JPS5647754B2 - - Google Patents
Info
- Publication number
- JPS5647754B2 JPS5647754B2 JP5490076A JP5490076A JPS5647754B2 JP S5647754 B2 JPS5647754 B2 JP S5647754B2 JP 5490076 A JP5490076 A JP 5490076A JP 5490076 A JP5490076 A JP 5490076A JP S5647754 B2 JPS5647754 B2 JP S5647754B2
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5490076A JPS52137908A (en) | 1976-05-14 | 1976-05-14 | Head-on collision supervisory system of transmission and reception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5490076A JPS52137908A (en) | 1976-05-14 | 1976-05-14 | Head-on collision supervisory system of transmission and reception |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52137908A JPS52137908A (en) | 1977-11-17 |
| JPS5647754B2 true JPS5647754B2 (enExample) | 1981-11-11 |
Family
ID=12983468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5490076A Granted JPS52137908A (en) | 1976-05-14 | 1976-05-14 | Head-on collision supervisory system of transmission and reception |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52137908A (enExample) |
-
1976
- 1976-05-14 JP JP5490076A patent/JPS52137908A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52137908A (en) | 1977-11-17 |