JPS5715507B2 - - Google Patents
Info
- Publication number
- JPS5715507B2 JPS5715507B2 JP11691275A JP11691275A JPS5715507B2 JP S5715507 B2 JPS5715507 B2 JP S5715507B2 JP 11691275 A JP11691275 A JP 11691275A JP 11691275 A JP11691275 A JP 11691275A JP S5715507 B2 JPS5715507 B2 JP S5715507B2
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11691275A JPS5240906A (en) | 1975-09-26 | 1975-09-26 | Conference telephone conversation system through time division exchang e |
| US05/703,068 US4097694A (en) | 1975-07-09 | 1976-07-06 | Time-division telephone system embodying trunks having demodulating-adder circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11691275A JPS5240906A (en) | 1975-09-26 | 1975-09-26 | Conference telephone conversation system through time division exchang e |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5240906A JPS5240906A (en) | 1977-03-30 |
| JPS5715507B2 true JPS5715507B2 (et) | 1982-03-31 |
Family
ID=14698717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11691275A Granted JPS5240906A (en) | 1975-07-09 | 1975-09-26 | Conference telephone conversation system through time division exchang e |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5240906A (et) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63292708A (ja) * | 1987-05-25 | 1988-11-30 | Nec Corp | 非線形信号発生回路 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4898705A (et) * | 1972-03-27 | 1973-12-14 |
-
1975
- 1975-09-26 JP JP11691275A patent/JPS5240906A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4898705A (et) * | 1972-03-27 | 1973-12-14 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63292708A (ja) * | 1987-05-25 | 1988-11-30 | Nec Corp | 非線形信号発生回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5240906A (en) | 1977-03-30 |