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.
Patent No.:
Date of Patent:
Jul. 13, 2021
Filed:
Jan. 28, 2020
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Taichi Yamaguchi, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); H04W 4/02 (2018.01); H04B 17/318 (2015.01); H04W 4/40 (2018.01); G01S 11/06 (2006.01); H04W 12/06 (2021.01); B60R 25/24 (2013.01); E05B 81/64 (2014.01);
U.S. Cl.
CPC ...
H04W 4/023 (2013.01); G01S 11/06 (2013.01); H04B 17/318 (2015.01); H04W 4/40 (2018.02); H04W 12/06 (2013.01); B60R 25/24 (2013.01); B60R 2325/205 (2013.01); E05B 81/64 (2013.01);
Abstract
An in-vehicle wireless communication device stores calibration information used in combination with a radio wave intensity of a mobile terminal in a state of identifying the mobile terminal, performs wireless communication with the mobile terminal in a state of identifying the mobile terminal, detects the radio wave intensity of a radio wave received from the mobile terminal during the wireless communication, and detects distance information to the mobile terminal based on the radio wave intensity of the radio wave received from the mobile terminal and the calibration information stored for the mobile terminal.