JPS5431926B2 - - Google Patents
Info
- Publication number
- JPS5431926B2 JPS5431926B2 JP9560975A JP9560975A JPS5431926B2 JP S5431926 B2 JPS5431926 B2 JP S5431926B2 JP 9560975 A JP9560975 A JP 9560975A JP 9560975 A JP9560975 A JP 9560975A JP S5431926 B2 JPS5431926 B2 JP S5431926B2
- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Radio Transmission System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50095609A JPS5219910A (en) | 1975-08-06 | 1975-08-06 | Wiresless communication method between the underground and the ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50095609A JPS5219910A (en) | 1975-08-06 | 1975-08-06 | Wiresless communication method between the underground and the ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5219910A JPS5219910A (en) | 1977-02-15 |
| JPS5431926B2 true JPS5431926B2 (en:Method) | 1979-10-11 |
Family
ID=14142281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50095609A Granted JPS5219910A (en) | 1975-08-06 | 1975-08-06 | Wiresless communication method between the underground and the ground |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5219910A (en:Method) |
-
1975
- 1975-08-06 JP JP50095609A patent/JPS5219910A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5219910A (en) | 1977-02-15 |