JPS6317388B2 - - Google Patents
Info
- Publication number
- JPS6317388B2 JPS6317388B2 JP57135538A JP13553882A JPS6317388B2 JP S6317388 B2 JPS6317388 B2 JP S6317388B2 JP 57135538 A JP57135538 A JP 57135538A JP 13553882 A JP13553882 A JP 13553882A JP S6317388 B2 JPS6317388 B2 JP S6317388B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- subscriber telephone
- switching
- leased
- telephone line
- 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
- 238000004891 communication Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57135538A JPS5844851A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57135538A JPS5844851A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54114585A Division JPS5925417B2 (ja) | 1979-09-06 | 1979-09-06 | 回線切換装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5844851A JPS5844851A (ja) | 1983-03-15 |
| JPS6317388B2 true JPS6317388B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-04-13 |
Family
ID=15154117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57135538A Granted JPS5844851A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844851A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030250A (ja) * | 1983-07-28 | 1985-02-15 | Fujitsu Ltd | 自動着信制御装置 |
| JPS6249745A (ja) * | 1985-08-29 | 1987-03-04 | Nec Corp | 回線切換装置 |
| US5153912A (en) * | 1987-03-11 | 1992-10-06 | Canon Kabushiki Kaisha | Data communication apparatus |
-
1982
- 1982-08-02 JP JP57135538A patent/JPS5844851A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5844851A (ja) | 1983-03-15 |