公开(公告)号：US12080961B2

公开(公告)日：2024-09-03

申请号：US17982254

申请日：2022-11-07

Applicant: DENSO CORPORATION

Inventor： Youhei Sekiya ,  Yuzi Sugimoto ,  Masakazu Ikeda ,  Yuuji Kakuya ,  Ryuichi Arai ,  Shirou Koide ,  Takuya Yamashita ,  Hiroyuki Izumi

IPC: H01Q9/04 ,  H01Q21/06 ,  H01Q21/28

CPC classification number: H01Q9/0442 ,  H01Q9/045 ,  H01Q21/065

Abstract: An antenna device includes: a first antenna having a directional gain at a low elevation angle higher than the directional gain at a high elevation angle; a second antenna having the directional gain at the high elevation angle higher than the first antenna, transmitting and receiving a radio wave having a vibration direction of an electric field intersecting with a radio wave transmitted and received by the first antenna; and a third antenna having the directional gain at the high elevation angle higher than the first antenna, and transmitting and receiving a radio wave having a vibration direction of an electric field intersecting with the radio wave transmitted and received by the second antenna.

公开(公告)号：US12013476B2

公开(公告)日：2024-06-18

申请号：US17508168

申请日：2021-10-22

Applicant: DENSO CORPORATION

Inventor： Kenichirou Sanji ,  Nobuyasu Okabe ,  Masakazu Ikeda ,  Yuuji Kakuya

IPC: G01S5/02 ,  B60R25/01 ,  B60R25/24 ,  G01S5/00 ,  H01Q1/32 ,  H01Q9/04

CPC classification number: G01S5/0284 ,  G01S5/012 ,  H01Q1/3241 ,  H01Q9/0421 ,  B60R25/01 ,  B60R25/245

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 positioning device determines whether 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 in a first mode of the vehicle exterior communication device, and determines whether the portable terminal exists inside the vehicle compartment, based on the reception status of the wireless signal received by the vehicle exterior communication device from the portable terminal in a second mode of the vehicle exterior communication device.

公开(公告)号：US10461403B2

公开(公告)日：2019-10-29

申请号：US15510603

申请日：2015-09-23

Applicant: DENSO CORPORATION

Inventor： Masakazu Ikeda ,  Hiroaki Kuraoka

IPC: H01Q1/24 ,  H01Q1/52 ,  H01Q13/08 ,  H01Q23/00 ,  H01Q9/04

Abstract: An antenna device includes a first conductive plate in a board shape, a second conductive plate in a board shape, a short-circuiting section, and a connecting section. The second conductive plate is disposed to face the first conductive plate with a space therebetween. The short-circuiting section is disposed between the first conductive plate and the second conductive plate, has a housing space housing an electronic component, and is connected to both the first conductive plate and the second conductive plate. The connecting section extends from the electronic component disposed inside the short-circuiting section toward the outside of the short-circuiting section without being electrically connected to the short-circuiting section and the first conductive plate, and extends between the first conductive plate and the second conductive plate from the outside of the short-circuiting section without being electrically connected to the first conductive plate, to be electrically connected to the second conductive plate.

公开(公告)号：US10106115B2

公开(公告)日：2018-10-23

申请号：US15749790

申请日：2016-07-14

Applicant: DENSO CORPORATION

Inventor： Yuji Sugimoto ,  Masakazu Ikeda ,  Kimiaki Tanaka

IPC: B60Q1/26 ,  B60R21/013 ,  G01C21/28 ,  G01S19/07 ,  G08G1/16 ,  G01S19/51 ,  G08G1/09 ,  G01S19/40

Abstract: A position detection apparatus is mounted in a vehicle, and communicates wirelessly with a mobile terminal of a target person to be notified, and thereby detects a relative position of the mobile terminal. The position detection apparatus is provided with: a satellite signal receiver receiving a positioning signal; a correction signal receiver receiving a correction signal; a terminal position communicator receiving by wireless communication from the mobile terminal the acquired positioning signal of the mobile terminal; and a corrected-position calculation portion correcting the received positioning signals of both the mobile terminal and the satellite signal receiver using the correction signal, and calculating the positional relationship of the mobile terminal in relation to the vehicle on the basis of the vehicle position information and the terminal position information based on the corrected positioning signals.