JPS6453608A - Off-set parabolic antenna - Google Patents
Off-set parabolic antennaInfo
- Publication number
- JPS6453608A JPS6453608A JP21051287A JP21051287A JPS6453608A JP S6453608 A JPS6453608 A JP S6453608A JP 21051287 A JP21051287 A JP 21051287A JP 21051287 A JP21051287 A JP 21051287A JP S6453608 A JPS6453608 A JP S6453608A
- Authority
- JP
- Japan
- Prior art keywords
- inner diameter
- antenna
- large diameter
- extended
- primary radiator
- 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.)
- Pending
Links
Landscapes
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
PURPOSE:To improve a return loss characteristic by close-contacting to the large diameter side of a horn antenna where an inner diameter is extended conically, arranging a resin plate with low loss and constituting an off-set parabolic antenna made into a primary radiator. CONSTITUTION:A primary radiator 2 formed by a metallic part 7 has a large diameter input terminal 3 (inner diameter 33mm) and a small diameter output terminal 4 (inner diameter 17.5mm) and an angle is 30-40 deg. in which a horn part is extended. The length of the waveguide of the inner diameter 17.5mm is made arbitrary. The large diameter side is covered with a lid in which the thickness of a resin 6 composed of a polyethylene, polypropylene, etc., with the small loss of an electric wave is 0.5-1mm, and water and dust are prevented. Thus, a satisfactory antenna of a return loss characteristic can be manufactured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21051287A JPS6453608A (en) | 1987-08-25 | 1987-08-25 | Off-set parabolic antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21051287A JPS6453608A (en) | 1987-08-25 | 1987-08-25 | Off-set parabolic antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6453608A true JPS6453608A (en) | 1989-03-01 |
Family
ID=16590599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21051287A Pending JPS6453608A (en) | 1987-08-25 | 1987-08-25 | Off-set parabolic antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6453608A (en) |
-
1987
- 1987-08-25 JP JP21051287A patent/JPS6453608A/en active Pending
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