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    • 71. 发明授权
    • Magneto-optical recording medium whereon overwriting is permitted by
light intensity modulation
    • 通过光强度调制允许覆盖的磁光记录介质
    • US5635296A
    • 1997-06-03
    • US260095
    • 1994-06-15
    • Junichiro NakayamaMichinobu MiedaHiroyuki KatayamaAkira TakahashiKenji Ohta
    • Junichiro NakayamaMichinobu MiedaHiroyuki KatayamaAkira TakahashiKenji Ohta
    • G11B11/10G11B11/105G11B5/66
    • G11B11/10506G11B11/10523G11B11/10586Y10T428/26Y10T428/265
    • A magneto-optical recording medium includes a first magnetic layer, a second magnetic layer and a third magnetic layer respectively made of rare earth-transition metal alloys. The first magnetic layer has a perpendicular magnetization in a temperature range between room temperature and its Curie temperature. The second magnetic layer has its Curie temperature higher than that of the first magnetic layer, and coercive force thereof at room temperature is nearly zero. The third magnetic layer has a perpendicular magnetization in a temperature range between room temperature and its Curie temperature. The Curie temperature of the third magnetic layer is higher than the Curie temperature of the first magnetic layer. The coercive force of the third magnetic layer at room temperature is lower than that of the first magnetic layer. The compensation temperature of the third magnetic layer is higher than that of the second magnetic layer. Having the above arrangement, an overwriting is permitted on the magneto-optical recording medium, and an initializing magnetic field and a recording magnetic field in a magneto-optical recording and reproducing device are set in the same direction.
    • 磁光记录介质包括分别由稀土 - 过渡金属合金制成的第一磁性层,第二磁性层和第三磁性层。 第一磁性层在室温和居里温度之间的温度范围内具有垂直磁化强度。 第二磁性层的居里温度高于第一磁性层,其室温下的矫顽力几乎为零。 第三磁性层在室温与其居里温度之间的温度范围内具有垂直磁化强度。 第三磁性层的居里温度高于第一磁性层的居里温度。 室温下第三磁性层的矫顽力低于第一磁性层的矫顽力。 第三磁性层的补偿温度高于第二磁性层的补偿温度。 具有上述结构,在磁光记录介质上允许重写,磁光记录和再现装置中的初始化磁场和记录磁场被设置在相同的方向上。
    • 72. 发明授权
    • Light modulation method for magneto-optical recording device
    • 磁光记录装置的光调制方法
    • US5422865A
    • 1995-06-06
    • US163355
    • 1993-12-07
    • Hiroyuki KatayamaJunji HirokaneJunichiro NakayamaAkira TakahashiKenji Ohta
    • Hiroyuki KatayamaJunji HirokaneJunichiro NakayamaAkira TakahashiKenji Ohta
    • G11B11/10G11B11/105G11B13/04
    • G11B11/10506G11B11/10521
    • A magneto-optical recording method includes the steps of applying an external magnetic field perpendicularly onto the magnetic thin film with perpendicular magnetization of a magneto-optical recording medium and projecting a light beam onto the magneto-optical recording medium; and modulating the intensity of the light beam between the first light intensity and the second light intensity in response to the information to be recorded while shifting a spot of the light beam, thereby recording information. In the above method, the first light intensity is set such that by reducing the coercive force of the magnetic thin film with perpendicular magnetization, a magnetic domain is formed on the magnetic thin film with perpendicular magnetization, and that the magnetic domain is moved as the spot of the light beam is shifted. The second light intensity is set such that by increasing the coercive force of the magnetic thin film with perpendicular magnetization, the magnetic domain is fixed to the position.
    • 磁光记录方法包括以下步骤:利用磁光记录介质的垂直磁化将磁场垂直地施加到磁性薄膜上并将光束投射到磁光记录介质上; 以及响应于要移动光束的点而要记录的信息,调制第一光强度和第二光强度之间的光束的强度,从而记录信息。 在上述方法中,第一光强度被设定为通过以垂直磁化强度降低磁性薄膜的矫顽力,在磁性薄膜上以垂直磁化形成磁畴,并且磁畴作为 光束的光斑被移动。 第二光强度被设定为通过以垂直磁化强度增加磁性薄膜的矫顽力,将磁畴固定在该位置上。
    • 77. 发明授权
    • Vehicle control apparatus and vehicle control method
    • 车辆控制装置和车辆控制方法
    • US08521416B2
    • 2013-08-27
    • US13043984
    • 2011-03-09
    • Yuki NakadaToshiya OosawaAkira Takahashi
    • Yuki NakadaToshiya OosawaAkira Takahashi
    • F41G9/00G06F17/10G06G7/78
    • B60W30/12B60T2201/08B60T2201/083B60T2201/087B62D15/025
    • A vehicle control apparatus includes a first section that recognizes a lane boundary line of a lane in which a vehicle is traveling. A second section recognizes a present position of a predetermined reference point of the vehicle. A third section calculates a predicted position of the reference point, wherein the predicted position is a predetermined interval ahead of the present position. A fourth calculates an imaginary lane boundary line, wherein the imaginary lane boundary line is tangent to the lane boundary line at a point close to the predicted position. A fifth section performs a control of preventing the vehicle from deviating from the lane by controlling the vehicle depending on positional relationship between the vehicle and the lane boundary line. A sixth section selectively permits and suppresses the control depending on positional relationship among the imaginary lane boundary line, the present position, and the predicted position.
    • 车辆控制装置包括识别车辆行驶的车道的车道边界线的第一部分。 第二部分识别车辆的预定参考点的当前位置。 第三部分计算参考点的预测位置,其中预测位置是在当前位置之前的预定间隔。 第四计算虚拟车道边界线,其中虚拟车道边界线在靠近预测位置的点处与车道边界线相切。 第五部分通过根据车辆与车道边界线之间的位置关系控制车辆来执行防止车辆偏离车道的控制。 第六部分根据虚拟车道边界线,当前位置和预测位置之间的位置关系选择性地允许和抑制控制。