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    • 49. 发明授权
    • Apparatus and method for measuring oxygen saturation in blood
    • 用于测量血液中氧饱和度的装置和方法
    • US08175669B2
    • 2012-05-08
    • US11508995
    • 2006-08-24
    • Naoki KobayashiKenji MiyataMasaru YaritaKazumasa Ito
    • Naoki KobayashiKenji MiyataMasaru YaritaKazumasa Ito
    • A61B5/1455
    • A61B5/14551A61B5/7257
    • In an apparatus for measuring an oxygen saturation in blood, a plurality of light emitters irradiate a living tissue with a plurality of light beams having different wavelengths. A light receiver receives the light beams reflected from or transmitted through the living tissue to generate pulse wave signals in accordance with pulsations of the blood in the living tissue. A separator separates each of the pulse wave signals into a plurality of amplitude signals each of which is associated with one frequency, thereby generating pairs of amplitude signals each of which is associated with one of a plurality of frequencies. A first processor calculates a ratio between the amplitude signals in each of the pairs of the amplitude signals. A selector selects one of the pairs of the amplitude signals. A second processor calculates the oxygen saturation from the ratio of the selected pair of the amplitude signals.
    • 在用于测量血液中的氧饱和度的装置中,多个发光体用具有不同波长的多个光束照射生物体组织。 光接收器接收从活体组织反射或透射的光束,以根据活体组织中的血液的脉动产生脉搏波信号。 分离器将每个脉波信号分离成多个振幅信号,每个幅度信号与一个频率相关联,从而产生每个与多个频率之一相关联的振幅信号对。 第一处理器计算每对振幅信号中的幅度信号之间的比率。 选择器选择幅度信号对之一。 第二处理器根据所选择的一对幅度信号的比率来计算氧饱和度。
    • 50. 发明申请
    • AC Generator for Vehicle
    • 交流发电机
    • US20120038238A1
    • 2012-02-16
    • US13201887
    • 2009-03-11
    • Yoshihisa IshikawaKenji MiyataTakayuki KoyamaMasahiko Honma
    • Yoshihisa IshikawaKenji MiyataTakayuki KoyamaMasahiko Honma
    • H02K3/12H02K3/28
    • H02K3/28H02K19/22H02K2213/03
    • A vehicular AC generator includes: a rotor (1) with a plurality of magnetic poles (113), assuming a shape for suppressing bias magnetism, and disposed along a circumferential direction, which includes a field winding (12); a stator (2) disposed so as to leave a gap between the rotor (1) and the stator (2); and a semiconductor element that rectifies an AC current induced at a stator coil (105) wound at the stator (2) as power is supplied to the field winding (112) at the rotor (1) so as to convert the AC current to a DC current, wherein: the stator (2) is formed by laminating electromagnetic steel plates; and a resistance value of the stator coil (105) wound at the stator (2) is set to a value equal to or less than a predetermined value.
    • 一种车辆用交流发电机,包括:具有多个磁极(113)的转子(1),具有抑制偏磁的形状,并且沿周向配置,包括励磁绕组(12); 定子(2),设置成在转子(1)和定子(2)之间留下间隙; 以及半导体元件,其对在所述定子(2)上缠绕的定子线圈(105)感应的交流电流进行整流,因为在所述转子(1)向所述励磁绕组(112)供电,以将所述交流电转换成 DC电流,其中:定子(2)通过层压电磁钢板形成; 卷绕在定子(2)上的定子线圈(105)的电阻值被设定为等于或小于预定值的值。