Title:
走査アンテナ
Document Type and Number:
Japanese Patent JP6712320
Kind Code:
B2
Abstract:
A scanning antenna includes a transmission and/or reception region including a plurality of antenna units and a non-transmission and/or reception region located in a region other than the transmission and/or reception region. The scanning antenna includes a TFT substrate, a slot substrate, and a liquid crystal layer provided between the TFT substrate and the slot substrate. The scanning antenna includes: at least one monitoring capacitance section formed in the non-transmission and/or reception region, the section including a liquid crystal layer and a monitoring capacitance, which includes a first measurement electrode and a second measurement electrode opposing each other with the liquid crystal layer interposed therebetween; and a voltage monitor connectable to the first measurement electrode of the monitoring capacitance.
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Inventors:
Junpei Takahashi
Masanobu Mizusaki
Kiyoshi Minoura
Yoji Taniguchi
Masanobu Mizusaki
Kiyoshi Minoura
Yoji Taniguchi
Application Number:
JP2018529828A
Publication Date:
June 17, 2020
Filing Date:
July 20, 2017
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H01Q3/34; H01Q3/44; H01Q13/22; H01Q21/06
Domestic Patent References:
| JP2007114577A | ||||
| JP4234202A | ||||
| JP2009538565A | ||||
| JP2000022428A |
Foreign References:
| WO2015126578A1 |
Attorney, Agent or Firm:
Seiji Okuda
Osamu Kita
Ryoji Yamashita
Akiko Miyake
Hidetaka Okabe
Yu Tanaka
Murase Nariyasu
Rinko Kita
Osamu Kita
Ryoji Yamashita
Akiko Miyake
Hidetaka Okabe
Yu Tanaka
Murase Nariyasu
Rinko Kita