Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163061
Kind Code:
A1
Abstract:
An antenna device (4) is configured such that the antenna device is provided with: a first phase shifter (24), one end of which is connected to a fourth terminal (23d) of a directional coupler (23); a second phase shifter (25), one end of which is connected to a first terminal (23a) of the directional coupler (23); a third phase shifter (26), one end of which is connected to a second terminal (23b) of the directional coupler (23); a first matching circuit (27), one end of which is connected to the other end of the second phase shifter (25), and the other end of which is connected to a first input/output terminal (11); and a second matching circuit (28), one end of which is connected to the other end of the third phase shifter (26), and the other end of which is connected to a second input/output terminal (12).

Inventors:
AKIMOTO, Shimpei (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NISHIMOTO, Kengo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NISHIOKA, Yasuhiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/006534
Publication Date:
August 29, 2019
Filing Date:
February 22, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01Q3/26; H01P1/18; H01P5/08
Domestic Patent References:
WO2005043677A12005-05-12
WO2013087091A12013-06-20
Foreign References:
EP0416264A21991-03-13
EP0734093A11996-09-25
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (Akasaka Sanno Center Bldg. 5F, 12-4 Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
Download PDF: