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    • 4. 发明公开
    • Data erasure apparatus and data erasure method
    • Vorrichtung und Verfahren zurDatenlöschung
    • EP1744306A2
    • 2007-01-17
    • EP06012559.8
    • 2006-06-19
    • Hitachi Global Storage Technologies B. V.
    • Kitamura, MitsuruKatoh, Masahiko
    • G11B5/012
    • G11B5/0245G11B5/012
    • Disclosed is a method for erasing data recorded on a magnetic disk, which is housed in a magnetic disk drive, by using an external erasure magnetic field generated by an external erasure magnetic field generator. The method comprises the steps of: moving a first magnetic disk drive within an external erasure magnetic field in a moving state appropriate for the type of the first magnetic disk drive, and erasing data recorded on a magnetic disk in the first magnetic disk drive; and moving a second magnetic disk drive, which differs in type from the first magnetic disk drive, within an external erasure magnetic field in a moving state that differs from the moving state of the first magnetic disk drive, and erasing data recorded on a magnetic disk in the second magnetic disk drive.
    • 公开了一种通过使用由外部擦除磁场发生器产生的外部擦除磁场来擦除记录在磁盘上的数据的方法,该磁盘被容纳在磁盘驱动器中。 该方法包括以下步骤:在适于第一磁盘驱动器的类型的移动状态下移动外部擦除磁场内的第一磁盘驱动器,以及擦除记录在第一磁盘驱动器中的磁盘上的数据; 并且在与第一磁盘驱动器的移动状态不同的移动状态的外部擦除磁场内移动与第一磁盘驱动器不同的第二磁盘驱动器,以及擦除记录在磁盘上的数据 在第二磁盘驱动器中。
    • 8. 发明公开
    • MAGNETIC DATA ERASING DEVICE
    • MAGNETDATENLÖSCHEINRICHTUNG
    • EP1906388A4
    • 2008-09-24
    • EP06781354
    • 2006-07-20
    • ORIENT INSTR COMP CO LTD
    • ITO TOMOAKI
    • G11B5/024
    • G11B5/0245
    • An inexpensive magnetic data erasing device having an improved security is realized in a simple structure. The device comprises a power supply circuit section (2), an accommodating section accommodating a magnetic recording medium or an apparatus incorporating a magnetic recording medium, and a primary coil (15) and a secondary coil (17) both wound around the outer peripheral portion of the accommodating section. The primary coil (15) is connected to the power supply circuit section (2) and the secondary coil (17) is short-circuited. The power supply circuit section has a capacitor and a charging circuit for charging the capacitor and discharges the electric charge stored in the capacitor via the primary coil. The primary coil (15) is excited by the current flowed from the power supply circuit section (2) and thereby an induced current is generated in the secondary coil (17). An alternate magnetic field is generated by the interaction between the primary coil (15) and secondary coil (17). The alternate magnetic field demagnetizes the magnetic recording medium and erases the magnetic data recorded on the magnetic recording medium.
    • 以简单的结构实现具有改进的安全性的便宜的磁数据擦除设备。 该装置包括电源电路部分(2),容纳磁记录介质的容纳部分或装有磁记录介质的装置,以及缠绕在外周部分上的初级线圈(15)和次级线圈(17) 的容纳部分。 初级线圈(15)连接到电源电路部分(2),次级线圈(17)短路。 电源电路部分具有电容器和充电电路,用于对电容器充电并通过初级线圈释放存储在电容器中的电荷。 初级线圈(15)被从电源电路部分(2)流出的电流激励,从而在次级线圈(17)中产生感应电流。 通过初级线圈(15)和次级线圈(17)之间的相互作用产生交变磁场。 交变磁场使磁记录介质消磁并擦除记录在磁记录介质上的磁数据。
    • 10. 发明公开
    • DATA RECORDING MEDIUM PROCESSING METHOD AND DEVICE, AND ELECTRONIC DEVICE DISCARDING METHOD AND DEVICE
    • 数据记录介质处理和丢弃过程和安装和布置于电子设备
    • EP1693833A1
    • 2006-08-23
    • EP04820293.1
    • 2004-12-10
    • Orient Instrument Computer Co., Ltd
    • ITO, Tomoaki, Orient Instrument Computer Co., Ltd.
    • G11B5/024G11B7/0055G06F12/14
    • G11B5/024G11B5/0245
    • There is provided with a method for dealing with data recording media adapted to readily erase magnetic data recorded in magnetic recording media or destroy data recorded in optical recording media and a device for carrying out said method. Further, there is provided with a method for disposing of electronic device for destroying electronic devices and a device for carrying out said method.
      A device 1 for dealing with data recording media including an excitation coil 23 for generating a magnetic field having a predetermined strength, a magnetron 31 for radiating an electromagnetic wave having a predetermined frequency at a predetermined strength, and a receptacle 60 adapted to accommodate a magnetic recording medium or an optical recording medium, wherein the receptacle 60 is made of a non-magnetic material capable of shielding the electromagnetic wave, wherein the receptacle 60 has an outer periphery around which the excitation coil 23 is wound so as to induce a magnetic field within the receptacle 60, and wherein the receptacle 60 has a wall provided with the magnetron 31, so that the electromagnetic wave is radiated toward inside of the receptacle 60.
    • 本发明提供有用于与数据记录媒体angepasst处理容易地擦除记录在磁记录介质的磁性数据或破坏记录在光学记录介质和一个设备,用于执行该方法的数据的方法。 此外,还设置有用于销毁电子装置和用于执行所述方法的装置的电子装置的配置的方法。 一种用于处理数据记录介质在励磁线圈23包括用于产生具有预定的强度,用于辐射到电磁波在一个预定的强度具有预定频率的磁控管31的磁场装置1,和一个插座60 angepasst容纳磁 记录介质或光记录介质上,worin插座60由能够屏蔽电磁波,worin插座60已经在其外周卷绕有励磁线圈23被缠绕的非磁性材料制成的,以便产生磁场 插座60内,并且worin插座60具有设置有所以也电磁波朝着插座第60的内部辐射的磁控管31的壁