JPS5410607A - Power supply circuit for key telephone system - Google Patents
Power supply circuit for key telephone systemInfo
- Publication number
- JPS5410607A JPS5410607A JP7493377A JP7493377A JPS5410607A JP S5410607 A JPS5410607 A JP S5410607A JP 7493377 A JP7493377 A JP 7493377A JP 7493377 A JP7493377 A JP 7493377A JP S5410607 A JPS5410607 A JP S5410607A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply circuit
- telephone system
- key telephone
- power source
- 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
- H04M19/001—Current supply source at the exchanger providing current to substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7493377A JPS5410607A (en) | 1977-06-25 | 1977-06-25 | Power supply circuit for key telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7493377A JPS5410607A (en) | 1977-06-25 | 1977-06-25 | Power supply circuit for key telephone system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5410607A true JPS5410607A (en) | 1979-01-26 |
JPS5622180B2 JPS5622180B2 (ja) | 1981-05-23 |
Family
ID=13561640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7493377A Granted JPS5410607A (en) | 1977-06-25 | 1977-06-25 | Power supply circuit for key telephone system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5410607A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152404U (ja) * | 1984-03-19 | 1985-10-11 | 東洋プライウツド株式会社 | 単板積層材 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4735809U (ja) * | 1971-05-11 | 1972-12-21 |
-
1977
- 1977-06-25 JP JP7493377A patent/JPS5410607A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4735809U (ja) * | 1971-05-11 | 1972-12-21 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152404U (ja) * | 1984-03-19 | 1985-10-11 | 東洋プライウツド株式会社 | 単板積層材 |
Also Published As
Publication number | Publication date |
---|---|
JPS5622180B2 (ja) | 1981-05-23 |
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