Title:
ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2019158592
Kind Code:
A
Abstract:
To provide an antenna device that is more suitable for transmitting/receiving an electromagnetic wave via a cover member.SOLUTION: An antenna device, which conducts transmission/reception of an electromagnetic wave via a cover member B disposed so as to cover a front area outside the device, has: a circuit substrate 1; an antenna unit that is disposed inside the circuit substrate, and transmits the electromagnetic wave toward the front area, and receives the electromagnetic wave from the front area; a housing 6 that has a window part transmitting the electromagnetic wave in a fron surface, and houses the circuit substrate 1 so that the transmission/reception of the electromagnetic wave is conducted via the window part; and a bracket 8 that holds the housing 6, and fixes the housing 6 to the cover member B in front of the window part. The bracket 8 is disposed so as to cover an area in front of the window part and so as to closely adhere to an inner surface of the cover member B, and has a sheet-like or plate-like adjustment unit 8c that adjusts a passage characteristic of the electromagnetic wave in the cover member B.SELECTED DRAWING: Figure 13
Inventors:
SHIOZAKI RYOSUKE
SHIBATA OSAMU
TAKAHASHI TAKESHI
SHIBATA OSAMU
TAKAHASHI TAKESHI
Application Number:
JP2018045503A
Publication Date:
September 19, 2019
Filing Date:
March 13, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
G01S7/03; G01S13/931; H01Q1/22; H01Q1/42; H01Q15/08
Domestic Patent References:
| JP2015137877A | 2015-07-30 | |||
| JPS4724254A | 1972-10-16 | |||
| JPS54107655A | 1979-08-23 | |||
| JP2016145777A | 2016-08-12 | |||
| JPH08179030A | 1996-07-12 | |||
| JP2006140956A | 2006-06-01 |
Foreign References:
| US5583511A | 1996-12-10 |
Attorney, Agent or Firm:
Washeda International Patent Office
Koichi Washida
Koichi Washida