JPS5426445B2 - - Google Patents
Info
- Publication number
- JPS5426445B2 JPS5426445B2 JP6592175A JP6592175A JPS5426445B2 JP S5426445 B2 JPS5426445 B2 JP S5426445B2 JP 6592175 A JP6592175 A JP 6592175A JP 6592175 A JP6592175 A JP 6592175A JP S5426445 B2 JPS5426445 B2 JP S5426445B2
- 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
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
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 |
|---|---|---|---|
| JP6592175A JPS51141507A (en) | 1975-05-31 | 1975-05-31 | Speaker talking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6592175A JPS51141507A (en) | 1975-05-31 | 1975-05-31 | Speaker talking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51141507A JPS51141507A (en) | 1976-12-06 |
| JPS5426445B2 true JPS5426445B2 (ja) | 1979-09-04 |
Family
ID=13300905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6592175A Granted JPS51141507A (en) | 1975-05-31 | 1975-05-31 | Speaker talking system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51141507A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5429904A (en) * | 1977-08-11 | 1979-03-06 | Fujitsu Ltd | Monitor system of key telephone system |
-
1975
- 1975-05-31 JP JP6592175A patent/JPS51141507A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51141507A (en) | 1976-12-06 |