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    • 3. 发明授权
    • Apparatus and method for controlling damping force characteristic of
vehicular shock absorber
    • 用于控制车辆减震器阻尼力特性的装置和方法
    • US5950776A
    • 1999-09-14
    • US126415
    • 1998-07-30
    • Katsuya IwasakiMitsuo Sasaki
    • Katsuya IwasakiMitsuo Sasaki
    • B60G17/0165B60G17/018F16F9/46
    • F16F9/468B60G17/0165B60G17/018B60G2400/102B60G2400/202B60G2400/204B60G2400/206B60G2400/821B60G2500/10B60G2600/02B60G2600/60B60G2600/602B60G2600/604B60G2800/916Y10T137/87386
    • An apparatus and method for controlling damping force characteristics of respective vehicular shock absorbers in which vehicular vertical behavior(s) at the position(s) of the vehicular body which are forward by a predetermined distance from a tread of rear left and right road wheels are determined, the positions including front left and right road wheel sides, and corresponding vertical behavior signals are derived. Control signals for front left and right and rear left and right road wheel side shock absorbers are formed on the basis of respective processed signals having frequency-dependent characteristics formed from the vehicular behavior signal(s). The damping force characteristics of front left and right road wheel side shock absorbers are controlled on the basis of the control signals formed on the basis of the processed signal based on the front left and right road wheel vehicular behavior signals. Those of rear left and right road wheel side shock absorbers are controlled on the basis of the control signals formed on the basis of the processed signals based on the front position vehicular vertical behavior signal at the position forward from the tread between the rear left and right road wheels. The phases of the control signals V are generally matched with vehicular behavior velocity signals which would actually be generated at rear road wheel arranged positions of the vehicle.
    • 一种用于控制相应车辆减震器的阻尼力特性的装置和方法,其中车身的位置处的车辆垂直行为从后左右车轮的胎面向前预定距离是 确定了包括左前轮和右车轮侧的位置以及相应的垂直行为信号。 基于具有由车辆行为信号形成的频率相关特性的各个处理信号,形成前左右后车轮侧减震器的控制信号。 基于基于前左右车轮行驶信号的处理信号形成的控制信号来控制前左右侧车轮侧减震器的阻尼力特性。 根据基于前后位置车辆垂直行为信号在前后左右的胎面的位置形成的控制信号,控制后左右车轮侧减震器的控制信号 车轮。 控制信号V的相位通常与实际在车辆的后车轮布置位置处产生的车辆行为速度信号相匹配。
    • 7. 发明授权
    • Steering system
    • 转向系统
    • US08066091B2
    • 2011-11-29
    • US11870956
    • 2007-10-11
    • Takahiro ItoAtsushi YokoyamaMitsuo Sasaki
    • Takahiro ItoAtsushi YokoyamaMitsuo Sasaki
    • B62D5/06
    • B62D3/14B62D5/003B62D5/065B62D5/30
    • A steering system, comprising: an input cylinder having a first hydraulic chamber and a second hydraulic chamber; a transmission mechanism, wherein a transmission efficiency for converting and transmitting a linear motion of the input cylinder to a rotary motion of a steering wheel is less than a transmission efficiency for converting and transmitting the rotary motion of the steering wheel to the linear motion of the input cylinder; an output cylinder connected to a steerable vehicle wheel and having a third hydraulic chamber and a fourth hydraulic chamber; a first hydraulic passage for connecting the first hydraulic chamber to the third hydraulic chamber; a second hydraulic passage for connecting the second hydraulic chamber to the fourth hydraulic chamber; a flow rate control mechanism for exchanging hydraulic oil with: a first hydraulic circuit including the first and third hydraulic chambers and the first hydraulic passage; and a second hydraulic circuit including the second and fourth hydraulic chambers and the second hydraulic passage, in order to adjust a ratio of hydraulic oil quantities in the first and second hydraulic circuits; a steering actuator for providing the steerable vehicle wheel with a steering power assistance; and a controller for cooperatively controlling the flow rate control mechanism and the steering actuator.
    • 一种转向系统,包括:具有第一液压室和第二液压室的输入缸; 传动机构,其中用于将输入滚筒的直线运动转换和传递到方向盘的旋转运动的传动效率小于用于将方向盘的旋转运动转换和传递到方向盘的直线运动的传动效率 输入圆筒 连接到可转向车轮并具有第三液压室和第四液压室的输出缸; 用于将第一液压室连接到第三液压室的第一液压通道; 第二液压通道,用于将第二液压室连接到第四液压室; 用于与液压油交换的流量控制机构,包括:第一液压回路,包括第一和第三液压室和第一液压通道; 以及包括第二和第四液压室和第二液压通道的第二液压回路,以便调节第一和第二液压回路中的液压油量的比率; 用于向可转向车轮提供转向动力辅助的转向致动器; 以及用于协调地控制流量控制机构和转向致动器的控制器。
    • 8. 发明申请
    • Steering System
    • 转向系统
    • US20090038876A1
    • 2009-02-12
    • US11870956
    • 2007-10-11
    • Takahiro ITOAtsushi YokoyamaMitsuo Sasaki
    • Takahiro ITOAtsushi YokoyamaMitsuo Sasaki
    • B62D5/06
    • B62D3/14B62D5/003B62D5/065B62D5/30
    • A steering system, comprising: an input cylinder having a first hydraulic chamber and a second hydraulic chamber; a transmission mechanism, wherein a transmission efficiency for converting and transmitting a linear motion of the input cylinder to a rotary motion of a steering wheel is less than a transmission efficiency for converting and transmitting the rotary motion of the steering wheel to the linear motion of the input cylinder; an output cylinder connected to a steerable vehicle wheel and having a third hydraulic chamber and a fourth hydraulic chamber; a first hydraulic passage for connecting the first hydraulic chamber to the third hydraulic chamber; a second hydraulic passage for connecting the second hydraulic chamber to the fourth hydraulic chamber; a flow rate control mechanism for exchanging hydraulic oil with: a first hydraulic circuit including the first and third hydraulic chambers and the first hydraulic passage; and a second hydraulic circuit including the second and fourth hydraulic chambers and the second hydraulic passage, in order to adjust a ratio of hydraulic oil quantities in the first and second hydraulic circuits; a steering actuator for providing the steerable vehicle wheel with a steering power assistance; and a controller for cooperatively controlling the flow rate control mechanism and the steering actuator.
    • 一种转向系统,包括:具有第一液压室和第二液压室的输入缸; 传动机构,其中用于将输入滚筒的直线运动转换和传递到方向盘的旋转运动的传动效率小于用于将方向盘的旋转运动转换和传递到方向盘的直线运动的传动效率 输入圆筒 连接到可转向车轮并具有第三液压室和第四液压室的输出缸; 用于将第一液压室连接到第三液压室的第一液压通道; 第二液压通道,用于将第二液压室连接到第四液压室; 用于与液压油交换的流量控制机构,包括:第一液压回路,包括第一和第三液压室和第一液压通道; 以及包括第二和第四液压室和第二液压通道的第二液压回路,以便调节第一和第二液压回路中的液压油量的比率; 用于向可转向车轮提供转向动力辅助的转向致动器; 以及用于协调地控制流量控制机构和转向致动器的控制器。
    • 10. 发明授权
    • Semiconductor sensor chip and method for producing the chip, and semiconductor sensor and package for assembling the sensor
    • 半导体传感器芯片及其制造方法,以及用于组装传感器的半导体传感器和封装
    • US06632697B2
    • 2003-10-14
    • US09956969
    • 2001-09-21
    • Katsumichi UeyanagiMutsuo NishikawaMitsuo Sasaki
    • Katsumichi UeyanagiMutsuo NishikawaMitsuo Sasaki
    • H01L2100
    • G01P1/023G01P15/0802G01P15/0888G01P15/11G01P15/123G01P21/00H01F10/126H01F10/265H05K1/18
    • The present invention is a method of making an acceleration sensor chip. The sensor chip is prepared from a SOI wafer having a silicon substrate, a SiO2 layer and a silicon thin film. A dopant is ion implanted at a position corresponding to a semiconductor strain gauge on the silicon thin film to form a diffusion resistor, and for forming devices necessary for circuit construction on said silicon thin film. A protective film is provided on the entire surface of the wafer, and a plurality of through holes penetrating the silicon thin film are formed by patterning and etching to make a weight part and a beam part connected to a support frame part on the periphery. The SiO2 layer under the weight part and the beam part is removed by wet etching to form the through holes, while leaving the protective film in place. The protective film is removed and a resist coated over the entire surface of the wafer. A slit for dividing the chip is formed part way through the wafer by dicing. The resist is removed by ashing with an O2 plasma and the chip is divided by concentrating a stress on the slit.
    • 本发明是制造加速度传感器芯片的方法。 传感器芯片由具有硅衬底,SiO PDAT>层和硅薄膜的SOI晶片制备。 在与硅薄膜上的半导体应变计相对应的位置处离子注入掺杂剂,以形成扩散电阻,并形成所述硅薄膜上电路构造所需的器件。 在晶片的整个表面上设置保护膜,通过图案化和蚀刻形成穿透硅薄膜的多个通孔,以使重量部分和与外围的支撑框架部分连接的梁部分。 通过湿蚀刻除去重量部分下面的SiO 2 和梁部分,以形成通孔,同时使保护膜保持在适当位置。 去除保护膜并将抗蚀剂涂覆在晶片的整个表面上。 用于分割芯片的狭缝通过切割部分地穿过晶片。 用O 2 等离子体通过灰化除去抗蚀剂,并通过在狭缝上集中应力来分割芯片。