JPS4971810A - - Google Patents
Info
- Publication number
- JPS4971810A JPS4971810A JP10743073A JP10743073A JPS4971810A JP S4971810 A JPS4971810 A JP S4971810A JP 10743073 A JP10743073 A JP 10743073A JP 10743073 A JP10743073 A JP 10743073A JP S4971810 A JPS4971810 A JP S4971810A
- Authority
- JP
- Japan
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
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- 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
- H04B7/10—Polarisation diversity; Directional diversity
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4405072A GB1411991A (en) | 1972-09-22 | 1972-09-22 | Adjustable polarization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4971810A true JPS4971810A (en) | 1974-07-11 |
| JPS5537136B2 JPS5537136B2 (en) | 1980-09-26 |
Family
ID=10431519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10743073A Expired JPS5537136B2 (en) | 1972-09-22 | 1973-09-21 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5537136B2 (en) |
| CA (1) | CA1002618A (en) |
| DE (2) | DE2366445C2 (en) |
| FR (1) | FR2200644B1 (en) |
| GB (1) | GB1411991A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6859652B2 (en) | 2000-08-02 | 2005-02-22 | Mobile Satellite Ventures, Lp | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
| US7792488B2 (en) | 2000-12-04 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4833754A (en) * | 1971-09-02 | 1973-05-12 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3357013A (en) * | 1954-02-26 | 1967-12-05 | Gerald E Hart | System for arbitrary antenna polarization control |
| US3369234A (en) * | 1962-10-03 | 1968-02-13 | Navy Usa | Polarization control apparatus |
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1972
- 1972-09-22 GB GB4405072A patent/GB1411991A/en not_active Expired
-
1973
- 1973-09-11 CA CA180,744A patent/CA1002618A/en not_active Expired
- 1973-09-19 FR FR7333656A patent/FR2200644B1/fr not_active Expired
- 1973-09-21 DE DE19732366445 patent/DE2366445C2/de not_active Expired
- 1973-09-21 DE DE19732347719 patent/DE2347719A1/en not_active Withdrawn
- 1973-09-21 JP JP10743073A patent/JPS5537136B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4833754A (en) * | 1971-09-02 | 1973-05-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2366445C2 (en) | 1989-09-28 |
| JPS5537136B2 (en) | 1980-09-26 |
| DE2347719A1 (en) | 1974-04-04 |
| GB1411991A (en) | 1975-10-29 |
| FR2200644B1 (en) | 1979-06-01 |
| AU6035673A (en) | 1975-03-20 |
| CA1002618A (en) | 1976-12-28 |
| FR2200644A1 (en) | 1974-04-19 |