The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 01, 2022

Filed:

Sep. 14, 2018
Applicant:

Hitachi Automotive Systems, Ltd., Hitachinaka, JP;

Inventors:

Katsumi Ouchi, Hitachinaka, JP;

Akira Kitayama, Hitachinaka, JP;

Hiroshi Kuroda, Hitachinaka, JP;

Assignee:

Hitachi Astemo, Ltd., Hitachinaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/44 (2006.01); G01S 7/03 (2006.01); H01Q 19/08 (2006.01); H01Q 21/06 (2006.01);
U.S. Cl.
CPC ...
G01S 13/44 (2013.01); G01S 7/03 (2013.01); H01Q 19/08 (2013.01); H01Q 21/06 (2013.01);
Abstract

The present invention minimizes the overall area occupied by a reception antenna while preventing erroneous detections resulting from azimuth aliasing. A reception antenna includes antenna elements that are disposed along the horizontal direction, antenna elements that are disposed along the vertical direction, and an antenna element that is disposed at an angle from the antenna elements with respect to the horizontal direction and is disposed at an angle from the antenna elements with respect to the vertical direction. The distance between the centers of the antenna elements in the horizontal direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the horizontal direction. The distance between the centers of the antenna elements in the vertical direction differs from the distances between the center of the antenna element and the respective centers of the antenna elements in the vertical direction.


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