JPS5657307A - Directivity switching system for reception antenna - Google Patents
Directivity switching system for reception antennaInfo
- Publication number
- JPS5657307A JPS5657307A JP13452679A JP13452679A JPS5657307A JP S5657307 A JPS5657307 A JP S5657307A JP 13452679 A JP13452679 A JP 13452679A JP 13452679 A JP13452679 A JP 13452679A JP S5657307 A JPS5657307 A JP S5657307A
- Authority
- JP
- Japan
- Prior art keywords
- reception
- circuit
- tuning
- constitution
- tuning voltage
- 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
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13452679A JPS5657307A (en) | 1979-10-17 | 1979-10-17 | Directivity switching system for reception antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13452679A JPS5657307A (en) | 1979-10-17 | 1979-10-17 | Directivity switching system for reception antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5657307A true JPS5657307A (en) | 1981-05-19 |
JPS6232843B2 JPS6232843B2 (enrdf_load_stackoverflow) | 1987-07-17 |
Family
ID=15130376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13452679A Granted JPS5657307A (en) | 1979-10-17 | 1979-10-17 | Directivity switching system for reception antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5657307A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006020207A (ja) * | 2004-07-05 | 2006-01-19 | Nec Infrontia Corp | アンテナ装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587706U (enrdf_load_stackoverflow) * | 1978-12-06 | 1980-06-17 |
-
1979
- 1979-10-17 JP JP13452679A patent/JPS5657307A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587706U (enrdf_load_stackoverflow) * | 1978-12-06 | 1980-06-17 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006020207A (ja) * | 2004-07-05 | 2006-01-19 | Nec Infrontia Corp | アンテナ装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6232843B2 (enrdf_load_stackoverflow) | 1987-07-17 |
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