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:
Jan. 21, 2020

Filed:

Aug. 21, 2018
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventor:

Yasuhiro Sagesaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01); H04W 72/04 (2009.01); H04W 76/20 (2018.01); H04W 4/02 (2018.01); H04W 4/44 (2018.01); H04W 4/80 (2018.01);
U.S. Cl.
CPC ...
H04W 4/027 (2013.01); H04W 4/44 (2018.02); H04W 4/80 (2018.02); H04W 52/0251 (2013.01); H04W 52/0274 (2013.01);
Abstract

An on-vehicle communication device has a communication unit which communicates with a roadside device, a roadside device position information storage unit which stores in advance first position information indicating a position of the roadside device, a vehicle position information acquisition unit which acquires second position information indicating a position of the vehicle, an approach decision unit which decides whether the vehicle approaches the roadside device on the basis of the first position information stored in the roadside device position information storage unit and the second position information that the vehicle position information acquisition unit acquires and a communication control unit which switches a state of the communication unit from a power-saving state to a non-power-saving state in a case where the approach decision unit decides that the vehicle approaches the roadside device.


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