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    • 1. 发明授权
    • Magnetic head device and recording medium drive
    • 磁头装置和记录介质驱动
    • US06388839B2
    • 2002-05-14
    • US09886218
    • 2001-06-22
    • Yutaka SoudaHiraku AkihoWataru Ito
    • Yutaka SoudaHiraku AkihoWataru Ito
    • G11B548
    • G11B5/6005G11B5/012G11B5/016G11B5/10G11B5/4886G11B5/58
    • This invention relates to a magnetic head device and a disk drive, which are suitable for application to a mass-storage floppy disk drive. A first and second rails are provided on the disk side in projected form on a slider of each of magnetic head elements 20 so as to extend in a tangential direction R of a track of the disk and be parallel with each other. A head chip for recording and reproducing data in a state of being in contact with a recording surface of the disk and in a standard recording density is provided substantially in the central position of the first rail. Another head chip for recording and reproducing data in a state of being levitated from the recording surface of the disk and in a high recording density is provided in a position on the rear side of the second rail 26b with respect to the tangential direction R of the track. A width of the first rail of each magnetic head element is narrower than a width of the second rail thereof. The slider is inclined and levitated so that the second rail approaches the recording surface of the disk.
    • 本发明涉及适用于大容量存储软盘驱动器的磁头装置和磁盘驱动器。 第一轨道和第二轨道以投影的形式设置在每个磁头元件20的滑块上,以便沿盘的轨道的切线方向R延伸并且彼此平行。 用于以与盘的记录表面接触并以标准记录密度的状态记录和再现数据的头芯片基本上设置在第一轨道的中心位置。 在第二导轨26b的后侧相对于第二导轨26b的切线方向R的位置设置有用于以从盘的记录表面浮起并以高记录密度悬浮的状态记录和再现数据的另一个头芯片 跟踪。 每个磁头元件的第一轨道的宽度比其第二轨道的宽度窄。 滑块倾斜并悬浮,使得第二轨道接近盘的记录表面。
    • 2. 发明授权
    • Magnetic head device and recording medium drive
    • 磁头装置和记录介质驱动
    • US06304419B1
    • 2001-10-16
    • US09249236
    • 1999-02-11
    • Yutaka SoudaHiraku AkihoWataru Ito
    • Yutaka SoudaHiraku AkihoWataru Ito
    • G11B548
    • G11B5/6005G11B5/012G11B5/016G11B5/10G11B5/4886G11B5/58
    • This invention relates to a magnetic head device and a disk drive, which are suitable for application to a mass-storage floppy disk drive or the like. A first and a second rail are provided on the disk side in projected form on a slider of each of magnetic head elements 20 so as to extend in a tangential direction R of a track of the disk and be parallel with each other. A head chip for recording and reproducing data in a state of being in contact with a recording surface of the disk and in a standard recording density is provided substantially in the central position of the first rail. Another head chip for recording and reproducing data in a state of being levitated from the recording surface of the disk and in a high recording density is provided in a position on the rear side of the second rail 26b with respect to the tangential direction R of the track. A width of the first rail of each magnetic head element is narrower than a width of the second rail thereof. The slider is inclined and levitated so that the second rail approaches the recording surface of the disk.
    • 本发明涉及适用于大容量存储软盘驱动器等的磁头装置和磁盘驱动器。 第一轨道和第二轨道以盘形方式设置在每个磁头元件20的滑块上,以沿盘的轨道的切线方向R延伸并且彼此平行。 用于以与盘的记录表面接触并以标准记录密度的状态记录和再现数据的头芯片基本上设置在第一轨道的中心位置。 在第二导轨26b的后侧相对于第二导轨26b的切线方向R的位置设置有用于以从盘的记录表面悬浮的状态以高记录密度记录和再现数据的另一个头芯片 跟踪。 每个磁头元件的第一轨道的宽度比其第二轨道的宽度窄。 滑块倾斜并悬浮,使得第二轨道接近盘的记录表面。
    • 8. 发明授权
    • Magnetic core member, antenna module, and mobile communication terminal having the same
    • 磁芯构件,天线模块和具有该磁芯构件的移动通信终端
    • US07405709B2
    • 2008-07-29
    • US10569900
    • 2004-08-27
    • Isao TakahashiKazuo NozawaHiraku Akiho
    • Isao TakahashiKazuo NozawaHiraku Akiho
    • H01Q7/08H01Q1/36
    • H01Q1/38H01Q7/06H01Q19/10
    • A magnetic core member, an antenna module, and a portable communication terminal having this, which have a configuration capable of satisfying enhancement of communication characteristics of antenna coils as well as their sufficient electromagnetic shielding function from a shield plate. A magnetic core member (4) is disposed between an antenna substrate having antenna coils (11), (12) formed therein and a conductive shield plate (3), and is formed by filling an insulating material (30) with a magnetic powder (31). The magnetic core member (4) has a two-layered structure including a first layer (4A) and a second layer (4B), thereby making a filling rate of the magnetic powder (31) in the first layer (4A) be lower than that of the magnetic powder (31) in the second layer (4B) so that a first surface (4a) on a side opposed to the antenna substrate (2) and a second surface (4b) on a side opposed to the shield plate (3) have magnetic properties different from each other.
    • 具有这一点的磁芯构件,天线模块和便携式通信终端具有能够满足天线线圈的通信特性的提高以及其与屏蔽板的充分电磁屏蔽功能的配置。 磁芯部件(4)设置在形成有天线线圈(11),(12)的天线基板与导电性屏蔽板(3)之间,并且通过用磁性粉末填充绝缘材料(30)而形成 31)。 磁芯部件(4)具有包括第一层(4A)和第二层(4B)的两层结构,从而使得第一层(4A)中的磁粉(31)的填充率, 低于第二层(4B)中的磁性粉末(31)的厚度,使得与天线基板(2)相对的一侧上的第一表面(4a)和侧面上的第二表面(4b) 与屏蔽板(3)相对具有彼此不同的磁性。
    • 9. 发明申请
    • Antenna Apparatus
    • 天线装置
    • US20070205291A1
    • 2007-09-06
    • US11660560
    • 2006-06-15
    • Keisuke AramakiSatoru SugitaHiraku Akiho
    • Keisuke AramakiSatoru SugitaHiraku Akiho
    • G06K19/06H01Q7/08
    • G06K19/07749H01Q1/2208H01Q7/00
    • This invention provides an antenna apparatus (60) for use in a non-contact type IC card into and from which data can be written and read by electronic apparatuses having a communication function, by virtue of inductive coupling. The antenna apparatus comprises a loop coil (61) and a magnetic member (62). The loop coil is produced by winding a conductive wire in a plane and configured to perform the inductive coupling. The magnetic member covers one region (61a) of the loop coil, provided at one side, from one surface of the loop coil, passes through the loop coil, and covers the other region (61b) of the loop coil, provided at the other side, from the other surface of the loop coil. The entire region of the loop coil is thus covered.
    • 本发明提供一种用于非接触型IC卡的天线装置(60),通过电感耦合,可以通过具有通信功能的电子设备将数据写入和读取。 天线装置包括环形线圈(61)和磁性构件(62)。 环形线圈通过将导线缠绕在平面中并被配置为执行电感耦合而产生。 磁性构件覆盖环形线圈的位于环形线圈的一个表面的一侧的一个区域(61a),穿过环形线圈,并覆盖环形线圈的另一区域(61b),该区域设置在 另一侧,从环形线圈的另一个表面。 因此,环形线圈的整个区域被覆盖。