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    • 1. 发明授权
    • Anti-skid control system for motor vehicle
    • 机动车防滑控制系统
    • US4741580A
    • 1988-05-03
    • US890611
    • 1986-07-30
    • Yuji MatsubaraHiroshi IkegamiHideo AkimaAkira HoashiKatsuya MiyakeIsao YamakiToshifumi Maehara
    • Yuji MatsubaraHiroshi IkegamiHideo AkimaAkira HoashiKatsuya MiyakeIsao YamakiToshifumi Maehara
    • B60T8/1761B60T8/50B60T8/64B60T8/70B60T8/68
    • B60T8/17616B60T8/5006
    • In an anti-skid control system for a motor vehicle, brake fluid pressure reduction-control mode and brake fluid pressure buildup-control mode occurs cyclically; in the reduction-control mode, reduction of the brake fluid pressure is started on the basis of detection of an abrupt drop in wheel speed which occurs when the wheel is braked; and in buildup-control mode, a valve is repetitively opened and closed so that brake fluid pressure buildup and holding operations are performed alternatley and repetitively, whereby the brake fluid pressure is caused to build up gradually. The length of time period for the first buildup operation in the buildup-control mode is determined on the basis of variation in the wheel speed occurring between a low peak point and a high peak point; and the length of time period for at least one of each pressure holding operation and each of the second and succeeding pressure buildup operations in the abovementioned buildup-control mode, is determined on the basis of variation in the wheel speed occurring immediately before the pressure holding or buildup operation is started.
    • 在机动车辆的防滑控制系统中,循环地发生制动液压降控制模式和制动液压升压控制模式; 在减速控制模式中,基于在车轮制动时发生的车轮速度的突然下降的检测开始制动液压力的降低; 并且在增压控制模式中,重复地打开和关闭阀,从而使制动液压力积累和保持操作交替地重复地进行,从而使制动液压力逐渐增大。 基于在低峰值点和高峰值点之间发生的车轮速度的变化来确定建立控制模式中的第一累积操作的时间长度; 并且基于在压力保持之前发生的车轮速度的变化来确定上述累积控制模式中的每个压力保持操作和第二次和后续压力累积操作中的至少一个的时间段的长度 或建立操作开始。
    • 3. 发明授权
    • Anti-skid control system for motor vehicles
    • 机动车防滑控制系统
    • US4717209A
    • 1988-01-05
    • US947188
    • 1986-12-29
    • Naoyuki HagiyaYuji MatsubaraKatsuya MiyakeHideo AkimaAkira Hoashi
    • Naoyuki HagiyaYuji MatsubaraKatsuya MiyakeHideo AkimaAkira Hoashi
    • B60T8/72B60T8/172B60T8/1761B60T8/1764B60T8/58B60T8/66B60T8/70B60T8/84B60T8/64B60T8/60
    • B60T8/58B60T8/17616B60T8/1764
    • An anti-skid control system for motor vehicles is provided wherein the higher one of the lefthand and righthand rear wheels is selected as a first computed speed; the lower one of the above two wheel speeds is selected as a second computed speed; the lower one of the first computed speed and lefthand front wheel speed is selected as a third computed speed; the lower one of the first computed speed and righthand front wheel speed is selected as a fourth computed speed; and a reference speed is set up on the basis of the first computed speed in such a manner that it is lower than the first computed speed by a predetermined amount and follows the first computed speed with such a speed difference. Reduction of brake pressure which has been increased, is started on the basis of the third or fourth computed speed; and in the case where the second computed speed being decelerated, goes below the reference speed, the reduction of the brake hydraulic pressure is stopped at time when the second computed speed which is now being increased as the result of the brake pressure reduction goes above the reference speed, and thereupon buildup of the brake pressure is started.
    • 提供一种用于机动车辆的防滑控制系统,其中左后轮和右后轮中较高的一个被选择为第一计算速度; 选择上述两个车轮速度中的较低的一个作为第二计算速度; 第一计算速度和左前轮速度中的较低的一个被选择为第三计算速度; 选择第一计算速度和右前轮速度中较低的一个作为第四计算速度; 并且基于第一计算速度,以低于第一计算速度预定量并且以这样的速度差跟随第一计算速度的方式建立参考​​速度。 已经增加的制动压力的降低是基于第三或第四计算速度开始的; 并且在第二计算速度减速的情况下,低于基准速度时,当由于制动压力降低而正在增加的第二计算速度高于制动器压力降低时,制动液压的降低停止 参考速度,从而开始制动压力的积累。
    • 6. 发明授权
    • Anti-lock control system for motor vehicles
    • 汽车防抱死控制系统
    • US4991910A
    • 1991-02-12
    • US278618
    • 1988-12-01
    • Haruki ShimanukiYuji MatsubaraTakao Maki
    • Haruki ShimanukiYuji MatsubaraTakao Maki
    • B60T8/172B60T8/1763B60T8/1764B60T8/1769B60T8/66
    • B60T8/1764B60T8/1769
    • An anti-lock control system for motor vehicles is designed to have its computed vehicle speed modified as the motor vehicle is braked. In this invention, the computed vehicle speed persists along a reference deceleration gradient line representing a predetermined acceleration follow-up limit measured with respect to the wheel speed for a predetermined period of time from a point of time when the deceleration of the computed vehicle speed reaches the reference deceleration gradient line for the first time after the motor vehicle was braked. Thereafter, the computed vehicle speed is modified to follow a deceleration gradient line with a gradient that is gentler than that of the reference deceleration gradient line, until a threshold speed is reached, which is lower by a predetermined amount than and follows the computed vehicle speed with such a speed difference.
    • 用于机动车辆的防抱死控制系统被设计成随着机动车辆制动而改变其计算车速。 在本发明中,计算出的车速沿着基准减速斜率线持续,该基准减速斜率线表示从计算出的车速达到的时刻起的时间点的预定时间段内相对于车轮速度测定的规定的加速度跟随极限 机动车辆制动后第一次参考减速梯度线。 此后,将计算出的车速修正为跟随比基准减速梯度线更缓慢的坡度的减速梯度线,直到达到阈值速度,该阈值比预定量低并且跟随计算出的车速 有这样的速度差。
    • 7. 发明授权
    • Respiration rate measuring apparatus
    • 呼吸率测量仪
    • US5682898A
    • 1997-11-04
    • US423448
    • 1995-04-19
    • Ye AungYuji Matsubara
    • Ye AungYuji Matsubara
    • A61B5/024A61B5/08A61B5/00
    • A61B5/0816A61B5/024A61B5/7278
    • An apparatus is provided for measuring a respiration rate of a living subject, including a pulse rate measuring device which iteratively determines a pulse rate of the subject based on a pulse wave continuously produced from a peripheral portion of the subject; a systolic blood pressure measuring device which iteratively determines a systolic blood pressure of the subject based on a magnitude of a pressure pulse wave continuously produced from an arterial vessel of an extremity of the subject; a calculating device for iteratively calculating a product of two or more factors which include one of the iteratively determined pulse rates and one of the iteratively determined systolic blood pressures; and a respiration rate determining device for determining a respiration rate of the subject based on a period of a cyclic change of the iteratively calculated products. An apparatus is also provided for measuring a respiration rate of a living subject, including a pulse wave detecting device which detects a pulse wave continuously produced from the subject; a waveform evaluating device for iteratively providing an evaluated value of a waveform of the detected pulse wave; and a respiration rate determining device for determining a respiration rate of the subject based on a period of a cyclic change of the evaluated values iteratively provided by the waveform evaluating device.
    • 提供了一种用于测量生物体的呼吸速率的装置,包括:脉搏率测量装置,其基于从受试者的周边部分连续产生的脉搏波,迭代地确定对象的脉搏率; 收缩压测量装置,其基于从受试者的肢体的动脉血管连续产生的压力脉搏波的大小反复地确定受试者的收缩压; 计算装置,用于迭代地计算两个或多个因子的乘积,所述因子包括迭代确定的脉搏率之一和所述迭代确定的收缩压之一; 以及呼吸速率确定装置,用于基于迭代计算的产品的循环变化的周期来确定对象的呼吸速率。 还提供了一种用于测量生物体的呼吸速率的装置,包括检测从受检者连续产生的脉搏波的脉波检测装置; 波形评估装置,用于迭代地提供检测到的脉波的波形的评估值; 以及呼吸速率确定装置,用于基于由所述波形评估装置迭代地提供的所述评估值的循环变化的周期来确定所述对象的呼吸速率。
    • 8. 发明授权
    • Pulse wave detecting apparatus
    • 脉波检测装置
    • US5617868A
    • 1997-04-08
    • US347151
    • 1994-11-22
    • Chikao HaradaYuji Matsubara
    • Chikao HaradaYuji Matsubara
    • A61B5/00A61B5/0205A61B5/022A61B5/0408A61B5/0476A61B5/083
    • A61B5/6814A61B5/02055A61B5/02241A61B5/0002A61B5/0408A61B5/0476A61B5/0836A61B5/1455
    • An apparatus for detecting a pressure pulse wave produced from an arterial vessel of a living subject, including a pulse wave sensor including at least one pressure sensing element and having a press surface in which the pressure sensing element is provided, the press surface of the pulse wave sensor being adapted to be pressed against the arterial vessel of the subject via a body surface of the subject above the arterial vessel, so that the pressure sensing element detects the pressure pulse wave produced from the arterial vessel; a support member supporting the pulse wave sensor such that the pulse wave sensor is advanceable away from, and retractable toward, the support member, the support member being adapted to be worn on the subject such that the press surface of the pulse wave sensor is opposed to the body surface of the subject; and a polymer actuator provided between the support member and the pulse wave sensor, the polymer actuator producing a pressing force to press the pulse wave sensor against the arterial vessel of the subject via the body surface of the subject. The polymer actuator may be replaced by a piezoelectric actuator, a bimetal actuator, or a shape memory alloy actuator.
    • 一种用于检测从活体的动脉血管产生的压力脉搏波的装置,包括具有至少一个压力感测元件的脉搏波传感器,并具有压力感测元件的压力表面,脉冲的压力表面 波传感器适于经由动脉血管上方的受试者的身体表面压在受试者的动脉血管上,使得压力感测元件检测从动脉血管产生的压力脉搏波; 支撑构件,其支撑所述脉波传感器,使得所述脉搏波传感器能够朝向所述支撑构件前进且可向后伸缩,所述支撑构件适于佩戴在所述被检体上,使得所述脉搏波传感器的按压面相对 到受试者的身体表面; 以及设置在所述支撑构件和所述脉搏波传感器之间的聚合物致动器,所述聚合物致动器经由所述对象的身体表面产生按压力以将所述脉搏波传感器压靠在所述对象的动脉血管上。 聚合物致动器可以由压电致动器,双金属致动器或形状记忆合金致动器代替。
    • 9. 发明授权
    • Mass flow measuring apparatus
    • 质量流量计
    • US4220045A
    • 1980-09-02
    • US963714
    • 1978-11-27
    • Suzuo SuzukiHiroyuki MaruokaHatsuo NagaishiYuji Matsubara
    • Suzuo SuzukiHiroyuki MaruokaHatsuo NagaishiYuji Matsubara
    • G01F1/708G01F1/78G01F1/56G01F1/76
    • G01F1/78G01F1/7088
    • Mass flow measuring apparatus includes ionizing electrodes and an ion collecting electrode located downstream of the ionizing electrodes where the ionizing electrodes are biased with a high DC voltage produced in response to ignition pulses of an internal combustion engine. The high voltage is derived from a tap of the secondary winding of the ignition coil of the ignition circuit. The ions are allowed to migrate at the same speed with the mass fluid flow an are collected by the collecting electrode. The transit time of the ions over the distance between the ionizing electrodes and the collecting electrode is measured. The period of the high DC voltage applied across the ionizing electrodes may be controlled in accordance with the magnitude of the load of the engine and/or the transit time of the ions.
    • 质量流量测量装置包括电离电极和位于电离电极下游的离子收集电极,其中电离电极被响应于内燃机的点火脉冲产生的高直流电压偏置。 高压源自点火电路的点火线圈的次级绕组的抽头。 允许离子以相同速度迁移,质量流体流动被收集电极收集。 测量离子在电离电极和集电极之间的距离的传播时间。 可以根据发动机的负载的大小和/或离子的通过时间来控制施加在电离电极上的高DC电压的周期。