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1. 发明授权

US11833864B2 Tire pressure monitoring system 有权
公开(公告)号：US11833864B2
公开(公告)日：2023-12-05
申请号：US17224197
申请日：2021-04-07
申请人： DENSO CORPORATION
发明人： Ryosuke Kanbayashi , Takatoshi Sekizawa , Masashi Mori
IPC分类号： B60C23/04
CPC分类号： B60C23/0416 , B60C23/0462 , B60C23/0488
摘要： A transceiver of a spare wheel includes a sensing unit having a pressure sensor and an acceleration sensor configured to output a detection signal according to a tire pressure of the spare wheel and an acceleration generated in the spare wheel, a first control unit configured to create a frame that processes the detection signal indicating the tire pressure and stores it as data related to the tire pressure, and a first transmitter receiver configured to transmit the frame. A receiver includes a second transceiver configured to receive a frame and transmit a response signal indicating that the frame is received and a second control unit configured to detect the tire pressure and transmit a response signal from the second transceiver when the frame is received.

2. 发明授权

US11770895B2 Resin member and method for producing resin member 有权
公开(公告)号：US11770895B2
公开(公告)日：2023-09-26
申请号：US17546267
申请日：2021-12-09
申请人： DENSO CORPORATION
发明人： Akihumi Kurita , Masato Ichikawa , Tsuyoshi Arai , Takeshi Kusano , Masashi Mori
IPC分类号： H05K1/03 , B29C70/54 , C08K3/04 , C08K7/14 , H05K3/10 , B29K309/08 , B29L31/34
CPC分类号： H05K1/0373 , B29C70/54 , C08K3/04 , C08K7/14 , H05K3/10 , B29K2309/08 , B29L2031/3425 , C08K2201/001
摘要： A resin member is formed from a resin material containing filler and an insulating base polymer as a main component. The resin member includes an alignment layer close to a surface of the resin member. The alignment layer includes the filler aligned in the surface direction and the base polymer filling the space between pieces of the filler. The alignment layer includes a carbonized portion that is carbonized matter of the base polymer, contains graphite, and provides electrical conductivity and thermal conductivity.

3. 发明授权

US11578972B2 Tire-side device and tire apparatus including the same 有权
公开(公告)号：US11578972B2
公开(公告)日：2023-02-14
申请号：US16660781
申请日：2019-10-22
申请人： DENSO CORPORATION
发明人： Yoichiro Suzuki , Takatoshi Sekizawa , Masashi Mori
IPC分类号： G01P15/00 , G01B17/08 , G06K9/00 , B60C19/00
摘要： A tire-side device is attached to a tire included in a vehicle and applied to a tire apparatus for estimating a condition of a road surface on which the vehicle travels. The tire-side device includes: a vibration detector outputting a detection signal according to a level of vibration of the tire; a controller having a feature quantity extraction device extracting a feature quantity of the detection signal in one rotation of the tire; and a transmitter transmitting road surface data including the feature quantity extracted by the feature quantity extraction device.

4. 发明授权

US11376901B2 Road surface condition determination device performing sensing based on different sensing conditions 有权
公开(公告)号：US11376901B2
公开(公告)日：2022-07-05
申请号：US17005434
申请日：2020-08-28
申请人： DENSO CORPORATION
发明人： Yoichiro Suzuki , Masashi Mori , Takatoshi Sekizawa
IPC分类号： B60C23/06 , B60C23/04 , B60W40/06
摘要： A tire side device is provided with a vibration detection unit that outputs a detection signal corresponding to the magnitude of tire vibration, a control unit that performs to generate road surface data indicating a road surface condition that appears in the waveform of the detection signal, and a first data communication unit that transmits the road surface data. Furthermore, a vehicle body side system is provided with a second data communication unit that receives the road surface data transmitted from the first data communication unit, and a road surface determination unit that determines the condition of the road surface that the vehicle is traveling on the basis of the road surface data. In addition, sensing is performed by the control unit under different sensing conditions at the tire side device of at least one tire among a plurality of tires and the tire side device of at least one other tire among the plurality of tires, and road surface data generated on the basis of the different sensing conditions is transmitted from the first data communication unit.

5. 发明申请

US20220104349A1 RESIN MEMBER AND METHOD FOR PRODUCING RESIN MEMBER 有权
公开(公告)号：US20220104349A1
公开(公告)日：2022-03-31
申请号：US17546267
申请日：2021-12-09
申请人： DENSO CORPORATION
发明人： Akihumi Kurita , Masato Ichikawa , Tsuyoshi Arai , Takeshi Kusano , Masashi Mori
IPC分类号： H05K1/03 , B29C70/54 , C08K3/04 , C08K7/14 , H05K3/10
摘要： A resin member is formed from a resin material containing filler and an insulating base polymer as a main component. The resin member includes an alignment layer close to a surface of the resin member. The alignment layer includes the filler aligned in the surface direction and the base polymer filling the space between pieces of the filler. The alignment layer includes a carbonized portion that is carbonized matter of the base polymer, contains graphite, and provides electrical conductivity and thermal conductivity.

6. 发明授权

US10773718B2 Vehicle risk avoidance device 有权
公开(公告)号：US10773718B2
公开(公告)日：2020-09-15
申请号：US16077885
申请日：2017-01-12
申请人： DENSO CORPORATION
发明人： Masashi Mori , Hideyuki Ikemoto , Takatoshi Sekizawa
IPC分类号： B60W30/09 , B60W50/14 , B60W40/068 , B60T8/172 , G08G1/0967 , B60C23/06 , B60C23/20 , B60W10/184 , G08G1/01 , B60W30/02 , B60T7/12 , B60T8/1763 , B60T8/173 , B60W30/095 , G08G1/16
摘要： A tire mount sensor detects a road surface condition such as a type of a road surface and a road surface μ, and transmits road surface data indicating a detection result to a communication center. The communication center collects road surface data more precisely, and the vehicle receives the more precise road surface data from the communication center. Based on received more precise road surface data, the risk of the vehicle is determined. Thus, the road surface condition is detected using the tire mount sensor, so that the road surface condition is detected without braking. Accordingly, it is possible to detect the road surface condition with high frequency, so that the road surface condition is detected in wider area, and it is possible to perform the control more appropriately for avoiding the risk based on the road surface condition during a travel.

7. 发明授权

US10029681B2 Vehicle erroneous start control device 有权
公开(公告)号：US10029681B2
公开(公告)日：2018-07-24
申请号：US15126457
申请日：2015-03-12
申请人： DENSO CORPORATION
发明人： Youichirou Suzuki , Akira Takaoka , Takashi Saitou , Nobuya Watabe , Masashi Mori , Takatoshi Sekizawa
IPC分类号： B60W30/08 , B60C19/00 , B60W50/12 , B60K28/14 , B60R16/023 , B60W10/04 , B60W10/18
摘要： An erroneous start is controlled based on vibrations of a tire, irrespective of a poor visibility or an algorithm of an image processing. A tire-side unit detects a vibration of a tire when the tire has collided with a wheel stop or the like, and outputs collision data to a vehicle-side unit. The vehicle-side unit determines an erroneous start of the vehicle. Therefore, the erroneous start of the vehicle can be controlled without being affected by the poor visibility or the algorithm of the image processing as in a case of utilizing a camera or a radar.

8. 发明授权

US09950578B2 Tire air pressure detection device 有权
公开(公告)号：US09950578B2
公开(公告)日：2018-04-24
申请号：US15308015
申请日：2015-04-24
申请人： DENSO CORPORATION
发明人： Ryoichi Ijima , Takatoshi Sekizawa , Masashi Mori
IPC分类号： B60C23/00 , B60C23/04 , G01L17/00
CPC分类号： B60C23/0474 , B60C23/04 , B60C23/0433 , B60C23/0459 , B60C23/0488 , B60C23/0489 , G01L17/00
摘要： A tire air pressure detection device has transmitters each detecting a running state of a vehicle on the basis of a detection signal of an acceleration sensor and transmitting a frame when it is determined that the vehicle is running. Because acceleration varies independently of a tire rotation speed, a frame can be transmitted even before a vehicle speed reaches or exceeds, for example, 30 km/h. Consequently, data on a tire air pressure can be transmitted in a short time period from a running start of the vehicle and hence a decrease in tire air pressure can be detected in a short time period from the running start of the vehicle.

9. 发明授权

US09757998B2 Wheel position detector and tire inflation pressure detector having the same 有权
公开(公告)号：US09757998B2
公开(公告)日：2017-09-12
申请号：US14368384
申请日：2012-12-25
申请人： DENSO CORPORATION
发明人： Masashi Mori , Nobuya Watabe , Noriaki Okada , Takatoshi Sekizawa
IPC分类号： G01P3/44 , B60C23/04 , G01P15/00
CPC分类号： B60C23/0488 , B60C23/0416 , B60C23/0462 , B60C23/0489 , G01P3/44 , G01P15/003
摘要： In a wheel position detector for a vehicle, a transmitter on each wheel repeatedly transmits a data frame containing identification information when an angle of the transmitter reaches a transmission angle. A receiver for receiving the frame is mounted on a body of a vehicle and performs wheel position detection based on the frame to specify a target wheel from which the frame is transmitted. The receiver acquires a tooth position of a gear rotating with a corresponding wheel when receiving the frame and sets a variation allowable range based on the tooth position. The receiver specifies the target wheel by determining whether the tooth position falls within the variation allowable range. The transmitter changes the transmission angle at a predetermined time interval.

10. 发明授权

US09592710B2 Wheel position detecting device and tire pressure detecting apparatus having the same 有权
标题翻译：车轮位置检测装置和轮胎压力检测装置
公开(公告)号：US09592710B2
公开(公告)日：2017-03-14
申请号：US14373472
申请日：2013-01-23
申请人： DENSO CORPORATION
发明人： Noriaki Okada , Nobuya Watabe , Masashi Mori , Takatoshi Sekizawa
IPC分类号： B60C23/04 , G01L17/00 , G01P3/44 , G01P15/00
CPC分类号： B60C23/0489 , B60C23/0416 , G01L17/00 , G01P3/44 , G01P15/003
摘要： In a wheel position detecting device, a receiver acquires gear information indicating a tooth position of a gear rotating in association with a corresponding wheel at a predetermined interval. In a wheel position detection, the receiver sets a variation allowance range based on the tooth position at a reception timing of a frame transmitted from a transmitter integrated to each wheel. When the tooth position of the gear at a subsequent reception timing of the frame is not within the variation allowance range, the receiver excludes the wheel corresponding to the gear from a candidate wheel. The receiver registers the wheel remaining last as the wheel to which the transmitter is integrated. The receiver performs the wheel position detection only when a wheel speed is higher than a predetermined threshold, so that the wheel position detection is performed based on an accurate tooth position.
摘要翻译：在车轮位置检测装置中，接收器以预定间隔获取指示与相应车轮相关联的齿轮的齿位置的齿轮信息。在车轮位置检测中，接收机基于在从集成到每个车轮的发射机发送的帧的接收定时处基于齿位置设置变化允差范围。当在帧的后续接收定时处的齿轮的齿位置不在变化容许范围内时，接收器从候选轮排除与齿轮对应的车轮。接收机将最后剩余的车轮记录为发射器整合到的车轮上。接收机仅在车轮速度高于预定阈值时执行车轮位置检测，从而基于准确的齿位置执行车轮位置检测。

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