Title:
ARRAY ANTENNA DEVICE WITH SHORTEST WIRING DISTANCE TO ANTENNA ELEMENT
Document Type and Number:
WIPO Patent Application WO/2011/078029
Kind Code:
A1
Abstract:
Disclosed is an array antenna device which comprises: a wireless circuit; an array antenna comprising a plurality of antenna elements; a plurality of power supply lines respectively connecting the wireless circuit and the antenna elements; and a delay circuit inserted in one or a plurality of the power supply lines. Each delay circuit is set to have an amount of delay such that the total of the phase delay caused by the same delay circuit and the phase delay caused by the difference between the length of the corresponding power supply line and the prescribed standard length is an integral multiple of 360°.
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Inventors:
ORIHASHI NAOYUKI (JP)
Application Number:
PCT/JP2010/072543
Publication Date:
June 30, 2011
Filing Date:
December 15, 2010
Export Citation:
Assignee:
NEC CORP (JP)
ORIHASHI NAOYUKI (JP)
ORIHASHI NAOYUKI (JP)
International Classes:
H01Q3/30; H01Q21/06; H04B7/10
Foreign References:
| JP2000091831A | 2000-03-31 | |||
| JPH11317619A | 1999-11-16 | |||
| JP2003142923A | 2003-05-16 | |||
| JPH1174717A | 1999-03-16 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Sumio Tanai (JP)
Sumio Tanai (JP)
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