JPS632187B2 - - Google Patents
Info
- Publication number
- JPS632187B2 JPS632187B2 JP55151754A JP15175480A JPS632187B2 JP S632187 B2 JPS632187 B2 JP S632187B2 JP 55151754 A JP55151754 A JP 55151754A JP 15175480 A JP15175480 A JP 15175480A JP S632187 B2 JPS632187 B2 JP S632187B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- power supply
- resistor
- circuit
- transistor
- 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.)
- Expired
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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 |
---|---|---|---|
JP15175480A JPS5775060A (en) | 1980-10-28 | 1980-10-28 | Current supply circuit having power source noise eliminating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15175480A JPS5775060A (en) | 1980-10-28 | 1980-10-28 | Current supply circuit having power source noise eliminating circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5775060A JPS5775060A (en) | 1982-05-11 |
JPS632187B2 true JPS632187B2 (en]) | 1988-01-18 |
Family
ID=15525557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15175480A Granted JPS5775060A (en) | 1980-10-28 | 1980-10-28 | Current supply circuit having power source noise eliminating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5775060A (en]) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087647A (en) * | 1977-05-25 | 1978-05-02 | Bell Telephone Laboratories, Incorporated | Circuit for supplying direct current to telephone station sets |
-
1980
- 1980-10-28 JP JP15175480A patent/JPS5775060A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5775060A (en) | 1982-05-11 |
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