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    VIBRATION GENERATING DEVICE
    81.
    发明公开
    VIBRATION GENERATING DEVICE 审中-公开

    公开(公告)号：US20230275498A1

    公开(公告)日：2023-08-31

    申请号：US18314282

    申请日：2023-05-09

    Applicant: ALPS ALPINE CO., LTD.

    Inventor： Yuki IKEZOE ,  Takenori TAKAHASHI ,  Kazunari TAKAHASHI

    IPC: H02K33/18

    CPC classification number: H02K33/18

    Abstract: A vibration generating device includes a coil and a magnetic flux source. The magnetic flux source includes a left-hand magnet, a first middle magnet, a second middle magnet, and a right-hand magnet. The coil includes a left-hand coil and a right-hand coil. The left-hand coil and the right-hand coil each include a left-hand wire bundle and a right-hand wire bundle. Magnetic fluxes from the middle magnet passing through, in an up-and-down direction, a space between the right-hand wire bundle of the left-hand coil and the first middle magnet are less than magnetic fluxes from the left-hand magnet that pass through, in the up-and-down direction, a space between the left-hand wire bundle of the left-hand coil and the left-hand magnet.

    SPEAKER
    82.
    发明公开
    SPEAKER 审中-公开

    公开(公告)号：US20230269540A1

    公开(公告)日：2023-08-24

    申请号：US18107756

    申请日：2023-02-09

    Applicant: ALPS ALPINE CO., LTD.

    Inventor： Hiroki Toita ,  Yusuke Yoshida

    IPC: H04R9/04 ,  H04R7/12 ,  H04R9/06 ,  H04R9/02

    CPC classification number: H04R9/046 ,  H04R7/12 ,  H04R9/06 ,  H04R9/025

    Abstract: A speaker includes a diaphragm having a perfectly circular hole in which a bobbin is attached and an oval or elliptical outer peripheral end. The diaphragm includes a perfectly circular cross-sectional area in the range of a predetermined height above a base having the perfectly circular hole. The diaphragm further includes an intermediate area whose outer surface has a small curvature radius above the perfectly circular cross-sectional area and an expanded area that is oval in cross section above the intermediate area.

    CAPACITANCE DETECTION DEVICE
    84.
    发明公开
    CAPACITANCE DETECTION DEVICE 审中-公开

    公开(公告)号：US20230221150A1

    公开(公告)日：2023-07-13

    申请号：US18187547

    申请日：2023-03-21

    Applicant: Alps Alpine Co., Ltd.

    Inventor： Atsushi MATSUDA

    IPC: G01D5/24

    CPC classification number: G01D5/24

    Abstract: A capacitance detection device for detecting a capacitance between a detection electrode and an object in proximity to the detection electrode includes the detection electrode configured to detect a capacitance between the detection electrode and the object, an active shield electrode disposed in proximity to the detection electrode, a voltage output circuit for outputting an alternating voltage to be supplied to the active shield electrode, a first adjustment circuit for adjusting an amplitude of an alternating voltage output from the voltage output circuit, and a first operational amplifier for amplifying and outputting a voltage difference between an inverting input terminal thereof connected to one end of the detection electrode and a non-inverting input terminal thereof to which an alternating voltage adjusted by the first adjustment circuit is applied. The detection electrode has, between one end and the other end thereof, a resistance value from 5 kΩ to 270 kΩ.

    Display screen with graphical user interface
    85.
    外观设计
    Display screen with graphical user interface 有权

    公开(公告)号：USD991956S1

    公开(公告)日：2023-07-11

    申请号：US29812841

    申请日：2021-10-25

    Applicant: ALPS ALPINE CO., LTD.

    Designer： Hideki Endo ,  Hiroshi Fujimoto

    Abstract: The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
    FIG. 1 is a front view of a display screen with graphical user interface, showing our design;
    FIG. 2 is a second image thereof; and,
    FIG. 3 is a third image thereof.
    The appearance of the user interface transitions sequentially between the images shown in FIGS. 1-3. The process or period in which one image transitions to another forms no part of the claimed design.
    The broken lines showing portions of the article form no part of the claimed design.

    Acoustic device
    86.
    发明授权
    Acoustic device 有权

    公开(公告)号：US11700479B2

    公开(公告)日：2023-07-11

    申请号：US17560537

    申请日：2021-12-23

    Applicant: Alps Alpine Co., LTD

    Inventor： Ryo Ito

    IPC: H04R1/28 ,  H04R1/02 ,  H04R7/12

    CPC classification number: H04R1/2873 ,  H04R1/026 ,  H04R7/12

    Abstract: An acoustic device includes a main body case, a vibrating body provided inside of the main body case, a magnetic circuit unit disposed in front of the vibrating body in a sound emitting direction of the vibrating body, a coil located inside of a magnetic gap of the magnetic circuit unit, a bobbin configured to support the coil and vibrate along with the vibrating body, and a damper configured to connect the main body case to the bobbin. The damper is disposed in the rear of the vibrating body, and a damper regulation unit is provided in the rear of the damper at a position facing the damper.

    Exchange-coupled film and magnetoresistive element and magnetic sensing device including the same
    87.
    发明授权
    Exchange-coupled film and magnetoresistive element and magnetic sensing device including the same 有权

    公开(公告)号：US11693068B2

    公开(公告)日：2023-07-04

    申请号：US17357216

    申请日：2021-06-24

    Applicant: Alps Alpine Co., Ltd.

    Inventor： Masamichi Saito ,  Fumihito Koike

    IPC: G01R33/09 ,  H01F10/32

    CPC classification number: G01R33/093 ,  H01F10/3268

    Abstract: An exchange-coupled film includes a antiferromagnetic layer and a pinned magnetic layer including a ferromagnetic layer stacked together, the antiferromagnetic layer having a structure including an IrMn layer, a first PtMn layer, a PtCr layer, and a second PtMn layer stacked in that order, the IrMn layer being in contact with the pinned magnetic layer. The second PtMn layer preferably has a thickness of more than 0 Å and less than 60 Å, in some cases. The PtCr layer preferably has a thickness of 100 Å or more, in some cases. The antiferromagnetic layer preferably has a total thickness of 200 Å or less, in some cases.

    MAGNETIC CORE AND MAGNETIC COMPONENT
    88.
    发明公开
    MAGNETIC CORE AND MAGNETIC COMPONENT 审中-公开

    公开(公告)号：US20230208219A1

    公开(公告)日：2023-06-29

    申请号：US18172550

    申请日：2023-02-22

    Applicant: Alps Alpine Co, Ltd.

    Inventor： Munemitsu ABE ,  Akio HANADA ,  Shokan YAMASHITA ,  Tatsuya OBA

    IPC: H02K1/22 ,  H02K1/12 ,  H02K15/02

    CPC classification number: H02K1/22 ,  H02K1/12 ,  H02K15/02

    Abstract: In a magnetic core including a core assembly formed of multiple arranged thin strip blocks, each of the thin strip blocks has a structure that multiple nanocrystalline thin strips having a bcc-Fe phase as a main phase are laminated one above another, and an iron loss in the nanocrystalline thin strip positioned at a center of the thin strip block in a thickness direction thereof is lower than an iron loss in the nanocrystalline thin strip positioned in a surface layer of the thin strip block. The nanocrystalline thin strip may be a heat-treated product of an amorphous thin strip made of an amorphous alloy material, and the thin strip block may include a fixedly joined portion in which the nanocrystalline thin strips adjacent to each other in a lamination direction are fixedly joined together.

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