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    • 3. 发明申请
    • Instrumental dial
    • 乐器表盘
    • US20070089665A1
    • 2007-04-26
    • US11585478
    • 2006-10-24
    • Ryo SuzukiYoshinori ArakiSatoru TamuraKazunaga KasaiShinji Kamon
    • Ryo SuzukiYoshinori ArakiSatoru TamuraKazunaga KasaiShinji Kamon
    • H03J1/00
    • G01D11/28
    • An instrumental dial has a plurality of grooves defined in a front surface thereof. Each groove has a pair of side surfaces each comprising a pair of flat surfaces. The flat surface is closer to a rear surface of the instrumental dial than the flat surface. The flat surfaces are inclined by different angles θ1, θ2, respectively, to the direction in which the dial is visually recognized. The angles θ1, θ2 satisfy the relationship of θ1>θ2. The number of times that incoming light is reflected in the groove is increased to greatly reduce the amount of light that leaves the groove and also to disperse outgoing light in various directions. The instrumental dial thus has a novel look provided by a spinning pattern, and has a reduced reflectance for good visibility.
    • 仪表盘具有限定在其前表面中的多个凹槽。 每个凹槽具有一对侧表面,每个侧表面包括一对平坦表面。 平坦表面比平坦表面更靠近工具表盘的后表面。 平面分别以不同的角度θ1,θ2倾斜到表盘视觉识别的方向。 角度θ1,θ2满足θ1>θ2的关系。 增加入射光在凹槽中反射的次数,以大大减少离开凹槽的光量并且还可以在各个方向上分散出射光。 因此,工具表盘具有由旋转图案提供的新颖外观,并且具有降低的反射率以获得良好的可视性。