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    • 24. 发明授权
    • Apparatus for recording and reproducing data
    • 用于记录和再现数据的设备
    • US06552986B1
    • 2003-04-22
    • US09520723
    • 2000-03-08
    • Yasushi FukudaKazuo ShigematsuMasahiko Takahashi
    • Yasushi FukudaKazuo ShigematsuMasahiko Takahashi
    • G11B700
    • G11B19/247G11B19/04
    • A data recording and reproducing apparatus includes a recording disabled state determining device for determining whether or not the optical disc is in a recording disabled state, in which the data recording and reproducing apparatus controls the rotation of the optical disc to increase a rotational speed during reproduction processing higher than the rotational speed during recording processing to reproduce data when the recording disabled state determining device determines that the optical disc is in the recording disabled state, thereby accepting a recording instruction and a reproduction instruction as required at any time, and avoids reproducing data at the same reproducing speed as a recording speed which is unnecessarily slower than the reproducing speed.
    • 一种数据记录和再现装置,包括一个记录禁止状态确定装置,用于确定光盘是否处于记录禁止状态,其中数据记录和再现装置控制光盘的旋转以增加再现期间的转速 当记录禁止状态确定装置确定光盘处于记录禁止状态时,在记录处理期间高于转速的处理以再现数据,从而随时接受所需的记录指令和再现指令,并避免再现数据 以与再现速度不必要地慢的记录速度相同的再现速度。
    • 27. 发明申请
    • Nonaqueous gel composition for tooth whitening and tooth whitening set
    • 用于牙齿美白和牙齿美白的非水凝胶组合物
    • US20070122360A1
    • 2007-05-31
    • US10584192
    • 2004-12-24
    • Takayuki OnikiAkira UchiyamaYasushi FukudaShimako Inoue
    • Takayuki OnikiAkira UchiyamaYasushi FukudaShimako Inoue
    • A61K8/81
    • A61Q11/00A61K8/042A61K8/345A61K8/361A61K8/365A61K8/8152A61K8/8158
    • A nonaqueous gel composition for tooth whitening, comprising: (A) tooth whitening ingredient having a relative permittivity of 17.0 to 43.0 (at 25° C.) and a vapor pressure of 0 to 7000 kPa (at 25° C.), (B) substance that is soluble in the tooth whitening ingredient and is precipitated by an aqueous solution of calcium chloride, and (C) gelling agent, which nonaqueous gel composition contains substantially none of water and peroxide. This tooth whitening component can penetrate into the enamel surface layer of teeth to thereby alter the optical properties, such as refractive index and reflectance, of the enamel so that the enamel is apparently whitened. The whitened teeth can be restored to the original tooth color in a reversible manner in the presence of water. Further the persistence of reversible whitening effect can be strikingly enhanced by the nonaqueous gel composition.
    • 一种用于牙齿美白的非水性凝胶组合物,其包含:(A)相对介电常数为17.0〜43.0(25℃),蒸气压为0〜7000kPa(25℃)的牙齿增白成分,(B )物质,其可溶于牙齿增白成分,并通过氯化钙水溶液沉淀,和(C)胶凝剂,该非水凝胶组合物基本上不含水和过氧化物。 这种牙齿美白组分可以渗透到牙齿的牙釉质表面层中,从而改变搪瓷的光学性质,例如折射率和反射率,使得釉质明显变白。 漂白的牙齿可以在有水的情况下以可逆的方式恢复原来的牙齿颜色。 此外,通过非水凝胶组合物可以显着提高持久性的可逆增白效果。