Title:
ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2016146591
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an antenna device which can be shared by multifrequency while adjusting the beam width.SOLUTION: An antenna device includes a first radiation unit for radiating the electromagnetic waves in first frequency band, a first reflection unit for reflecting the electromagnetic waves in the first frequency band, a second radiation unit disposed on the opposite side from the first reflection unit with reference to the first radiation unit, and radiating the electromagnetic waves in the second frequency band, and a second reflection unit disposed between the first radiation unit and second radiation unit, and having a period array structure where a plurality of metal elements are arranged periodically, and transmitting the electromagnetic waves in the first frequency band, and reflecting the electromagnetic waves in the second frequency band.SELECTED DRAWING: Figure 1
Inventors:
SO HIDEYA
ANDOU ATSUYA
SUGIYAMA TAKATOSHI
CHO KEIZO
ANDOU ATSUYA
SUGIYAMA TAKATOSHI
CHO KEIZO
Application Number:
JP2015023398A
Publication Date:
August 12, 2016
Filing Date:
February 09, 2015
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
CHIBA INST TECHNOLOGY
CHIBA INST TECHNOLOGY
International Classes:
H01Q19/00; H01Q21/10; H01Q21/28
Domestic Patent References:
| JPH0582120U | 1993-11-05 | |||
| JP2002368530A | 2002-12-20 | |||
| JP2014045278A | 2014-03-13 | |||
| JP2011244136A | 2011-12-01 | |||
| JPH05275920A | 1993-10-22 |
Foreign References:
| US5130718A | 1992-07-14 |
Attorney, Agent or Firm:
Shiga International Patent Office
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