JPS5523601A - Multi-information system - Google Patents
Multi-information systemInfo
- Publication number
- JPS5523601A JPS5523601A JP7455978A JP7455978A JPS5523601A JP S5523601 A JPS5523601 A JP S5523601A JP 7455978 A JP7455978 A JP 7455978A JP 7455978 A JP7455978 A JP 7455978A JP S5523601 A JPS5523601 A JP S5523601A
- Authority
- JP
- Japan
- Prior art keywords
- area
- underground
- strength
- electromagnetic waves
- antenna
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
-
- 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
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/57—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for mobile receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7455978A JPS5523601A (en) | 1978-06-20 | 1978-06-20 | Multi-information system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7455978A JPS5523601A (en) | 1978-06-20 | 1978-06-20 | Multi-information system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5523601A true JPS5523601A (en) | 1980-02-20 |
Family
ID=13550697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7455978A Pending JPS5523601A (en) | 1978-06-20 | 1978-06-20 | Multi-information system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5523601A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7111368B2 (en) | 2002-09-20 | 2006-09-26 | Ykk Corporation | Buckle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3078348A (en) * | 1959-01-27 | 1963-02-19 | Frank H Mcintosh | Lecture broadcasting system |
JPS4843816A (ja) * | 1971-10-07 | 1973-06-25 | ||
US3766476A (en) * | 1971-05-21 | 1973-10-16 | United Communications Ind Inc | Highway radio communication system |
JPS51122308A (en) * | 1975-04-18 | 1976-10-26 | Yahata Denki Sangyo Kk | Inductive radio communication system |
JPS52146110A (en) * | 1976-05-29 | 1977-12-05 | Guroobaru Shinkou Kk | Explanation system in zoo or the like |
-
1978
- 1978-06-20 JP JP7455978A patent/JPS5523601A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3078348A (en) * | 1959-01-27 | 1963-02-19 | Frank H Mcintosh | Lecture broadcasting system |
US3766476A (en) * | 1971-05-21 | 1973-10-16 | United Communications Ind Inc | Highway radio communication system |
JPS4843816A (ja) * | 1971-10-07 | 1973-06-25 | ||
JPS51122308A (en) * | 1975-04-18 | 1976-10-26 | Yahata Denki Sangyo Kk | Inductive radio communication system |
JPS52146110A (en) * | 1976-05-29 | 1977-12-05 | Guroobaru Shinkou Kk | Explanation system in zoo or the like |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7111368B2 (en) | 2002-09-20 | 2006-09-26 | Ykk Corporation | Buckle |
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