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公开(公告)号：US20130154787A1
公开(公告)日：2013-06-20
申请号：US13645311
申请日：2012-10-04
Applicant: TDK CORPORATION , TDK KOREA CORPORATION
Inventor： Hiroshi MAEDA , Terumasa TOYODA , Kiho HWANG , Sukho SHIN
IPC: H01F5/00
CPC classification number: H01F5/00 , H01F27/326 , H01F27/346
Abstract: A coil device 10 comprises a first bobbin 40 having a first bobbin plate 42 provided with a first hollow cylinder 44 on which a primary coil 20 is wound at the outer periphery, and a second bobbin 50 mounted on the first bobbin 40 and having a second bobbin plate 52 provided with a second hollow cylinder 54 on which a secondary coil 30 is wound at the outer periphery. A winding center C1 of the primary coil 20 and a winding center C2 of the secondary coil 30 displace with a predetermined displacement (Lx) along a predetermined reference direction X.
Abstract translation: 线圈装置10包括第一线轴40，第一线轴40具有第一线轴板42，第一线轴板42设置有第一中空圆柱体44，初级线圈20在其外周上缠绕在其上;第二线轴50，安装在第一线轴40上， 设有第二中空圆筒54的线轴板52，二次线圈30在其外周缠绕。 初级线圈20的卷绕中心C1和次级线圈30的卷绕中心C2沿预定的参考方向X以预定的位移（Lx）移动。
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Patent Agency Ranking
公开(公告)号：US20210225580A1
公开(公告)日：2021-07-22
申请号：US17144383
申请日：2021-01-08
Applicant: TDK CORPORATION , TDK KOREA CORPORATION
Inventor： Hiroyuki IWATA , Kiyofumi FUJIWARA , Sepung KI , Chihu AN
Abstract: A coil device including a magnetic core having a winding core around which a wire is wound to form a coil, and four terminal electrodes attached to an outer end surface of a flange formed at an end of the winding core along a winding axis. A recess is formed on the outer end surface of the flange, and each of the terminal electrodes includes a first rising piece loosely entering the recess, and a mounting piece integrally formed with the first rising piece and adhered to the outer end surface of the flange.
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公开(公告)号：US12119154B2
公开(公告)日：2024-10-15
申请号：US17209761
申请日：2021-03-23
Applicant: TDK CORPORATION , TDK KOREA CORPORATION
Inventor： Kiyofumi Fujiwara , Hiroyuki Iwata , Eietsu Abe , Sepung Ki , Chihu An
CPC classification number: H01F17/045 , H01F27/2823 , H01F27/292
Abstract: The present invention provides a coil device which includes two coil elements in the same device and achieves an improved wire occupancy. The coil device includes a core including a winding core, and a winding wire part of which a first wire and a second wire are wound in a plurality of layers around the winding core, wherein the winding wire part includes a first part in which the first wire and the second wire of a same turn are wound adjacent to each other on a same layer, and a second part in which the first wire and the second wire of a same turn are wound in different layers without being adjacent to each other.
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公开(公告)号：US08791786B2
公开(公告)日：2014-07-29
申请号：US13645311
申请日：2012-10-04
Applicant: TDK Corporation , TDK Korea Corporation
Inventor： Hiroshi Maeda , Terumasa Toyoda , Kiho Hwang , Sukho Shin
CPC classification number: H01F5/00 , H01F27/326 , H01F27/346
Abstract: A coil device 10 comprises a first bobbin 40 having a first bobbin plate 42 provided with a first hollow cylinder 44 on which a primary coil 20 is wound at the outer periphery, and a second bobbin 50 mounted on the first bobbin 40 and having a second bobbin plate 52 provided with a second hollow cylinder 54 on which a secondary coil 30 is wound at the outer periphery. A winding center C1 of the primary coil 20 and a winding center C2 of the secondary coil 30 displace with a predetermined displacement (Lx) along a predetermined reference direction X.
Abstract translation: 线圈装置10包括第一线轴40，第一线轴40具有第一线轴板42，第一线轴板42设置有第一中空圆柱体44，初级线圈20在其外周上缠绕在其上;第二线轴50，安装在第一线轴40上， 设有第二中空圆筒54的线轴板52，二次线圈30在其外周缠绕。 初级线圈20的卷绕中心C1和次级线圈30的卷绕中心C2沿预定的参考方向X以预定的位移（Lx）移动。
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公开(公告)号：US12106888B2
公开(公告)日：2024-10-01
申请号：US17144383
申请日：2021-01-08
Applicant: TDK CORPORATION , TDK KOREA CORPORATION
Inventor： Hiroyuki Iwata , Kiyofumi Fujiwara , Sepung Ki , Chihu An
CPC classification number: H01F27/29 , H01F27/24 , H01F27/2823
Abstract: A coil device including a magnetic core having a winding core around which a wire is wound to form a coil, and four terminal electrodes attached to an outer end surface of a flange formed at an end of the winding core along a winding axis. A recess is formed on the outer end surface of the flange, and each of the terminal electrodes includes a first rising piece loosely entering the recess, and a mounting piece integrally formed with the first rising piece and adhered to the outer end surface of the flange.
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公开(公告)号：US20210304943A1
公开(公告)日：2021-09-30
申请号：US17209761
申请日：2021-03-23
Applicant: TDK CORPORATION , TDK KOREA CORPORATION
Inventor： Kiyofumi FUJIWARA , Hiroyuki IWATA , Eietsu ABE , Sepung KI , Chihu AN
Abstract: The present invention provides a coil device which includes two coil elements in the same device and achieves an improved wire occupancy. The coil device includes a core including a winding core, and a winding wire part of which a first wire and a second wire are wound in a plurality of layers around the winding core, wherein the winding wire part includes a first part in which the first wire and the second wire of a same turn are wound adjacent to each other on a same layer, and a second part in which the first wire and the second wire of a same turn are wound in different layers without being adjacent to each other.
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