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    • 13. 发明授权
    • Ultrasound diagnostic apparatus
    • 超声诊断仪
    • US08876721B2
    • 2014-11-04
    • US13353006
    • 2012-01-18
    • Kenji Nakamura
    • Kenji Nakamura
    • A61B8/00
    • A61B8/56A61B8/42A61B8/4209A61B8/4472
    • An ultrasound diagnostic apparatus comprises: an ultrasound probe that has a transducer array transmitting an ultrasonic beam toward a subject and receiving an ultrasonic echo by the subject to output reception signals; a diagnostic apparatus body that is connected to the ultrasound probe by wireless communication and generates an ultrasound image on the basis of the reception signal output from the transducer array; at least one power receiving terminal that is arranged at the ultrasound probe and electrically connected to respective parts in the ultrasound probe; and a power supply unit that is capable of being attached to an operator's body and is detachably connected to the power receiving terminal so as to perform power supply to the respective parts in the ultrasound probe.
    • 超声波诊断装置包括:超声波探头,其具有将超声波束朝向被检体传递的换能器阵列,并且由被检体接收超声波回波以输出接收信号; 诊断装置主体,其通过无线通信连接到所述超声波探头,并且基于从所述换能器阵列输出的接收信号生成超声波图像; 至少一个电力接收终端,其布置在所述超声波探头处并电连接到所述超声波探头中的相应部分; 以及电源单元,其能够附接到操作者的身体并且可拆卸地连接到电力接收端子,以对超声波探头中的各个部分供电。
    • 20. 发明申请
    • GENERATOR
    • US20120025652A1
    • 2012-02-02
    • US13201411
    • 2009-11-30
    • Kenji NakamuraOsamu Ichinokura
    • Kenji NakamuraOsamu Ichinokura
    • H02K21/38H02K1/14
    • H02K21/44F01D15/10H02K1/141H02K1/17
    • The generator comprises a stator (10) having a plurality of protruding portions for stator pole (12) on the outer peripheral surface of the stator main unit (11), and a rotor (20) having a plurality of protruding portions for rotor (22) mounted around the stator (10) in a rotatable state. Since the height of the plurality of protruding portions for stator pole (12) decreases along the rotational or reverse rotational direction of the rotor (20), a torque waveform containing odd-order components is generated when the rotor (20) is rotated coaxially around the stator (10). The plurality of protruding portions for stator pole (12) comprises a first protrusion group for stator pole (12A) and a second protrusion group for stator pole (12B), and the first protrusion group for stator pole (12A) and the second protrusion group for stator pole (12B) are formed with the protruding portions for stator pole (12) laid out along the circumferential direction spaced apart from each other. The rotor (10) has a first ring member (21A) and a second ring member (21B) separated from each other in the axial direction at a given distance, a first protrusion group for rotor pole (22A) having half of the plurality of protruding portions for rotor poles (22) aligned along the inner peripheral surface of the first ring member (21A) spaced apart from each other, and a second protrusion group for rotor pole (22B) having half of the plurality of protruding portions for rotor poles (22) aligned along the inner peripheral surface of the second ring member (21B) spaced apart from each other. By placing the first protrusion group for stator pole (12A) and the second protrusion group for stator pole (12B) in the same phase, and shifting the second protrusion group for rotor (22B) from the first protrusion group for rotor (22A) by a mechanical angle allowing their electrical phases to deviate by 180°, odd-order components of the torque waveform can be canceled, and torque ripple can be reduced.