Title:
SUPERTURNSTILE ANTENNA
Document Type and Number:
Japanese Patent JP2017046218
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a superturnstile antenna that requires reduced types of members to be used.SOLUTION: A 0° feeding system 100 and a 90° feeding system 200 each have a first feeding pipe 11 and a second feeding pipe 12, a first antenna element 21 provided on one side of the first feeding pipe 11 and a second antenna element 22 provided on the other side thereof, and a third antenna element 23 provided on one side of the second feeding pipe 12 and a fourth antenna element 24 provided on the other side thereof. The first antenna element 21 is provided on the front side of the first feeding pipe 11 and the fourth antenna element 24 is provided on the front side of the second feeding pipe 12. The second antenna element 22 is provided on the back side of the first feeding pipe 11 and the third antenna element 23 is provided on the back side of the second feeding pipe 12. The 0° feeding system 100 and the 90° feeding system 200 are coaxially coupled and the 90° feeding system 200 coupled with the 0° feeding system 100 has a shape obtained by vertically inverting the 0° feeding system 100.SELECTED DRAWING: Figure 1
Inventors:
MAJIMA ATSUSHI
TAKANO TOSHIYUKI
KIMURA TOSHIYA
HATAYAMA SHINGO
UEHARA KAZUTAKA
TAKANO TOSHIYUKI
KIMURA TOSHIYA
HATAYAMA SHINGO
UEHARA KAZUTAKA
Application Number:
JP2015167954A
Publication Date:
March 02, 2017
Filing Date:
August 27, 2015
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
H01Q21/26
Domestic Patent References:
| JP2002151946A | 2002-05-24 | |||
| JPH11340733A | 1999-12-10 |
Foreign References:
| US2480154A | 1949-08-30 |
Attorney, Agent or Firm:
Tsutsui International Patent Office
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