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    • 55. 发明授权
    • Piezoelectric vibrating element having a rectangular configuration
    • 具有矩形构造的压电振动元件
    • US4562372A
    • 1985-12-31
    • US682165
    • 1984-12-17
    • Takeshi NakamuraIkuo MatsumotoKenji Ando
    • Takeshi NakamuraIkuo MatsumotoKenji Ando
    • H03H9/24H03H9/17H01L41/08
    • H03H9/17
    • A vibrating element for the vibration under an expansion mode has a substrate made of a constant modulus alloy and has a rectangular configuration defined by opposite long sides and opposite short sides, a thin piezoelectric film deposited on the substrate, and a vibration electrode film deposited on the piezoelectric film. When an equivalent circuit of the vibrating element can be defined as including a resonance inductance L, a resistance R and a series capacitance Cs, which are connected in series and a parallel capacitance Cp, which is connected parallelly to the series connection of L, R and Cs, a ratio of short side to long side of the substrate is selected to have values around points where a ratio of parallel capacitance Cp to serial capacitance Cs shows negative peaks.
    • 用于在膨胀模式下的振动的振动元件具有由恒模合金制成的基板,并且具有由相对的长边和相对的短边限定的矩形构造,沉积在基板上的薄压电薄膜和沉积在基板上的振动电极膜 压电薄膜。 当振动元件的等效电路可以被定义为包括谐振电感L,串联连接的电阻R和串联电容Cs和并联连接到L,R的串联连接的并联电容Cp 和Cs,基板的短边与长边的比选择为具有围绕并联电容Cp与串联电容Cs的比率显示负峰值的点的值。
    • 59. 发明授权
    • Navigation system
    • 导航系统
    • US07970536B2
    • 2011-06-28
    • US11830355
    • 2007-07-30
    • Kenji Ando
    • Kenji Ando
    • G01C21/34
    • G01C21/3614G01C21/3461
    • A navigation system includes: a search unit that executes a search for a route from a start point to a destination; a display unit at which the route determined through the search is displayed together with a roadmap; and a specification unit that specifies a range on the roadmap. If an entrance interchange into an express highway, present on the route determined through the search executed by the search unit and the start point are contained within the range specified via the specification unit, the search unit executes a search within the range to determine a first route from the start point to the entrance interchange present within the range and also executes a search for a second route from the entrance interchange to the destination; and the first route and the second route having been searched by the search unit are displayed at the display unit.
    • 导航系统包括:搜索单元,其执行从起始点到目的地的路线的搜索; 通过搜索确定的路线与路线图一起显示的显示单元; 以及指定路线图范围的规格单位。 如果通过由搜索单元执行的搜索而确定的路线上存在的高速公路的入口交换包含在通过指定单元指定的范围内,则搜索单元在该范围内执行搜索以确定第一 从起点到入口交汇处的路线,并且还执行从入口交汇到目的地的第二路线的搜索; 并且由搜索单元搜索的第一路线和第二路线被显示在显示单元上。