JPS625387B2 - - Google Patents
Info
- Publication number
- JPS625387B2 JPS625387B2 JP54134556A JP13455679A JPS625387B2 JP S625387 B2 JPS625387 B2 JP S625387B2 JP 54134556 A JP54134556 A JP 54134556A JP 13455679 A JP13455679 A JP 13455679A JP S625387 B2 JPS625387 B2 JP S625387B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- level
- antenna
- comparison circuit
- counter
- 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.)
- Expired
Links
- 238000005070 sampling Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000005562 fading Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- H04B7/0808—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 comparing all antennas before reception
- H04B7/0811—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 comparing all antennas before reception during preamble or gap period
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Details Of Television Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13455679A JPS5657365A (en) | 1979-10-17 | 1979-10-17 | Television reception antenna device for mounting onto travelling object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13455679A JPS5657365A (en) | 1979-10-17 | 1979-10-17 | Television reception antenna device for mounting onto travelling object |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5657365A JPS5657365A (en) | 1981-05-19 |
JPS625387B2 true JPS625387B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-02-04 |
Family
ID=15131078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13455679A Granted JPS5657365A (en) | 1979-10-17 | 1979-10-17 | Television reception antenna device for mounting onto travelling object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5657365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60165879A (ja) * | 1984-02-08 | 1985-08-29 | Sony Corp | テレビアンテナの切換え装置 |
JP2002314469A (ja) * | 2001-04-17 | 2002-10-25 | Uniden Corp | ダイバーシチアンテナ切換装置及び方法並びにプログラム |
-
1979
- 1979-10-17 JP JP13455679A patent/JPS5657365A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5657365A (en) | 1981-05-19 |
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