Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/136861
Kind Code:
A1
Abstract:
Provided is an antenna device that secures heat dissipation nature, while having a thin shape. An array antenna 1 comprises: a transmission array antenna 1a that transmits radio waves to a communication target; and a reception array antenna 1b that receives radio waves from the communication target, wherein the array antenna 1 is disposed on a flat type of antenna adaptor 2. The antenna adaptor 2 is so disposed as to be opposed to a movable-body surface 7 with a gap therebetween and has a plurality of through holes 11 extending therethrough between a surface on which the array antenna 1 is disposed and a surface opposed to the movable-body surface 7. The array antenna 1 and the antenna adaptor 2 are covered by a radome 3. A skirt 4 is fixed to the perimeter of the antenna adaptor 2, and the skirt 4 has an end connected to the radome 3 and has the other end connected to the movable-body surface 7. A blower 9 is disposed in an interior sealed by the radome 3, skirt 4 and movable-body surface 7 and generates an air current 14 that flows through an area surrounded by the radome 3 and by that surface of the antenna adaptor 2 on which the array antenna 1 is disposed.
Inventors:
NAGASE AKIHIRO (JP)
Application Number:
PCT/JP2018/048436
Publication Date:
July 02, 2020
Filing Date:
December 28, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01Q1/32; H01Q1/28; H01Q1/42; H01Q21/06
Foreign References:
| JP3082946U | 2002-01-11 | |||
| JP2012161035A | 2012-08-23 | |||
| JP2013031074A | 2013-02-07 | |||
| JP2008167020A | 2008-07-17 |
Other References:
See also references of EP 3905432A4
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
Download PDF: