JPS53140906A - Direct current supplying circuit - Google Patents
Direct current supplying circuitInfo
- Publication number
- JPS53140906A JPS53140906A JP5530177A JP5530177A JPS53140906A JP S53140906 A JPS53140906 A JP S53140906A JP 5530177 A JP5530177 A JP 5530177A JP 5530177 A JP5530177 A JP 5530177A JP S53140906 A JPS53140906 A JP S53140906A
- Authority
- JP
- Japan
- Prior art keywords
- direct current
- current supplying
- supplying circuit
- current
- supplying
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5530177A JPS53140906A (en) | 1977-05-16 | 1977-05-16 | Direct current supplying circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5530177A JPS53140906A (en) | 1977-05-16 | 1977-05-16 | Direct current supplying circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53140906A true JPS53140906A (en) | 1978-12-08 |
Family
ID=12994736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5530177A Pending JPS53140906A (en) | 1977-05-16 | 1977-05-16 | Direct current supplying circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53140906A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583458A (ja) * | 1981-06-30 | 1983-01-10 | Iwatsu Electric Co Ltd | 信号送信方式 |
US4608000A (en) * | 1983-12-29 | 1986-08-26 | Kabushiki Kaisha Tominaga Jyushikogyosho | Air pump |
US4718100A (en) * | 1985-03-15 | 1988-01-05 | Brisson Bruce A | High current demand cable |
JPS63314060A (ja) * | 1987-06-17 | 1988-12-22 | Fujitsu Ltd | 給電回路 |
-
1977
- 1977-05-16 JP JP5530177A patent/JPS53140906A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583458A (ja) * | 1981-06-30 | 1983-01-10 | Iwatsu Electric Co Ltd | 信号送信方式 |
JPH0255984B2 (ja) * | 1981-06-30 | 1990-11-28 | Iwasaki Tsushinki Kk | |
US4608000A (en) * | 1983-12-29 | 1986-08-26 | Kabushiki Kaisha Tominaga Jyushikogyosho | Air pump |
US4718100A (en) * | 1985-03-15 | 1988-01-05 | Brisson Bruce A | High current demand cable |
JPS63314060A (ja) * | 1987-06-17 | 1988-12-22 | Fujitsu Ltd | 給電回路 |
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