Title:
ミリ波レーダー用カバー
Document Type and Number:
Japanese Patent JP7159049
Kind Code:
B2
Abstract:
A millimeter-wave radar cover capable of effectively utilizing electromagnetic waves (millimeter waves) of a millimeter-wave radar and sufficiently reducing unnecessary radiation of electromagnetic waves is provided.A millimeter-wave radar cover housing a millimeter-wave radar including an antenna and an electronic circuit configured to drive the antenna includes: a first site provided in front of the millimeter-wave radar to protect the millimeter-wave radar and transmit millimeter waves emitted from the antenna; and a second site including a housing space in which the antenna and the electronic circuit except for the first site are housed. The first site is made of a stacked structural body obtained by stacking at least one layer of a first constituent material having a negative permittivity in the frequency band of the millimeter waves and a second constituent material having a positive permittivity in the frequency band of the millimeter waves.
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Inventors:
Yamada Takeshi
Application Number:
JP2018538479A
Publication Date:
October 24, 2022
Filing Date:
September 08, 2017
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
G01S7/03; H01Q1/42; H01Q1/52; H01Q15/14
Domestic Patent References:
| JP11004118A | ||||
| JP11248835A | ||||
| JP56137703A | ||||
| JP57132401A | ||||
| JP2015039017A |
Foreign References:
| CN102856642A | ||||
| US20130241785 | ||||
| WO2009107684A1 | ||||
| CN102760965A | ||||
| CN102723598A | ||||
| US20030002045 | ||||
| WO2015005156A1 | ||||
| WO2008120826A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Hiroyasu Ninomiya
Ueshima class
Hiroyasu Ninomiya
Ueshima class