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    • 5. 发明申请
    • ULTRASONIC DETECTION DEVICE AND ULTRASONIC DIAGNOSTIC DEVICE
    • 超声检测装置和超声诊断装置
    • US20120163124A1
    • 2012-06-28
    • US13393918
    • 2010-10-28
    • Takahiro AkiyamaMakoto TakagiKazunari FujiiHidemasa Mizutani
    • Takahiro AkiyamaMakoto TakagiKazunari FujiiHidemasa Mizutani
    • G01N29/24B06B1/02
    • G01N29/2418B06B1/0292G01N29/2406G01N2291/101
    • Provided is an ultrasonic detection device including: a capacitive electromechanical transducer including a cell that includes a first electrode and a second electrode disposed so as to oppose with a space; a voltage source for developing a potential difference between the first electrode and the second electrode; and an electric circuit for converting a current, which is caused by a change in electrostatic capacitance between the first electrode and the second electrode due to vibration of the second electrode, into a voltage, in which the capacitive electromechanical transducer provides an output current with a high-pass characteristic having a first cutoff frequency with respect to a frequency, the electric circuit provides an output with a low-pass characteristic having a second cutoff frequency with respect to the frequency, and the second cutoff frequency is smaller than the first cutoff frequency.
    • 本发明提供一种超声波检测装置,其特征在于,包括:电容式机电换能器,其包括具有与空间对置配置的第一电极和第二电极的电池单元; 用于在第一电极和第二电极之间形成电位差的电压源; 以及用于将由于第二电极的振动而由第一电极和第二电极之间的静电电容的变化引起的电流转换成电压的电路,其中电容式机电换能器提供输出电流 具有相对于频率具有第一截止频率的高通特性,所述电路提供具有相对于所述频率具有第二截止频率的低通特性的输出,并且所述第二截止频率小于所述第一截止频率 。
    • 10. 发明授权
    • Endless track and a manufacturing method thereof
    • 无尽的轨道及其制造方法
    • US06913330B2
    • 2005-07-05
    • US09955974
    • 2001-09-20
    • Hiroyuki TakenoHirokatsu NiitsuKiyokazu NiwaMakoto TakagiMasaki Ohara
    • Hiroyuki TakenoHirokatsu NiitsuKiyokazu NiwaMakoto TakagiMasaki Ohara
    • B62D55/253B62D55/20B62D55/205B62D55/24B62D55/28
    • B62D55/20B62D55/24B62D55/28
    • An endless track includes an iron link belt, a continuous pad, and a connecting device. The iron link belt includes a link unit assembly constructed of a plurality of link units connected to each other. Each link unit includes a pair of links. The iron link belt may include a plate welded to the pair of links and extending perpendicularly to a direction in which the link unit assembly extends. The continuous pad includes the same number of core metal plates as that of the link units and a single urethane rubber belt covering and being attached to a ground opposing surface of each of the core metal plates. The urethane rubber belt extends continuously over all of the core metal plates. The urethane rubber belt may include a small thickness portion positioned between two adjacent core metal plates. The connecting device connects the iron link belt and the continuous pad.
    • 环形履带包括铁链节带,连续垫和连接装置。 铁链带包括由彼此连接的多个连杆单元构成的连杆单元总成。 每个链接单元包括一对链接。 铁链带可以包括焊接到该对连杆并且垂直于连杆单元组件延伸的方向延伸的板。 连续垫包括与连接单元相同数量的芯金属板,以及覆盖并附接到每个芯金属板的地面相对表面的单个聚氨酯橡胶带。 聚氨酯橡胶带在所有的芯金属板上连续延伸。 聚氨酯橡胶带可以包括位于两个相邻的芯金属板之间的小厚度部分。 连接装置连接铁链带和连续垫。