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    • 2. 发明授权
    • Substrate for surface acoustic wave device and surface acoustic wave device
    • 表面声波装置和表面声波装置用基板
    • US06420815B1
    • 2002-07-16
    • US09662766
    • 2000-09-15
    • Naoki TanakaMorio Ogura
    • Naoki TanakaMorio Ogura
    • H03H925
    • H03H9/02574H03H9/02543H03H9/02559
    • An SAW device substrate and an SAW device having a larger value of K2 than conventional SAW device substrates can be obtained by using LiNbO3 represented by Eulerian angles of (18-30°, 80-100°, 35-75°) and determining the thickness H of a piezoelectric substrate and the pitch &lgr; of electrodes so that KH is at least 2.3 and at most 4.5. Alternatively, an Li2B4O7 layer is formed as a piezoelectric substrate on a surface of a glass layer to obtain an Li2B4O7/glass structured SAW device substrate. More preferably, such Li2B4O7 that is represented by Eulerian angles of (0-45°, 85-95°, 85-95°) is employed. Furthermore, the SAW device substrate is used to form an SAW device so that the KH parameter is about 0.5.
    • 通过使用由欧拉角度(18-30°,80-100°,35-75°)表示的LiNbO 3并确定厚度可以获得具有比常规SAW器件衬底更大的K2值的SAW器件衬底和SAW器件 H和压电基片的间距,使KH为2.3以上4.5以下。 或者,在玻璃层的表面上形成作为压电基板的Li2B4O7层,得到Li2B4O7 /玻璃结构的SAW元件基板。 更优选地,使用(0-45°,85-95°,85-95°)的欧拉角表示的这种Li2B4O7。 此外,SAW器件衬底用于形成SAW器件,使得KH参数为约0.5。
    • 7. 发明授权
    • Drive system and AC conversion device
    • 驱动系统和交流转换装置
    • US07315464B2
    • 2008-01-01
    • US10953490
    • 2004-09-30
    • Shinichi SawadaTakeaki OgawaNaoki Tanaka
    • Shinichi SawadaTakeaki OgawaNaoki Tanaka
    • H02M5/25G05F1/00
    • H02M1/4225H02M7/538H02M2001/007Y02B70/126
    • A drive system with small power loss in power conversion is provided. The drive system has an AC conversion device for converting commercial AC power from a commercial AC power supply and a DC conversion device. An AC power supply path for supplying power to discharge tubes, and a DC power supply path for supplying power to an image processing circuit or the like, are provided independently. The AC conversion device converts commercial AC power into converted AC power and gives the converted AC power to an AC drive device directly. Consequently, it is possible to reduce conversion steps for generating converted AC power and to reduce power loss that occurs in a conversion process. In particular, when power consumption of the discharge tubes is large, it is possible to reduce power loss in an entire liquid crystal display apparatus effectively by providing the AC conversion device.
    • 提供功率转换功率损耗小的驱动系统。 驱动系统具有用于从商用AC电源和DC转换装置转换商用AC电力的AC转换装置。 独立地提供用于向放电管供电的AC电源路径和用于向图像处理电路等供电的DC电源路径。 交流转换装置将商用交流电转换成转换后的交流电源,并将转换后的交流电力直接送到交流驱动装置。 因此,可以减少用于产生转换的AC电力的转换步骤并且减少在转换处理中发生的功率损耗。 特别地,当放电管的功耗大时,可以通过提供AC转换装置有效地降低整个液晶显示装置的功率损耗。
    • 8. 发明申请
    • Measurement System and Method for Measuring Living Bodies
    • 生活体测量系统和方法
    • US20070287922A1
    • 2007-12-13
    • US11696295
    • 2007-04-04
    • Naoki TanakaAtsushi MakiTakushige Katsura
    • Naoki TanakaAtsushi MakiTakushige Katsura
    • A61B5/02
    • A61B5/0261A61B5/021A61B5/02416A61B5/6814
    • A living body measurement system including a cerebral blood volume measurement unit for measuring a regional cerebral blood volume of a subject, an arterial pressure/heart rate measurement unit for measuring an arterial pressure and/or a heart rate of the subject, an analysis unit for analyzing signals measured by the cerebral blood volume measurement unit and the arterial pressure/heart rate measurement unit, an extraction unit for extracting information concerning a regional cerebral vascular state of the subject on the basis of an output of the analysis unit, and a display unit for displaying a measurement result measured by the cerebral blood volume measurement unit and/or the arterial pressure/heart rate measurement unit, an analysis result analyzed by the analysis unit, or an extraction result extracted by the extraction unit.
    • 一种生物体测量系统,包括用于测量对象的局部脑血容量的脑血容量测量单元,用于测量受试者的动脉压和/或心率的动脉压/心率测量单元,用于 分析由脑血容量测量单元和动脉压/心率测量单元测量的信号,提取单元,用于根据分析单元的输出提取关于对象的区域性脑血管状态的信息;以及显示单元 用于显示由脑血容量测量单元和/或动脉压/心率测量单元测量的测量结果,由分析单元分析的分析结果或由提取单元提取的提取结果。