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:
Sep. 20, 2022

Filed:

Jul. 22, 2020
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Takayuki Kitamura, Kariya, JP;

Takuya Takayama, Kariya, JP;

Kazuhiro Aoki, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/34 (2006.01); G01S 7/03 (2006.01); G01S 13/931 (2020.01); H01Q 1/32 (2006.01); H01Q 3/30 (2006.01); H01Q 21/06 (2006.01);
U.S. Cl.
CPC ...
G01S 7/032 (2013.01); G01S 13/34 (2013.01); G01S 13/931 (2013.01); H01Q 1/3233 (2013.01); H01Q 3/30 (2013.01); H01Q 21/061 (2013.01); G01S 13/343 (2013.01);
Abstract

A transmission antenna unit includes transmission antennas arranged in a row along a predetermined array direction at a predetermined first interval. A reception antenna unit includes reception antennas arranged in a row along the array direction at a second interval set to differ from the first interval. The transmission antennas and the reception antennas form a virtual array in which virtual reception antennas are arranged in a row along the array direction. The first interval is equal to a multiplication value of a minimum interval being a minimum value of an arrangement interval of the virtual reception antennas and a first multiple being an integer of 2 or greater. The second interval is equal to a multiplication value of the minimum interval and a second multiple being an integer of 2 or greater and set to differ from the first multiple. The first and second multiples are coprime.


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