JPS6231543B2 - - Google Patents
Info
- Publication number
- JPS6231543B2 JPS6231543B2 JP4140879A JP4140879A JPS6231543B2 JP S6231543 B2 JPS6231543 B2 JP S6231543B2 JP 4140879 A JP4140879 A JP 4140879A JP 4140879 A JP4140879 A JP 4140879A JP S6231543 B2 JPS6231543 B2 JP S6231543B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- terminal
- subscriber
- input
- output
- 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
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4140879A JPS55134571A (en) | 1979-04-05 | 1979-04-05 | Subscriber's circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4140879A JPS55134571A (en) | 1979-04-05 | 1979-04-05 | Subscriber's circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55134571A JPS55134571A (en) | 1980-10-20 |
| JPS6231543B2 true JPS6231543B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-07-09 |
Family
ID=12607523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4140879A Granted JPS55134571A (en) | 1979-04-05 | 1979-04-05 | Subscriber's circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55134571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1979
- 1979-04-05 JP JP4140879A patent/JPS55134571A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55134571A (en) | 1980-10-20 |
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