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    • 34. 发明授权
    • Multiple points distance measuring apparatus
    • 多点测距仪
    • US6144451A
    • 2000-11-07
    • US845286
    • 1997-04-21
    • Takashi Kawabata
    • Takashi Kawabata
    • G01B11/00G01C3/06G02B7/32G02B7/34G03B13/36G01B11/14
    • G02B7/346
    • A focusing state detecting or distance measuring apparatus or camera which measures a focusing state or distance of an object for a plurality of different areas in a scene. The apparatus or camera includes a light receiver for receiving a light beam associated with each area associated in the scene at a light receiving portion corresponding to each area. Each light receiving portion has a plurality of elements and provides an output corresponding to the received light. The apparatus also includes a processing circuit for performing calculation and regulation functions. When performing a calculation function, the circuit performs a correlation calculation on an output of each of the light receiving portions to detect a focusing state or distance for each light receiving portion. When performing a regulation function, the circuit sets a range of elements of each light receiving portion whose outputs are subject to the correlation calculation When the correlation calculation is to be performed at a particular light receiving portion and the correlation calculation at an other light receiving portion has already been performed, the circuit sets the range elements of the particular light receiving portion whose outputs are subject to the correlation calculation based on the result of the correlation calculation for the other light receiving portion.
    • 聚焦状态检测或距离测量装置或照相机,其测量场景中多个不同区域的对象的聚焦状态或距离。 所述装置或照相机包括光接收器,用于在与每个区域对应的光接收部分处接收与场景中相关联的每个区域相关联的光束。 每个光接收部分具有多个元件并提供对应于所接收的光的输出。 该装置还包括用于执行计算和调节功能的处理电路。 当执行计算功能时,电路对每个光接收部分的输出执行相关计算,以检测每个光接收部分的聚焦状态或距离。 当执行调节功能时,电路设置其输出进行相关计算的每个光接收部分的元素的范围。当在特定的光接收部分执行相关计算时,在另一个光接收部分进行相关计算 已经执行了电路,基于另一个光接收部分的相关计算的结果,设置其输出被进行相关计算的特定光接收部分的范围元素。
    • 35. 发明授权
    • Distance measuring apparatus
    • 距离测量仪
    • US6084658A
    • 2000-07-04
    • US781142
    • 1997-01-09
    • Takashi Kawabata
    • Takashi Kawabata
    • G01C3/06G01C3/00G01C3/10G02B7/32G03B13/36G01C3/08G02B7/04G03B13/00
    • G01C3/10
    • A distance measuring apparatus provided with a plurality of light-emitting units and a plurality of light-receiving units. The light emission period of each of the light-emitting units is changed over at each predetermined period interval. A plurality of light-receiving elements constituting each light-receiving unit are constructed so as to receive the reflected lights from a plurality of distance measurement fields of view on an object to be photographed in a plurality of distance measurement zones obtained by dividing a range to be measured into several blocks. The input signal from each of the light-receiving elements in each of the distance measurement zones is changed over in synchronism with the light emission period of the light-emitting units and the output signals for the respective distance measurement zones are compared, whereby a distance data indicative of the distance measurement zone most approximate to the object distance is put out.
    • 一种设置有多个发光单元和多个光接收单元的测距装置。 每个发光单元的发光周期以每个预定周期间隔被切换。 构成每个光接收单元的多个光接收元件被构造成从多个距离测量区域中接收来自多个距离测量区域中的多个距离测量视场中的反射光, 被测量成几个块。 每个距离测量区域中的每个光接收元件的输入信号与发光单元的发光周期同步地转换,并且比较各个距离测量区域的输出信号,由此距离 推出最接近物距的表示距离测量区的数据。
    • 38. 发明授权
    • Balloon catheter
    • 气球导管
    • US5460607A
    • 1995-10-24
    • US125843
    • 1993-09-24
    • Shinichi MiyataTakashi KawabataTetsuo ToyokawaKouichi Sakai
    • Shinichi MiyataTakashi KawabataTetsuo ToyokawaKouichi Sakai
    • A61M1/10A61M39/06A61M25/00
    • A61M1/1072A61M39/0613A61M2039/062
    • A balloon catheter used for intra-aortic balloon pumping (IABP). In the balloon catheter, an outer diameter of a catheter tube is not made constant in the axial direction. Rather, the outer diameter of the catheter tube from a hemostatic valve to a bifurcation, the portion which is positioned outside the patient's blood vessel, is made 3 to 30 percent larger than the outer diameter of the catheter tube from the balloon portion to the hemostatic valve, which is positioned inside the patient's blood vessel. The bifurcation has a first passage and a second passage. The first passage is communicating with a shuttle gas port and is disposed straight along the direction of the axial center of the catheter tube. In the balloon catheter, improvements in a channel resistance of a shuttle gas and in the response can be expected compared with the conventional balloon catheter, where the blood pressure measurement port (the second passage) was disposed straight along the direction of the axial center of the catheter tube and the outer diameter of the catheter tube was made constant in the axial direction.
    • 用于主动脉内球囊泵送的气囊导管(IABP)。 在气囊导管中,导管的外径在轴向不成一体。 相反,从止血阀到分叉的导管的外径(位于患者血管外部的部分)比导管的外径从气囊部分到止血部分大3至30% 阀门位于患者血管内。 分叉具有第一通道和第二通道。 第一通道与穿梭气体端口连通,并且沿导管的轴心方向直线设置。 在气囊导管中,与传统的气囊导管相比,可以预期穿梭气体的通道阻力的改善和响应中的血压测量端口(第二通道)沿着轴向中心的方向直线设置 将导管和导管的外径沿轴向保持恒定。
    • 39. 发明授权
    • Apparatus for assisting blood circulation
    • 用于辅助血液循环的装置
    • US5449342A
    • 1995-09-12
    • US171359
    • 1993-12-23
    • Teruo HiroseTakashi Kawabata
    • Teruo HiroseTakashi Kawabata
    • A61M1/10A61M1/36A61M37/00A61N1/362
    • A61M1/1037A61M1/3659A61M1/1046A61M1/3621A61M1/3666
    • An apparatus for assisting blood circulation includes an inflow tube which can be inserted into the right atrium from a peripheral blood vessel or which can be inserted into the left atrium from a peripheral blood vessel through the right atrium and the foramen ovale of the interarterial septum. An outflow tube is inserted into the aorta or into the carotid artery from a peripheral blood vessel to deliver the blood to the aorta or to the carotid artery. The outlet tube has an outlet for blood on the side of a upstream part of the tube and a blood pump which can take in the blood from the inflow tube and send out the blood to the outflow tube. When the former inflow tube is used, it also comprises an oxygen gas exchanger which exchanges carbon dioxide in the blood for oxygen. The apparatus can be very easily applied to the patient without thoracotomy to assist the circulation of blood. The function of the lung is assisted, the load on the heart is reduced and the blood flow volume of the coronary artery is increased. The circulation of blood in the whole body or in the brain is assisted.
    • 用于辅助血液循环的装置包括可以从外周血管插入右心房的流入管,或者可以通过右心房和横断面间隔的卵圆孔从外周血管插入左心房。 将流出管从外周血管插入主动脉或颈动脉中,将血液输送到主动脉或颈动脉。 出口管具有在管的上游侧的血液出口和可以从流入管吸取血液并将血液发送到流出管的血泵。 当使用前一个流入管时,还包括一个氧气交换器,它将氧气中的二氧化碳交换在血液中。 该装置可以非常容易地应用于患者而不用开胸手术来辅助血液的循环。 辅助肺功能,减轻心脏负荷,增加冠状动脉血流量。 全身或大脑中的血液循环得到协助。