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:
Jul. 26, 2016

Filed:

Nov. 22, 2012
Applicants:

Yuki Takabayashi, Chiyoda-ku, JP;

Yasushi Obata, Chiyoda-ku, JP;

Hiroshi Kameda, Chiyoda-ku, JP;

Inventors:

Yuki Takabayashi, Chiyoda-ku, JP;

Yasushi Obata, Chiyoda-ku, JP;

Hiroshi Kameda, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 7/35 (2006.01); G01S 13/66 (2006.01); G01S 13/34 (2006.01); G01S 13/58 (2006.01);
U.S. Cl.
CPC ...
G01S 7/35 (2013.01); G01S 7/352 (2013.01); G01S 13/345 (2013.01); G01S 13/584 (2013.01); G01S 13/66 (2013.01);
Abstract

A radar device including an up-chirp tracking filter that performs a tracking process using a beat frequency at the time of an up-chirp to acquire a beat frequency, a down-chirp tracking filter that performs a tracking process using a beat frequency at the time of a down-chirp to acquire a beat frequency, target detectors that calculate distance and speed estimated values of the target for the chirps from beat frequency time series data about the chirps; an identical target determinator that determines whether or not the target detected for each of the chirps is an identical target using the distance and speed estimated values, and a distance and speed calculator that calculates a distance and a speed of the target using the beat frequency of the target which is determined to be an identical target.


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