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    • 41. 发明申请
    • Recording reproducing method and recording reproducing device
    • 记录再现方法和记录再现装置
    • US20060044975A1
    • 2006-03-02
    • US10538302
    • 2003-11-18
    • Tomoyuki MiyakeKyoji Kasuga
    • Tomoyuki MiyakeKyoji Kasuga
    • G11B7/00G11B7/09
    • G11B20/00746G11B20/10G11B27/034G11B27/105G11B27/329
    • A recording/reproducing apparatus is provided that is used by a plurality of users and simplifies file management in a storage medium in which many content items are stored. With the use of the recording/reproducing apparatus (1), when recording and reproducing contents on and from an optical disk D, recording and reproducing history information is recorded and updated for each content item and for each user who has recorded the content, will reproduce the content, and is reproducing the content. The recording and reproducing history information includes information, for example, indicative of whether or not each content item has been reproduced, and a reproducing restriction set on each content item. Displaying such information realizes simple file management. For example, it is possible to fetch contents that have not been commonly reproduced among plural users, or delete contents that have been reproduced by all users, both quickly and reliably.
    • 提供了一种由多个用户使用的记录/再现装置,并简化了存储许多内容项的存储介质中的文件管理。 利用记录/再现装置(1),当在光盘D上记录和再现内容时,对于每个内容项目以及对于已经记录了内容的每个用户来说,记录和更新记录和再现历史信息,将会 再现内容,并且正在再现内容。 记录和再现历史信息包括例如指示每个内容项是否已经被再现的信息,以及对每个内容项设置的再现限制。 显示这样的信息实现简单的文件管理。 例如,可以在多个用户之间获取未被普遍再现的内容,或者可以快速且可靠地删除所有用户再现的内容。
    • 42. 发明授权
    • Magnetic head and magnetic head assembly using the same
    • 磁头和磁头组合使用相同
    • US06600697B2
    • 2003-07-29
    • US09779733
    • 2001-02-09
    • Toshio TahiraSeiichi NagatomeTomoyuki Miyake
    • Toshio TahiraSeiichi NagatomeTomoyuki Miyake
    • G11B1100
    • G11B11/1058G11B5/105G11B5/4886G11B11/10534G11B11/1055
    • The magnetic head of the present invention includes a magnetic body in the form of a flat plate, and a magnetic pole in the form of a pillar for applying a magnetic field to a recording medium, which is provided to rise on a portion of the magnetic body which is offset in one direction from a center of the magnetic body, and is provided with a coil around its outer periphery. Thus, the magnetic head has a core of a raised shape which is composed of the pillar-shaped magnetic pole being attached to the magnetic body in the form of a flat plate, making it possible to provide a heat capacity and a heat radiation area required for the core and the magnetic body, respectively, thus adapting to high frequencies. Further, because the magnetic pole is provided on a position which is offset in one direction from the center of the magnetic body, there will be no interference between the magnetic head and the cartridge or mechanical components even when the size of the core is increased due to the core of the raised shape. As a result, less restriction is imposed on a moving range of the magnetic head, thus using the entire recording area of the recording medium.
    • 本发明的磁头包括平板形式的磁体和用于将磁场施加到记录介质上的柱形形式的磁极,该磁极设置成在磁体的一部分上升高 主体从磁性体的中心向一个方向偏移,并且在其外周围设有线圈。 因此,磁头具有凸起形状的芯,其由以平板形式附接到磁体的柱状磁极组成,使得可以提供所需的热容量和热辐射面积 分别用于磁芯和磁体,从而适应高频率。 此外,由于磁极设置在与磁体的中心偏移的位置上,所以即使当磁芯的尺寸增加时,磁头和磁盘盒或机械部件之间也不会有干扰 到凸起的形状的核心。 结果,对磁头的移动范围的限制较少,因此使用记录介质的整个记录​​区域。
    • 43. 发明授权
    • Magneto-optical recording and reproduction apparatus exhibiting suppressed vibration
    • 具有抑制振动的磁光记录和再现装置
    • US06560169B2
    • 2003-05-06
    • US09882594
    • 2001-06-15
    • Tomoyuki MiyakeSeiichi NagatomeToshiyuki Tanaka
    • Tomoyuki MiyakeSeiichi NagatomeToshiyuki Tanaka
    • G11B1100
    • G11B11/10571G11B11/10552G11B11/10556G11B11/1058
    • A magneto-optical recording and reproduction device includes an optical pickup for irradiating a magneto-optical disk with a laser beam for performing at least one of information recording to a magneto-optical disk, information reproduction from the magneto-optical disk, and information erasure from the magneto-optical disk; a magnetic head for providing a magnetic field to a position of the magneto-optical disk irradiated with the laser beam for performing at least one of the information recording and the information erasure, the magnetic head being located opposite to the optical pickup with respect to the magneto-optical disk where the magneto-optical disk is mounted on the magneto-optical recording and reproduction device; a housing for accommodating the optical pickup; a guide shaft for moving the housing; a suspension for supporting the magnetic head; and an arm for connecting the suspension and the housing. The guide shaft is on a straight line extending in a direction perpendicular to a plane of the magneto-optical disk from the center of gravity of a combination of at least the arm, the magnetic head and the suspension, so as to suppress a vibration of the arm, with the guide shaft being a fulcrum of the vibration.
    • 磁光记录和再现装置包括一个光拾取器,用于用激光束照射磁光盘,用于执行至磁光盘的信息记录,磁光盘的信息再现和信息擦除中的至少一个 从磁光盘; 磁头,用于向被照射激光束的磁光盘的位置提供磁场,用于执行信息记录和信息擦除中的至少一个,磁头相对于光学拾取器位于与光学拾取器相对的位置 磁光盘安装在磁光记录和再现装置上的磁光盘; 用于容纳光学拾取器的壳体; 用于移动壳体的引导轴; 用于支撑磁头的悬架; 以及用于连接悬架和壳体的臂。 引导轴在与至少臂,磁头和悬架的组合的重心垂直于磁光盘的平面的方向上延伸的直线上,以便抑制振动 手臂,导向轴是振动的支点。
    • 48. 发明授权
    • Magneto-optical head device having a lubricated member
    • 具有润滑部件的磁光头装置
    • US5386400A
    • 1995-01-31
    • US183259
    • 1994-01-19
    • Junichiro NakayamaTomoyuki MiyakeHiroyuki KatayamaKenji Ohta
    • Junichiro NakayamaTomoyuki MiyakeHiroyuki KatayamaKenji Ohta
    • G11B5/40G11B5/60G11B11/105G11B23/50G11B33/14G11B13/04
    • G11B5/6005G11B11/1058G11B23/505G11B33/148G11B5/6082G11B5/40G11B5/6011
    • A magneto-optical recording device has a flying head that floats over a magneto-optical disk according to the rotation of the magneto-optical disk. The flying head includes a head slider. A solid lubricant is applied to the bottom surface of the head slider facing the magneto-optical disk. Since the solid lubricant makes the flying head contact with the magneto-optical disk smoothly, the scratching and wear of the magneto-optical disk and the flying head decrease. Therefore, the reliability and the durability of the magneto-optical recording device can improve. Physical protrusions and recessions or holes containing fluorocarbon oil therein may be formed instead of the solid lubricant. In this case, the contact area between the flying head and the magneto-optical disk is also smaller than the case where physical protrusions and recessions are not formed. In addition, with a configuration such that thin-film layers made of a fluorocarbon resin having an excellent lubricity are formed on both sides of the bottom surface of the head slider, since the magneto-optical disk comes into contact with the head smoothly, the reliability and the durability of the magneto-optical recording device can improve.
    • 磁光记录装置具有根据磁光盘的旋转而浮动在磁光盘上的飞头。 飞头包括头滑块。 将固体润滑剂施加到面向磁光盘的磁头滑块的底表面上。 由于固体润滑剂使飞头与磁光盘平滑地接触,所以磁光盘和飞头的划伤和磨损减小。 因此,可以提高磁光记录装置的可靠性和耐久性。 可以形成其中包含氟碳油的物理突起和凹陷或孔,而不是固体润滑剂。 在这种情况下,飞头和磁光盘之间的接触面积也小于没有形成物理突起和凹陷的情况。 此外,由于磁头与磁头滑块底面的两侧形成具有优异的润滑性的氟碳树脂制成的薄膜层,所以由于磁光盘顺利地与磁头接触,所以, 可以提高磁光记录装置的可靠性和耐久性。