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    • 2. 发明授权
    • Inspection method of honeycomb structure
    • 蜂窝结构检验方法
    • US08421860B2
    • 2013-04-16
    • US12718240
    • 2010-03-05
    • Takayoshi AkaoAkihiro MizutaniKensuke Tanaka
    • Takayoshi AkaoAkihiro MizutaniKensuke Tanaka
    • H04N7/18
    • G01B11/26G01N21/94G01N21/95692
    • An inspection method of a honeycomb structure comprising the steps of illuminating one end face of a honeycomb structure as an inspection target by a light source; condensing, by a condensing lens as a lens having an angle of view, light which is emitted from the light source to the one end face, passed through cells of the honeycomb structure and radiated from the other end face; receiving the light condensed on the condensing lens by a camera; subjecting the light received by the camera to image processing by an image processor, thereby specifying the radiated position of the light on the other end face; and calculating the tilt of the cells of the honeycomb structure from the radiated position of the light on the other end face, and the direction of the tilt.
    • 一种蜂窝结构的检查方法,包括以下步骤:通过光源照射作为检查对象的蜂窝结构体的一个端面; 通过聚光透镜作为具有视角的透镜,从光源发射到一个端面的光通过蜂窝结构体的细胞并从另一端面辐射; 通过相机接收在聚光透镜上聚光的光; 使由相机接收的光经受图像处理器的图像处理,从而指定在另一端面上的光的辐射位置; 以及从另一端面上的光的辐射位置和倾斜方向计算蜂窝结构体的单元的倾斜度。
    • 5. 发明授权
    • Thin-film piezoelectric resonator and thin-film piezoelectric filter using the same
    • 薄膜压电谐振器和使用其的薄膜压电滤波器
    • US08854156B2
    • 2014-10-07
    • US13202442
    • 2010-02-17
    • Kazuki IwashitaHiroshi TsuchiyaKensuke TanakaTakuya Maruyama
    • Kazuki IwashitaHiroshi TsuchiyaKensuke TanakaTakuya Maruyama
    • H03H9/15H03H9/54H03H9/17H03H9/02H03H9/60H03H3/02
    • H03H9/173H03H3/02H03H9/02086H03H9/02133H03H9/02149H03H9/174H03H9/605
    • A thin-film piezoelectric resonator including a substrate (6); a piezoelectric layer (2), a piezoelectric resonator stack (12) with a top electrode (10) and bottom electrode (8), and a cavity (4). The piezoelectric resonator stack (12) has a vibration region (40) where the top electrode and bottom electrode overlap in the thickness direction, and the vibration region comprises a first vibration region, second vibration region, and third vibration region. When seen from the thickness direction, the first vibration region is present at the outermost side, the third vibration region is present at the innermost side and does not contact the first vibration region, and the second vibration region is interposed between the first vibration region and third vibration region. The resonance frequency of the primary thickness-longitudinal vibration of the vibration region (40) is f1 at the first vibration region, is f2 at the third vibration region, wherein f1 and f2 satisfy a relationship of f1
    • 1.一种薄膜压电谐振器,包括基板(6); 压电层(2),具有顶部电极(10)和底部电极(8)的压电谐振器叠层(12)和空腔(4)。 压电谐振器叠层(12)具有顶部电极和底部电极在厚度方向上重叠的振动区域(40),振动区域包括第一振动区域,第二振动区域和第三振动区域。 当从厚度方向观察时,第一振动区域存在于最外侧,第三振动区域存在于最内侧并且不与第一振动区域接触,并且第二振动区域介于第一振动区域和第二振动区域之间, 第三振动区域。 振动区域(40)的初始厚度 - 纵向振动的共振频率在第一振动区域为f1,在第三振动区域为f2,其中f1和f2满足f1
    • 6. 发明申请
    • THIN FILM PIEZOELECTRIC RESONATOR AND THIN FILM PIEZOELECTRIC FILTER
    • 薄膜压电谐振器和薄膜压电过滤器
    • US20100109809A1
    • 2010-05-06
    • US12522857
    • 2008-01-17
    • Kensuke TanakaKazuki IwashitaHiroshi Tsuchiya
    • Kensuke TanakaKazuki IwashitaHiroshi Tsuchiya
    • H03H9/00
    • H03H9/173H03H9/132H03H9/174H03H9/175
    • Provided is a thin film piezoelectric resonator which includes a piezoelectric resonator stack (12) having a piezoelectric layer (2), an upper electrode (10) and a lower electrode (8); and a substrate (6) which supports the piezoelectric resonator stack. The piezoelectric resonator stack (12) is provided with a vibration region (18) wherein the upper electrode (10) and the lower electrode (8) face each other through a piezoelectric layer (2) and primary thickness vertical vibration can be performed; and a supporting region (19) supported by the substrate (6). The vibration region (18) has an oval shape with a ratio a/b of 1.1 or more but not more than 1.7, where (a) is a long diameter and (b) is a short diameter. The piezoelectric resonator stack (12) is further provided with an upper dielectric layer (20) formed on the upper electrode (10). When the total of the thickness of the upper electrode (10) and that of the upper dielectric layer (20) in the vibration region (18) is expressed as (c), and the thickness of the piezoelectric layer (2) in the vibration region (18) is expressed as (d), a ratio c/d is 0.25 or more but not more than 0.45.
    • 提供一种薄膜压电谐振器,其包括具有压电层(2),上电极(10)和下电极(8)的压电谐振器叠层(12)。 以及支撑压电谐振器叠层的衬底(6)。 压电谐振器叠层(12)设置有振动区域(18),其中上电极(10)和下电极(8)通过压电层(2)彼此面对,并且可以执行初级厚度垂直振动; 以及由所述基板(6)支撑的支撑区域(19)。 振动区域(18)具有比率a / b为1.1以上但不超过1.7的椭圆形状,其中(a)为长径,(b)为短径。 压电谐振器堆叠(12)还设置有形成在上电极(10)上的上电介质层(20)。 当振动区域(18)中的上电极(10)和上电介质层(20)的厚度的总和表示为(c)时,压电层(2)的振动厚度 区域(18)表示为(d),比率c / d为0.25以上且不大于0.45。
    • 8. 发明授权
    • Shuttlecock
    • 羽毛球
    • US08105185B2
    • 2012-01-31
    • US12744945
    • 2008-08-21
    • Kensuke Tanaka
    • Kensuke Tanaka
    • A63B67/18
    • A63B67/187A63B67/193
    • A shuttlecock including a cap and a skirt part whereto an air passage hole is formed, wherein a rib is provided to the skirt part, adjacent to a rear end of the air passage hole in a generatrix direction of the skirt part, the rib having a shape wherein air pressure difference is generated between an air flow passing through the air passage hole to flow on an inside of the rib and an air flow not passing through the air passage hole but to flow on an outside of the rib, and an aerodynamic force directed from the inside of the rib to the outside is generated.
    • 一种羽毛球,其包括形成有空气通道孔的帽和裙部,其中,在所述裙部的母线方向上与所述通气孔的后端相邻地设置在所述裙部的肋部,所述肋具有 形状,其中在通过所述空气通道孔的空气流在所述肋的内部上流动并且不通过所述空气通道孔但在所述肋的外侧流动的气流之间产生空气压力差,以及空气动力 产生从肋的内部引导到外部。