JPS5631784B2 - - Google Patents
Info
- Publication number
- JPS5631784B2 JPS5631784B2 JP15125677A JP15125677A JPS5631784B2 JP S5631784 B2 JPS5631784 B2 JP S5631784B2 JP 15125677 A JP15125677 A JP 15125677A JP 15125677 A JP15125677 A JP 15125677A JP S5631784 B2 JPS5631784 B2 JP S5631784B2
- Authority
- JP
- Japan
- 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
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125677A JPS5482904A (en) | 1977-12-15 | 1977-12-15 | Call out circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125677A JPS5482904A (en) | 1977-12-15 | 1977-12-15 | Call out circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5482904A JPS5482904A (en) | 1979-07-02 |
| JPS5631784B2 true JPS5631784B2 (en) | 1981-07-23 |
Family
ID=15514678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15125677A Granted JPS5482904A (en) | 1977-12-15 | 1977-12-15 | Call out circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5482904A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5843064U (en) * | 1981-09-16 | 1983-03-23 | 明星電気株式会社 | sound source circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5340087Y2 (en) * | 1974-04-04 | 1978-09-28 |
-
1977
- 1977-12-15 JP JP15125677A patent/JPS5482904A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5482904A (en) | 1979-07-02 |