ANTENNA DEVICE

• US 20180013194A1
• Filed: 06/27/2017
• Published: 01/11/2018
• Est. Priority Date: 07/05/2016
• Status: Active Grant

• Current Assignee: Panasonic Automotive Systems Company of America (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: SHIOZAKI, RYOSUKE, KASHINO, YUICHI, TAKAHASHI, KEN, SUZUKI, YUTO
• Granted Patent: US 10,446,919 B2
• Time in Patent Office: Days
• CPC Class Codes: H01Q 1/005 Damping of vibrations; Means for reducing wind-induced forces
• CPC Class Codes: H01Q 1/3233 particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
• CPC Class Codes: H01Q 1/421 Means for correcting aberrations introduced by a radome
• CPC Class Codes: H01Q 1/528 reducing the re-radiation of a support structure in a parabolic reflector antenna H01Q19/023
• CPC Class Codes: H01Q 15/14 Reflecting surfaces; Equivalent structures electromagnetic shields H01Q1/526
• CPC Class Codes: H01Q 21/065 Patch antenna array

Abstract

An antenna device comprising: one or more substrates; a first radiating element disposed on a first region of a surface of the one or more substrates that face a cover covering the antenna device: a second radiating element disposed on a second region of the surface of the one or more substrates that face the cover; a first reflecting plate that reflects an electromagnetic wave from the first radiating element; and a second reflecting plate that reflects an electromagnetic wave from the second radiating element, wherein the first reflecting plate and the second reflecting plate take different positions in a direction perpendicular to the surface of the one or more substrates that face the cover, and the first region and the second region are regions that do not overlap each other on the surface of the one or more substrates that face the cover.

Claims

1. An antenna device comprising;

one or more substrates;

a first radiating element disposed on a first region of a surface of the one or more substrates that face a cover covering the antenna device;

a second radiating element disposed on a second region of the surface of the one or more substrates that face the cover;

a first reflecting plate that reflects an electromagnetic wave from the first radiating element; and

a second reflecting plate that reflects an electromagnetic wave from the second radiating element,

wherein the first reflecting plate and the second reflecting plate take different positions in a direction perpendicular to the surface of the one or more substrates that face the cover, and

the first region and the second region are regions that do not overlap each other on the surface of the one or more substrates that face the cover.

2. The antenna device according to claim 1, wherein the one or more substrates include first sub-substrates and second sub-substrates, the first sub-substrates including the first radiating element and the first reflecting plate in the first region, the second sub-substrates including the second radiating element and the second reflecting plate in the second region, and

the first sub-substrates and the second sub-substrates take different positions in the direction perpendicular to the one or more surfaces that face the cover.

3. The antenna device according to claim 2, wherein the first sub-substrates are separate from the second sub-substrates.

4. The antenna device according to claim 2, wherein a thickness of the first sub-substrates in the first region is different from a thickness of the second sub-substrates in the second region.

5. The antenna device according to claim 1, wherein the one or more substrates include third sub-substrates including the first and second region and fourth sub-substrates including the second region,

the third sub-substrates includes the first radiating element and the first reflecting plate,

the fourth sub-substrates includes the second radiating element and the second reflecting plate, and

the fourth sub-substrates are disposed on a surface of the third sub-substrates that faces the cover.

6. The antenna device according to claim 5, wherein the fourth substrate is solder-mounted on the third substrate.