ZA801802B - Multiple antennae arrangements coupled via a power divider to provide directional and/or omni-directional characteristics - Google Patents
Multiple antennae arrangements coupled via a power divider to provide directional and/or omni-directional characteristicsInfo
- Publication number
- ZA801802B ZA801802B ZA00801802A ZA801802A ZA801802B ZA 801802 B ZA801802 B ZA 801802B ZA 00801802 A ZA00801802 A ZA 00801802A ZA 801802 A ZA801802 A ZA 801802A ZA 801802 B ZA801802 B ZA 801802B
- Authority
- ZA
- South Africa
- Prior art keywords
- directional
- omni
- coupled via
- power divider
- multiple antennae
- Prior art date
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
- H04B7/0837—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 pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2912087A DE2912087C2 (en) | 1979-03-27 | 1979-03-27 | Antenna with a diagram showing undesirable zeros |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA801802B true ZA801802B (en) | 1981-03-25 |
Family
ID=6066595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00801802A ZA801802B (en) | 1979-03-27 | 1980-03-26 | Multiple antennae arrangements coupled via a power divider to provide directional and/or omni-directional characteristics |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0017037A1 (en) |
| JP (1) | JPS55132105A (en) |
| AR (1) | AR226427A1 (en) |
| AU (1) | AU518492B2 (en) |
| BR (1) | BR8001828A (en) |
| CA (1) | CA1146668A (en) |
| DE (1) | DE2912087C2 (en) |
| DK (1) | DK129580A (en) |
| ES (1) | ES489990A1 (en) |
| FI (1) | FI800930A (en) |
| LU (1) | LU81928A1 (en) |
| MX (1) | MX147949A (en) |
| NO (1) | NO800844L (en) |
| YU (1) | YU85680A (en) |
| ZA (1) | ZA801802B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK176625B1 (en) * | 1996-07-05 | 2008-12-01 | Ipcom Gmbh & Co Kg | Handheld device with antenna means for transmitting a radio signal |
| JP5636321B2 (en) * | 2011-03-29 | 2014-12-03 | 株式会社日立国際八木ソリューションズ | Antenna sharing system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE528237A (en) * | 1953-04-22 | 1900-01-01 | ||
| US3357018A (en) * | 1964-11-06 | 1967-12-05 | Itek Corp | Mode-averaging diversity combining reception system for high-frequency radio waves |
| DE1541410A1 (en) * | 1966-10-29 | 1969-10-23 | Inst Rundfunktechnik Gmbh | Device for reducing field strength drops |
| GB1389817A (en) * | 1969-11-27 | 1975-04-09 | Emi Ltd | Radar systems |
| JPS5411095B2 (en) * | 1972-06-06 | 1979-05-11 | ||
| GB1450392A (en) * | 1972-06-20 | 1976-09-22 | Plessey Co Ltd | Communicagions equipment |
| GB1508680A (en) * | 1976-11-15 | 1978-04-26 | British Broadcasting Corp | Combining of nominally-similar electrical audio signals |
-
1979
- 1979-03-27 DE DE2912087A patent/DE2912087C2/en not_active Expired
- 1979-11-26 LU LU81928A patent/LU81928A1/en unknown
-
1980
- 1980-03-03 AR AR280155A patent/AR226427A1/en active
- 1980-03-12 EP EP80101283A patent/EP0017037A1/en not_active Ceased
- 1980-03-24 NO NO800844A patent/NO800844L/en unknown
- 1980-03-24 CA CA000348259A patent/CA1146668A/en not_active Expired
- 1980-03-25 MX MX181703A patent/MX147949A/en unknown
- 1980-03-26 DK DK129580A patent/DK129580A/en unknown
- 1980-03-26 FI FI800930A patent/FI800930A/en not_active Application Discontinuation
- 1980-03-26 BR BR8001828A patent/BR8001828A/en unknown
- 1980-03-26 ZA ZA00801802A patent/ZA801802B/en unknown
- 1980-03-26 AU AU56851/80A patent/AU518492B2/en not_active Ceased
- 1980-03-27 JP JP3828080A patent/JPS55132105A/en active Pending
- 1980-03-27 ES ES489990A patent/ES489990A1/en not_active Expired
- 1980-03-27 YU YU00856/80A patent/YU85680A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK129580A (en) | 1980-09-28 |
| EP0017037A1 (en) | 1980-10-15 |
| BR8001828A (en) | 1980-11-18 |
| DE2912087A1 (en) | 1980-10-02 |
| AU518492B2 (en) | 1981-10-01 |
| NO800844L (en) | 1980-09-29 |
| AR226427A1 (en) | 1982-07-15 |
| JPS55132105A (en) | 1980-10-14 |
| DE2912087C2 (en) | 1982-06-24 |
| FI800930A (en) | 1980-09-28 |
| LU81928A1 (en) | 1980-02-29 |
| YU85680A (en) | 1983-09-30 |
| MX147949A (en) | 1983-02-09 |
| CA1146668A (en) | 1983-05-17 |
| ES489990A1 (en) | 1980-10-01 |
| AU5685180A (en) | 1980-10-09 |
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