公开(公告)号：US06340929B1

公开(公告)日：2002-01-22

申请号：US09439681

申请日：1999-11-15

申请人： Michiya Katou ,  Kazunori Sawafuji ,  Akira Momose

发明人： Michiya Katou ,  Kazunori Sawafuji ,  Akira Momose

IPC分类号： B60C2300

CPC分类号： B60C23/0433

摘要： A transmitter of a tire inflation monitor performs wireless transmission of data concerning tire inflation pressure from an antenna coil to a receiver. The transmitter includes a signal generation circuit, which is connected to the antenna coil. The signal generation circuit generates a trigger signal for activating or inactivating a controller of the transmitter based on a particular control signal received from a predetermined external controller through the antenna coil. When the controller is activated by the trigger signal, the transmitter starts wireless transmission of the data. When the controller is deactivated by the trigger signal, the transmitter is in a sleep state. In this way, data transmission from the transmitter is easily and externally started or stopped.

摘要翻译： 轮胎充气监视器的发射器执行从天线线圈到接收器的关于轮胎充气压力的数据的无线传输。 发射机包括连接到天线线圈的信号产生电路。 信号发生电路基于通过天线线圈从预定的外部控制器接收到的特定控制信号，产生用于激活或者使发射机控制器失活的触发信号。 当控制器被触发信号激活时，发射器开始数据的无线传输。 当控制器被触发信号禁用时，变送器处于睡眠状态。 以这种方式，来自发射机的数据传输容易和外部地启动或停止。

公开(公告)号：US06304172B1

公开(公告)日：2001-10-16

申请号：US09442706

申请日：1999-11-18

申请人： Michiya Katou ,  Kazunori Sawafuji ,  Akira Momose

发明人： Michiya Katou ,  Kazunori Sawafuji ,  Akira Momose

IPC分类号： B60C2300

CPC分类号： B60C23/0444 ,  B60C23/0433

摘要： A tire inflation pressure monitor includes wheel transmitters and a receiver. The wheel transmitters transmit tire inflation pressure data by radio waves, and the receiver receives the data from the transmitters. The receiver includes reception antennas for receiving radio waves from the transmitters and a receiver unit for processing the received data. The reception antennas include external reception antennas, which are separated from the receiver unit, and at least one internal reception antenna, which is located in the receiver unit. The number of the external reception antennas is less than that of the transmitters by one. As a result, the receiver is simplified without reducing its performance. Also, a loop antenna, which is used as a reception antenna to induce voltage by the magnetic field component of radio waves, improves the efficiency of the receiver.

摘要翻译： 轮胎充气压力监测器包括车轮发射器和接收器。 车轮传感器通过无线电波发送轮胎充气压力数据，接收机从发射机接收数据。 接收机包括用于从发射机接收无线电波的接收天线和用于处理接收到的数据的接收机单元。 接收天线包括与接收机单元分离的外部接收天线和位于接收机单元中的至少一个内部接收天线。 外部接收天线的数量少于发射机的数量。 结果，接收机被简化而不降低其性能。 此外，作为接收天线用于通过无线电波的磁场分量感应电压的环形天线提高了接收机的效率。

公开(公告)号：US06450021B1

公开(公告)日：2002-09-17

申请号：US09432193

申请日：1999-11-02

申请人： Michiya Katou ,  Akira Momose

发明人： Michiya Katou ,  Akira Momose

IPC分类号： G01M1500

CPC分类号： B60C23/0408 ,  B60C23/0455 ,  B60C23/0462 ,  B60C23/0474

摘要： A tire air monitoring apparatus includes transmitters for wirelessly transmitting data regarding the inner pressure of tires and a receiver for receiving the data transmitted by the transmitters. Each transmitter is powered by a battery. Each transmitter includes a pressure sensor, which measures the inner pressure of the tire at predetermined measuring intervals. Each transmitter periodically and wirelessly transmits data every time the pressure sensor has taken a measurement a predetermined number of times. When the tire pressure changes by an amount that is equal to or greater than a predetermined upper limit value during a predetermined judging time, the transmitter performs an early data transmission. Therefore, an abnormality in the tire pressure is immediately communicated to a driver, and battery strength is conserved.

摘要翻译： 轮胎空气监测装置包括用于无线地传送关于轮胎的内部压力的数据的发射器和用于接收由发射机发送的数据的接收器。 每个变送器由电池供电。 每个发射器包括压力传感器，其以预定的测量间隔测量轮胎的内部压力。 每个发射机每当压力传感器已经进行了预定次数的测量时，周期性地和无线地传输数据。 当轮胎压力在预定判断时间期间改变等于或大于预定上限值的量时，发射机执行早期的数据传输。 因此，立即将轮胎压力的异常传递给驾驶员，并且节省电池强度。

公开(公告)号：US08096174B2

公开(公告)日：2012-01-17

申请号：US12473027

申请日：2009-05-27

申请人： Michiya Katou

发明人： Michiya Katou

IPC分类号： G01F1/37

CPC分类号： B60C23/04 ,  G01G19/086 ,  G01G23/3728

摘要： A vehicle includes an ABS, which controls braking force on wheels, and a tire condition monitoring apparatus, which detects the internal air pressure of tires. The dynamic rolling radius of the tires is computed based on signals from rotation sensor units of the ABS. The weight of a load carried by the vehicle is computed based on the dynamic rolling radius of the tires and the internal air pressure of the tires detected by the tire condition monitoring apparatus. When computing the load weight, a load weight determination map, which previously sets the relationship among the internal air pressure of the tires, the dynamic rolling radius of the tires, and the weight of the load carried by the vehicle, is used.

摘要翻译： 车辆包括控制车轮上的制动力的ABS和检测轮胎的内部空气压力的轮胎状况监测装置。 基于ABS的旋转传感器单元的信号计算轮胎的动态滚动半径。 基于轮胎的动态滚动半径和由轮胎状态监视装置检测到的轮胎的内部空气压力来计算车辆承载的负载的重量。 当计算负载重量时，使用先前设定轮胎的内部空气压力，轮胎的动态滚动半径与车辆的载荷的重量之间的关系的负载重​​量确定图。

公开(公告)号：US20080303672A1

公开(公告)日：2008-12-11

申请号：US12133696

申请日：2008-06-05

申请人： Makoto Shigihara ,  Takashi Sano ,  Michiya Katou

发明人： Makoto Shigihara ,  Takashi Sano ,  Michiya Katou

IPC分类号： B60C23/04

CPC分类号： B60C23/0408 ,  B60C23/0452 ,  B60C23/0494

摘要： A valve-integrated transponder includes an air valve and a casing that are integrated with each other, and is disposed within a tire. The air valve is press-fitted to a valve hole in a wheel rim. The casing houses a substrate having a detecting element mounted thereon, an inverse F antenna element, a supporting member, and the like, and is provided with a partition-like reinforcement rib. The reinforcement rib extends along an extension of an axis of the air valve and is loosely fitted in a recessed slot of the supporting member. The antenna element supported by the supporting member has a substantially line symmetrical shape where a pair of radiation conductors symmetrically extend away from each other.

摘要翻译： 阀集成式应答器包括彼此一体化的空气阀和壳体，并且设置在轮胎内。 空气阀压配合到轮辋中的阀孔。 壳体容纳具有安装在其上的检测元件的基板，倒F形天线元件，支撑构件等，并且设置有分隔状加强肋。 加强肋沿着空气阀的轴线的延伸部延伸并且松散地装配在支撑构件的凹槽中。 由支撑构件支撑的天线元件具有大致线对称的形状，其中一对辐射导体彼此对称地延伸。

公开(公告)号：US07320247B2

公开(公告)日：2008-01-22

申请号：US11545576

申请日：2006-10-11

申请人： Michiya Katou

发明人： Michiya Katou

IPC分类号： G01M17/02

CPC分类号： B60C23/0433 ,  B60C23/0408 ,  B60C23/0413 ,  B60C23/0442

摘要： A tire pressure detection side receiving circuit includes an antenna resonance circuit having an antenna, a capacitor and a coil, a capacitance changing circuit for changing a capacitance of the capacitor, an oscillation circuit capable of imparting a test wave to the antenna resonance circuit, a resonance level detector capable of detecting a resonance level of the antenna resonance circuit, a memory storing preset reference frequency, a resonance frequency detector changing a frequency of the test wave to be imparted to the antenna resonance circuit while the capacitor of the antenna resonance circuit is maintained at a constant capacitance, thereby detecting, as a measured resonance frequency, a frequency in a case where an amplitude level of the test wave has reached a peak, and a tuning control controlling the capacitance changing circuit and changing the capacitor capacitance so that the measured resonance frequency is approximated to a reference frequency.

摘要翻译： 轮胎压力检测侧接收电路包括具有天线，电容器和线圈的天线谐振电路，用于改变电容器的电容的电容改变电路，能够向天线谐振电路施加测试波的振荡电路， 谐振电平检测器，其能够检测天线谐振电路的谐振电平;存储器存储预设参考频率;谐振频率检测器，其改变要施加到天线谐振电路的测试波的频率，同时天线谐振电路的电容器为 保持恒定的电容，从而在测试波的振幅电平达到峰值的情况下检测作为测量的谐振频率的频率，以及控制电容变化电路并改变电容器电容的调谐控制，使得 测量的共振频率近似于参考频率。

公开(公告)号：US07212106B2

公开(公告)日：2007-05-01

申请号：US10971886

申请日：2004-10-22

申请人： Michiya Katou

发明人： Michiya Katou

IPC分类号： B60C23/00

CPC分类号： B60C23/007 ,  B60C23/0408

摘要： A tire condition monitoring apparatus includes a transmitter located in a tire of a vehicle. A trigger device includes a transmission antenna, a reception antenna, and an antenna unit. The transmission antenna wirelessly transmits a trigger signal. The transmitter wirelessly transmits data indicating the tire condition in response to the trigger signal. The reception antenna receives the data wirelessly transmitted from the transmitter. The antenna unit incorporates the transmission antenna and the reception antenna. Therefore, the trigger device reliably receives data wirelessly transmitted from the transmitter.

摘要翻译： 轮胎状态监视装置包括位于车辆轮胎中的发射器。 触发装置包括发射天线，接收天线和天线单元。 发送天线以无线方式发送触发信号。 发射机响应于触发信号，无线地发送指示轮胎状况的数据。 接收天线接收从发射机无线发送的数据。 天线单元包含发射天线和接收天线。 因此，触发装置可靠地接收从发送器无线发送的数据。

公开(公告)号：US07019630B2

公开(公告)日：2006-03-28

申请号：US10800807

申请日：2004-03-15

申请人： Michiya Katou

发明人： Michiya Katou

IPC分类号： B60C23/00

CPC分类号： B60C23/0416 ,  B60C23/0472 ,  B60C23/0494

摘要： A transmitter in an apparatus for monitoring a condition of a tire includes a pressure sensor, a transmission circuit, a valve stem, an MR sensor, and a magnetic ring. The valve stem has magnetic pieces. The pressure sensor measures the air pressure in the interior of the tire. The transmission circuit generates a transmission signal containing data that represents the measured air pressure. The magnetic ring magnetizes the magnetic pieces. The position of the magnetic ring relative to the magnetic pieces can be changed. A magnetized state of the magnetic pieces varies according to the position of the magnetic ring relative to the magnetic pieces. The MR sensor detects the magnetized state of the magnetic piece. The transmission signal contains data based on the detected magnetized state in addition to the tire condition data. This is capable of identifying the tire mount position.

摘要翻译： 用于监测轮胎状况的装置中的变送器包括压力传感器，传动回路，阀杆，MR传感器和磁环。 阀杆具有磁性件。 压力传感器测量轮胎内部的空气压力。 传输电路产生包含表示测量的空气压力的数据的传输信号。 磁环磁化磁片。 可以改变磁环相对于磁片的位置。 磁片的磁化状态根据磁环相对于磁片的位置而变化。 MR传感器检测磁片的磁化状态。 除了轮胎状态数据之外，发送信号包含基于检测到的磁化状态的数据。 这能够识别轮胎安装位置。

公开(公告)号：US20050088294A1

公开(公告)日：2005-04-28

申请号：US10802252

申请日：2004-03-17

申请人： Takashi Ibuka ,  Michiya Katou

发明人： Takashi Ibuka ,  Michiya Katou

IPC分类号： B60C23/02 ,  B60C23/04 ,  B60C23/00

CPC分类号： B60C23/0408 ,  B60C23/0433

摘要： A transmitter is located in a tire of a vehicle and transmits data indicating a tire condition using a carrier wave. The transmitter has an oscillator circuit and a transmission controller. The oscillator circuit generates the carrier wave. The transmission controller compensates a deviation of the amplitude of the carrier wave generated by the oscillator circuit relative to a predetermined reference value such that the amplitude of the carrier becomes equal to the reference value. This is capable of maintaining a constant amplitude of a carrier wave.

摘要翻译： 变送器位于车辆的轮胎中，并且使用载波发送表示轮胎状况的数据。 发射机具有振荡电路和变速器控制器。 振荡电路产生载波。 传输控制器补偿由振荡器电路产生的载波相对于预定参考值的振幅的偏差，使得载波的振幅变得等于参考值。 这能够保持载波的恒定幅度。

公开(公告)号：US06861950B2

公开(公告)日：2005-03-01

申请号：US10184004

申请日：2002-06-26

申请人： Michiya Katou

发明人： Michiya Katou

IPC分类号： B60C23/02 ,  B60C23/04 ,  B60C23/20 ,  B60C23/00

CPC分类号： B60C23/0408 ,  B60C23/0462

摘要： Different types of data included in a signal transmitted by a transmitter, except for synchronous data, are each configured by a binary code signal of a predetermined bit count. The synchronous data is configured by a signal of a pattern different from the bit codes that configure the data other than the synchronous data. This enables a receiver to recognize the synchronous data in the transmitted signal easily and reliably. Further, the data length of the synchronous data is shortened. This shortens the data length of the signal, thus ensuring optimal wireless communication between the transmitter and the receiver.

摘要翻译： 由除了同步数据之外的由发送器发送的信号中包括的不同类型的数据都由预定位计数的二进制码信号配置。 同步数据由不同于配置非同步数据以外的数据的位代码的模式的信号配置。 这使得接收机能够容易且可靠地识别发送信号中的同步数据。 此外，同步数据的数据长度缩短。 这缩短了信号的数据长度，从而确保了发射机和接收机之间的最佳无线通信。