Title:
COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/054611
Kind Code:
A1
Abstract:
This communication device is provided with: a first antenna element; a second antenna element; a 180-degrees hybrid circuit provided with a first port that generates a sum signal of a plurality of input signals, and a second port that generates a difference signal of the plurality of input signals; a first phase shifter that is connected to the 180-degrees hybrid circuit and performs a first phase amount shift; and a second phase shifter that is connected to the 180-degrees hybrid circuit and performs a second phase amount shift. The first antenna element is connected to the first port of the 180-degrees hybrid circuit, and the second antenna element is connected to the second port of the 180-degrees hybrid circuit.
Inventors:
MOTOI KEIICHI (JP)
Application Number:
PCT/JP2019/035178
Publication Date:
March 19, 2020
Filing Date:
September 06, 2019
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04B1/40; H01Q25/02
Domestic Patent References:
| WO2011083712A1 | 2011-07-14 |
Foreign References:
| JPH08237002A | 1996-09-13 | |||
| JP2001189624A | 2001-07-10 | |||
| JPH08111651A | 1996-04-30 | |||
| JP2017520164A | 2017-07-20 | |||
| JPH04111502A | 1992-04-13 | |||
| US5767814A | 1998-06-16 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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