JPS6259501B2 - - Google Patents
Info
- Publication number
- JPS6259501B2 JPS6259501B2 JP57135537A JP13553782A JPS6259501B2 JP S6259501 B2 JPS6259501 B2 JP S6259501B2 JP 57135537 A JP57135537 A JP 57135537A JP 13553782 A JP13553782 A JP 13553782A JP S6259501 B2 JPS6259501 B2 JP S6259501B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- telephone
- leased
- switching device
- subscriber telephone
- 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
- 238000012544 monitoring process Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008054 signal transmission Effects 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 |
|---|---|---|---|
| JP57135537A JPS5844850A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57135537A JPS5844850A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56045772A Division JPS57160258A (en) | 1981-03-28 | 1981-03-28 | Circuit switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5844850A JPS5844850A (ja) | 1983-03-15 |
| JPS6259501B2 true JPS6259501B2 (enrdf_load_stackoverflow) | 1987-12-11 |
Family
ID=15154093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57135537A Granted JPS5844850A (ja) | 1982-08-02 | 1982-08-02 | 回線切換装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844850A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01143368U (enrdf_load_stackoverflow) * | 1988-03-25 | 1989-10-02 | ||
| JPH0565603U (ja) * | 1992-02-19 | 1993-08-31 | 関東自動車工業株式会社 | キャスター |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153912A (en) * | 1987-03-11 | 1992-10-06 | Canon Kabushiki Kaisha | Data communication apparatus |
| JPH02188055A (ja) * | 1989-01-17 | 1990-07-24 | Canon Inc | 通信装置 |
-
1982
- 1982-08-02 JP JP57135537A patent/JPS5844850A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01143368U (enrdf_load_stackoverflow) * | 1988-03-25 | 1989-10-02 | ||
| JPH0565603U (ja) * | 1992-02-19 | 1993-08-31 | 関東自動車工業株式会社 | キャスター |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5844850A (ja) | 1983-03-15 |
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