JPS5880939A - アンテナ装置 - Google Patents
アンテナ装置Info
- Publication number
- JPS5880939A JPS5880939A JP56179247A JP17924781A JPS5880939A JP S5880939 A JPS5880939 A JP S5880939A JP 56179247 A JP56179247 A JP 56179247A JP 17924781 A JP17924781 A JP 17924781A JP S5880939 A JPS5880939 A JP S5880939A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- antenna
- level
- output
- electric field
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56179247A JPS5880939A (ja) | 1981-11-09 | 1981-11-09 | アンテナ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56179247A JPS5880939A (ja) | 1981-11-09 | 1981-11-09 | アンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5880939A true JPS5880939A (ja) | 1983-05-16 |
JPH0229249B2 JPH0229249B2 (enrdf_load_stackoverflow) | 1990-06-28 |
Family
ID=16062502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56179247A Granted JPS5880939A (ja) | 1981-11-09 | 1981-11-09 | アンテナ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5880939A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3427473A1 (de) * | 1983-07-25 | 1985-02-14 | Sony Corp., Tokio/Tokyo | Diversityempfaenger |
US4626858A (en) * | 1983-04-01 | 1986-12-02 | Kentron International, Inc. | Antenna system |
-
1981
- 1981-11-09 JP JP56179247A patent/JPS5880939A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4626858A (en) * | 1983-04-01 | 1986-12-02 | Kentron International, Inc. | Antenna system |
DE3427473A1 (de) * | 1983-07-25 | 1985-02-14 | Sony Corp., Tokio/Tokyo | Diversityempfaenger |
Also Published As
Publication number | Publication date |
---|---|
JPH0229249B2 (enrdf_load_stackoverflow) | 1990-06-28 |