公开(公告)号：US09246531B2

公开(公告)日：2016-01-26

申请号：US14436983

申请日：2013-09-26

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki ,  Tadao Suzuki

IPC: H04B1/40 ,  H04B1/3822 ,  H04W4/04 ,  H04W52/02 ,  H03B1/04

CPC classification number: H04B1/3822 ,  H03B1/04 ,  H04B1/1027 ,  H04W4/046 ,  H04W52/0251 ,  H04W52/0261 ,  H04W52/0283 ,  H04W52/52 ,  Y02D70/142 ,  Y02D70/40

Abstract: A wireless communication device including a communication controller, a transmitter, an antenna and a receiver is provided. The wireless communication device further includes a current detector detecting a current consumption value of a power supply generator, a non-volatile memory pre-storing multiple current thresholds corresponding to multiple operating states, and an abnormal oscillation detector detecting abnormal oscillation by comparing the current consumption value acquired from the current detector and a current threshold corresponding to a present operating state of the wireless communication device out of the current threshold stored in the non-volatile memory.

Abstract translation: 提供了包括通信控制器，发射机，天线和接收机的无线通信设备。 该无线通信装置还包括电流检测器，其检测电源发生器的电流消耗值，预存储与多种运行状态对应的多个电流阈值的非易失性存储器，以及通过比较电流消耗来检测异常振荡的异常振荡检测器 从当前检测器获取的值和与存储在非易失性存储器中的当前阈值相对应的无线通信设备的当前操作状态的当前阈值。

公开(公告)号：US11627446B2

公开(公告)日：2023-04-11

申请号：US17120999

申请日：2020-12-14

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki

IPC: H04W4/46 ,  H04W4/70 ,  H04W84/04 ,  H04W88/00

Abstract: An inter-vehicle communication system includes: multiple vehicle communication devices for multiple vehicles; and a wireless base station. Each of the multiple vehicle communication devices includes a wide area communication portion that communicates with a different device, a wide area communication control portion that executes a wide area periodic transmission process of multicasting a vehicle information packet towards a different vehicle, a narrow area communication portion, and a narrow area communication control portion that executes a narrow area periodic transmission process of multicasting the vehicle information packet towards the different vehicle. The wide area communication control portion transmits a vehicle status report to the wireless base station. The wide area communication control portion pauses the wide area periodic transmission process. The wireless base station includes an in-cell vehicle management portion that manages position information of a vehicle existing in a charge cell, an encounter determination portion that determines whether a transmission source vehicle has a possibility of encountering the different vehicle, and a device control portion that instructs a transmission source device to pause the wide area periodic transmission process.

公开(公告)号：US10812953B2

公开(公告)日：2020-10-20

申请号：US16085003

申请日：2017-02-22

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki ,  Haruhiko Sogabe

IPC: H04W4/46 ,  G08G1/09 ,  G08G1/16 ,  H04W28/02 ,  H04L12/825 ,  H04L12/801 ,  H04W72/12

Abstract: A vehicular communication control device includes: a communication packet generator generating a vehicle information packet indicating a vehicle traveling state; a transmission processor transmitting the vehicle information packet to a peripheral vehicle in a predetermined transmission cycle; a road information acquisition unit acquiring forward road information including a road connection point position at which a host vehicle traveling road is connected to another road; and a positional relationship determination unit determining, based on the forward road information, whether a remaining distance to the road connection point is equal to or smaller than a predetermined cycle change distance. The transmission processor: sets a predetermined first cycle as the transmission cycle when the remaining distance is larger than the predetermined cycle change distance; and sets a second cycle shorter than the first cycle as the transmission cycle when the remaining distance is equal to or smaller than the cycle change distance.

公开(公告)号：US10375545B2

公开(公告)日：2019-08-06

申请号：US16085079

申请日：2017-02-22

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki ,  Haruhiko Sogabe

IPC: H04B7/00 ,  H04W4/46 ,  H04B17/309

Abstract: A vehicular communication control device includes: a dedicated short range communication processor executing a direct vehicle-to-vehicle communication; a wide area communication processor executing an indirect vehicle-to-vehicle communication; a vehicle data generator, and a peripheral vehicle determination unit determining whether another vehicle is disposed within a predetermined area. The dedicated short range communication processor wirelessly transmits a communication packet including vehicle data in a dedicated short range transmission cycle. The wide area communication processor transmits the communication packet including the vehicle data to a peripheral vehicle in a wide range transmission cycle. The wide area communication processor: selects a first wide area transmission cycle longer than the dedicated short range transmission cycle when no other vehicle is disposed within the area; and selects a second wide area transmission cycle equal to or shorter than the dedicated short range transmission cycle when the other vehicle is disposed within the area.

公开(公告)号：US09685695B2

公开(公告)日：2017-06-20

申请号：US14507081

申请日：2014-10-06

Applicant: DENSO CORPORATION

Inventor： Yuji Sugimoto ,  Tadao Suzuki ,  Yasumune Yukizaki

IPC: H01Q1/32 ,  H01Q7/00 ,  H01Q21/24

CPC classification number: H01Q1/3275 ,  H01Q7/00 ,  H01Q21/24

Abstract: An antenna system includes a case, an antenna configured for a first communication system, an inside orthogonal antenna configured for a polarization diversity communication system, and an outside orthogonal antenna configured for the polarization diversity communication system. The antenna for the first communication system and the inside orthogonal antenna are disposed inside the case such that a main radiation polarization plane of the inside orthogonal antenna is orthogonal to a main radiation polarization plane of the antenna for the first communication system. The outside orthogonal antenna is disposed outside the case such that a main radiation polarization plane of the outside orthogonal antenna is orthogonal to the main radiation polarization plane of the inside orthogonal antenna.

公开(公告)号：US09438280B2

公开(公告)日：2016-09-06

申请号：US14898713

申请日：2014-05-22

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki ,  Tadao Suzuki ,  Yuji Sugimoto

IPC: H04B7/00 ,  H04B1/04 ,  H03F3/195 ,  H03F3/24 ,  H04B1/3877 ,  H03F1/02 ,  H03F3/19 ,  H04L29/08

CPC classification number: H04B1/0458 ,  H03F1/0205 ,  H03F1/0211 ,  H03F3/19 ,  H03F3/195 ,  H03F3/24 ,  H03F3/245 ,  H03F2200/451 ,  H04B1/3877 ,  H04B2001/0416 ,  H04L67/12

Abstract: An in-vehicle communication apparatus includes an antenna module, and a wireless communication device physically separated from the antenna module and connected to the antenna module through a coaxial cable. The antenna module includes an antenna, and a transmission amplifier of the antenna. The wireless communication device includes a power generation portion that supplies a power driving the antenna module, a signal generation portion that generates a transmission signal, a power superimposition portion that superimposes the transmission signal on the power supplied from the power generation portion, and transmits a superimposed power to the transmission amplifier, a current detection portion that detects a consumption current value from the power, a correspondence relationship hold portion that holds a correspondence relationship between the consumption current value and an output power value, and a regulation portion that adjusts the transmission signal to maintain the output power value at a predetermined power value.

Abstract translation: 车载通信装置包括天线模块和与天线模块物理分离并通过同轴电缆连接到天线模块的无线通信设备。 天线模块包括天线和天线的发射放大器。 无线通信装置包括供电驱动天线模块的电力产生部，生成发送信号的信号生成部，将发送信号叠加在从发电部提供的电力上的电力叠加部， 和发送放大器的叠加电力，检测来自电力的消耗电流值的电流检测部分，保持消耗电流值与输出功率值之间的对应关系的对应关系保持部分以及调整传输的限制部分 信号以将输出功率值保持在预定功率值。

公开(公告)号：US20150229021A1

公开(公告)日：2015-08-13

申请号：US14425277

申请日：2013-06-20

Applicant: DENSO CORPORATION

Inventor： Yasumune Yukizaki ,  Tadao Suzuki ,  Ryohei Kataoka ,  Yuji Sugimoto

IPC: H01Q1/32 ,  H01Q1/24 ,  H01Q1/42 ,  H05K1/18 ,  H05K5/00

CPC classification number: H01Q1/3275 ,  H01Q1/02 ,  H01Q1/241 ,  H01Q1/42 ,  H01Q9/42 ,  H05K1/181 ,  H05K5/003 ,  H05K2201/10098 ,  H05K2201/10507

Abstract: A vehicle-mounted antenna device includes a base, a board, a circuit section, and a housing. The base is mountable on a roof of a vehicle. The board has an antenna element section and is stood on a surface of the base. The circuit section serves as at least part of a wireless communication circuit electrically connected to the antenna element section. The housing is made of a resin material and forms a projection of a vehicle outer shape. The board and the circuit section are located in space formed by the base and the housing. The board is stood on the surface of the base so that a first direction perpendicular to the surface of the base differs from a second direction equal to a thickness direction of the board. The circuit section implemented on the board at a position away from the base in the first direction.

Abstract translation: 车载天线装置包括基座，板，电路部分和壳体。 基座可安装在车辆的屋顶上。 该电路板具有天线元件部分，并且站在基座的表面上。 电路部分用作电连接到天线元件部分的无线通信电路的至少一部分。 壳体由树脂材料制成并形成车辆外形的突起。 板和电路部分位于由基座和壳体形成的空间中。 板位于基座的表面上，使得垂直于基座表面的第一方向与等于板的厚度方向的第二方向不同。 电路部分在基板上在第一方向上远离基座的位置处实现。