JPS56122535A - Antenna equipment - Google Patents
Antenna equipmentInfo
- Publication number
- JPS56122535A JPS56122535A JP2628580A JP2628580A JPS56122535A JP S56122535 A JPS56122535 A JP S56122535A JP 2628580 A JP2628580 A JP 2628580A JP 2628580 A JP2628580 A JP 2628580A JP S56122535 A JPS56122535 A JP S56122535A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- antenna
- antennas
- band
- antenna switching
- 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
- 238000001514 detection method Methods 0.000 abstract 2
- 238000007634 remodeling Methods 0.000 abstract 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
- H04B7/0814—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)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Radio Transmission System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2628580A JPS56122535A (en) | 1980-03-03 | 1980-03-03 | Antenna equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2628580A JPS56122535A (en) | 1980-03-03 | 1980-03-03 | Antenna equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56122535A true JPS56122535A (en) | 1981-09-26 |
JPS6221454B2 JPS6221454B2 (enrdf_load_stackoverflow) | 1987-05-13 |
Family
ID=12189014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2628580A Granted JPS56122535A (en) | 1980-03-03 | 1980-03-03 | Antenna equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56122535A (enrdf_load_stackoverflow) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60136435A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS60136432A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS60136433A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | 車載用ダイバーシティ受信装置 |
JPS60136434A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS6230441U (enrdf_load_stackoverflow) * | 1985-08-07 | 1987-02-24 | ||
KR19980070581A (ko) * | 1997-01-20 | 1998-10-26 | 이데이노브유끼 | 헤드폰 장치 |
-
1980
- 1980-03-03 JP JP2628580A patent/JPS56122535A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60136435A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS60136432A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS60136433A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | 車載用ダイバーシティ受信装置 |
JPS60136434A (ja) * | 1983-12-24 | 1985-07-19 | Matsushita Electric Ind Co Ltd | ダイバ−シテイ受信装置 |
JPS6230441U (enrdf_load_stackoverflow) * | 1985-08-07 | 1987-02-24 | ||
KR19980070581A (ko) * | 1997-01-20 | 1998-10-26 | 이데이노브유끼 | 헤드폰 장치 |
Also Published As
Publication number | Publication date |
---|---|
JPS6221454B2 (enrdf_load_stackoverflow) | 1987-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY132988A (en) | Space diversity receiving circuit | |
EP0318665A3 (en) | Antenna selection control circuit | |
GB2341521A (en) | Making measurements on parallel frequencies in a radio communications device | |
JPS56122535A (en) | Antenna equipment | |
JPS56128030A (en) | Mobile receiving antenna system | |
JPS5779739A (en) | Space diversity reception system | |
JPS57188103A (en) | Antenna for radio receiver of automobile | |
JPS57202136A (en) | Muting circuit | |
JPS56122534A (en) | Receiving equipment | |
JPS5448403A (en) | Receiver | |
JPS57188147A (en) | Radio transmitter and receiver | |
JPS5325307A (en) | Sensitiv ity switching circuit of radio receiver | |
JPS5437662A (en) | Suppressing system of si de lobe reception signal of antenna | |
JPS5294712A (en) | Receiver | |
JPS55140337A (en) | Intermodulation disturbance improving circuit of radio receiver | |
JPS56168443A (en) | Diversity receiver for car | |
ES452237A1 (es) | Una disposicion de circuito, en particular para receptores de radio. | |
JPS5413244A (en) | Filter circuit | |
JPS56158541A (en) | Diversity receiver for car | |
JPS56122502A (en) | Mobile receiver | |
JPS5220715A (en) | Receiving band switching equipment | |
JPS56122532A (en) | Receiving antenna system | |
JPS5511630A (en) | Radio receiver | |
JPS5530647A (en) | Directive compression receiver | |
JPS56168442A (en) | Diversity receiver for car |