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:
Jun. 03, 2025
Filed:
Oct. 22, 2021
Denso Corporation, Kariya, JP;
Kenichirou Sanji, Nisshin, JP;
Nobuyasu Okabe, Kariya, JP;
Masakazu Ikeda, Nisshin, JP;
Yuuji Kakuya, Nisshin, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A positioning system executes wireless communication with a portable terminal by adopting a radio wave of 1 GHz or higher to determine a position of the portable terminal relative to a vehicle. The positioning system includes a vehicle exterior communication device and a positioning device. The vehicle exterior communication device is disposed at an outer surface portion at least one of a side surface portion or a rear side surface portion of the vehicle, and includes an antenna receiving a wireless signal transmitted from the portable terminal. The positioning device determines whether or not the portable terminal exists at an exterior operating area being a region outside a vehicle compartment within a predetermined operating distance from the vehicle, based on a reception status of the wireless signal received by the vehicle exterior communication device from the portable terminal. The antenna radiates a main polarized wave and a cross-polarized wave.