | 1977-05-19 | Post Office | Current supplying circuit of transmission bridge for telephone switching system |
-
1978
- 1978-05-19 JP JP6025878A patent/JPS54151307A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5186908A (ja) * | 1974-12-23 | 1976-07-30 | Ibm | Tsushinshisutemunokanyushakairono kyudendenryokushohinogenshohoshiki |
JPS5260510A (en) * | 1975-11-10 | 1977-05-19 | Post Office | Current supplying circuit of transmission bridge for telephone switching system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725766A (en) * | 1980-07-23 | 1982-02-10 | Fujitsu Ltd | Electronic feeding circuit |
JPS6230544B2 (ja) * | 1980-07-23 | 1987-07-02 | Fujitsu Ltd | |
JPS58151168A (ja) * | 1982-03-04 | 1983-09-08 | Fujitsu Ltd | フロ−テイング給電形加入者回路方式 |
EP0295680A2 (en) * | 1987-06-17 | 1988-12-21 | Fujitsu Limited | Battery feed circuit |
US4982422A (en) * | 1988-09-19 | 1991-01-01 | Fujitsu Limited | Terminating circuit in a battery feed circuit of an electronic exchange system |
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