JPS5645537B2 - - Google Patents
Info
- Publication number
- JPS5645537B2 JPS5645537B2 JP15289376A JP15289376A JPS5645537B2 JP S5645537 B2 JPS5645537 B2 JP S5645537B2 JP 15289376 A JP15289376 A JP 15289376A JP 15289376 A JP15289376 A JP 15289376A JP S5645537 B2 JPS5645537 B2 JP S5645537B2
- 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
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Waveguides (AREA)
- Waveguide Aerials (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15289376A JPS5377408A (en) | 1976-12-21 | 1976-12-21 | Communication unit in tunnel and underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15289376A JPS5377408A (en) | 1976-12-21 | 1976-12-21 | Communication unit in tunnel and underground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5377408A JPS5377408A (en) | 1978-07-08 |
| JPS5645537B2 true JPS5645537B2 (enExample) | 1981-10-27 |
Family
ID=15550421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15289376A Granted JPS5377408A (en) | 1976-12-21 | 1976-12-21 | Communication unit in tunnel and underground |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5377408A (enExample) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4020332Y1 (enExample) * | 1964-11-09 | 1965-07-15 | ||
| JPS5042664U (enExample) * | 1973-08-17 | 1975-04-30 | ||
| JPS5839307B2 (ja) * | 1974-11-18 | 1983-08-29 | 松下電器産業株式会社 | コタイマイクロハソウチ |
-
1976
- 1976-12-21 JP JP15289376A patent/JPS5377408A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5377408A (en) | 1978-07-08 |