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    Pressing Force Sensor
    21.
    发明申请
    Pressing Force Sensor 有权
    压力传感器

    公开(公告)号：US20150192482A1

    公开(公告)日：2015-07-09

    申请号：US14596381

    申请日：2015-01-14

    Applicant: MURATA MANUFACTURING CO., LTD.

    Inventor： Keisuke Araki ,  Hideki Kawamura ,  Jun Endo

    IPC: G01L1/22 ,  G01L1/20 ,  G01L1/16

    CPC classification number: G01L1/16 ,  G01L1/205 ,  G01L1/225 ,  G01L1/2287 ,  G01L5/0038

    Abstract: A pressing force sensor that includes a sensor element configured with a piezoelectric film, a lead terminal for connection to an external circuit, a wiring conductor which connects pressing force detection electrodes and the lead terminal, and a flexible printed circuit board which withstands solder reflow temperatures. The flexible printed circuit board has the pressing force detection electrodes formed on a first principal surface thereof, and is folded via a folding line while the first principal surface faces inward. The sensor element is deflected by a pressing force applied to a second principal surface which faces outward and is in a first area of the flexible printed circuit board which is on one side with respect to the folding line, and a signal corresponding to the pressing force is thus taken out from the pressing force detection electrodes.

    Abstract translation: 一种按压力传感器，包括：构造有压电膜的传感器元件，与外部电路连接的引线端子，连接按压力检测电极的引线导体和引线端子;以及耐受回流焊温度的柔性印刷电路板 。 柔性印刷电路板具有形成在其第一主表面上的按压力检测电极，并且通过折叠线折叠，同时第一主表面向内。 传感器元件通过施加到面向外的第二主表面的压力而偏转，并且位于柔性印刷电路板的相对于折叠线的一侧的第一区域中，并且与按压力相对应的信号 因此从按压力检测电极中取出。

    Vibration structure
    23.
    发明授权
    Vibration structure 有权

    公开(公告)号：US11600764B2

    公开(公告)日：2023-03-07

    申请号：US16923331

    申请日：2020-07-08

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Toru Tominaga ,  Junichi Hashimoto ,  Jun Endo ,  Shozo Otera

    IPC: H01L41/047 ,  H01L41/08

    Abstract: A vibration structure that includes a film having a first electrode on a first main surface thereof, the first electrode defining a first connection region on the first main surface where the first electrode is not present, and the film is constructed to be deformed in a plane direction when a voltage is applied thereto; a frame-shaped member; a vibration portion surrounded by the frame-shaped member; a first connection member that connects the first main surface of the film to the frame-shaped member at the first connection region; a second connection member that connects the film to the vibration portion; and an extended electrode that is connected to the first electrode.

    Vibration structure and electronic device
    24.
    发明授权
    Vibration structure and electronic device 有权

    公开(公告)号：US11571713B2

    公开(公告)日：2023-02-07

    申请号：US16857605

    申请日：2020-04-24

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Junichi Hashimoto ,  Shozo Otera ,  Jun Endo ,  Toru Tominaga

    IPC: B06B1/06

    Abstract: A vibration structure that includes a film constructed to deform in a plane direction as voltage is applied thereto, a frame-shaped member, a vibration portion surrounded by the frame-shaped member in a plan view of the vibration structure, a support portion connecting the vibration portion and the frame-shaped member and supporting the vibration portion within the frame-shaped member, a first connection member that connects the film and the frame-shaped member, and a second connection member that connects the film to the vibration portion such that the vibration portion vibrates in the plane direction when the film is deformed in the plane direction. The support portion is disposed at a position closer to a center of gravity of the vibration portion than an end portion of the vibration portion when viewed in the plan view.

    Vibration device having cushioning material with reduced thickness
    25.
    发明授权
    Vibration device having cushioning material with reduced thickness 有权

    公开(公告)号：US11323045B2

    公开(公告)日：2022-05-03

    申请号：US15931846

    申请日：2020-05-14

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Jun Endo ,  Junichi Hashimoto ,  Shozo Otera ,  Toru Tominaga

    IPC: H02N2/00 ,  B06B1/06

    Abstract: A vibration device that includes a flat plate that has a first main surface and a second main surface; a vibrator that is configured to vibrate along a first direction parallel to the first main surface; a connecting member that connects the vibrator to the first main surface of the flat plate; a support member having a cavity or a recess in a portion thereof facing the vibrator; and a cushioning material connecting the first main surface of the flat plate to the support member, the cushioning material being disposed so as to not overlap with the vibrator in a plan view of the vibration device. A combined length of the vibrator and the connecting member in a second direction perpendicular to the first main surface of the flat plate is larger than a length of the cushioning material in the second direction.

    Piezoelectric device and electronic device
    27.
    发明授权
    Piezoelectric device and electronic device 有权

    公开(公告)号：US10756252B2

    公开(公告)日：2020-08-25

    申请号：US15695406

    申请日：2017-09-05

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Takashi Kihara ,  Yoshihiro Yamaguchi ,  Jun Endo

    IPC: H01L41/113 ,  H01L41/053 ,  G06F3/0354 ,  G06F3/03 ,  H01L41/047

    Abstract: An electronic device that includes a housing and a piezoelectric sensor. The piezoelectric sensor is disposed in contact with an inner wall surface of the housing while in a bent state. The piezoelectric sensor includes a piezoelectric film, a coverlay, a first electrode, a second electrode, a third electrode, and a substrate having flexibility. The first electrode is disposed on a surface of the substrate. The first electrode includes a wide part and a narrow part. The coverlay covers a boundary between the wide part and the narrow part. The piezoelectric film covers a boundary between a part of the first electrode which is covered with the coverlay and a part of the first electrode which is not covered with the coverlay.

    Pointer
    29.
    发明授权
    Pointer 有权

    公开(公告)号：US10401986B2

    公开(公告)日：2019-09-03

    申请号：US15452237

    申请日：2017-03-07

    Applicant: SEIKO EPSON CORPORATION ,  MURATA MANUFACTURING CO., LTD.

    Inventor： Daigo Yamano ,  Shingo Wakimoto ,  Takashi Kihara ,  Masamichi Ando ,  Hiroaki Kitada ,  Jun Endo ,  Yoshihiro Yamaguchi

    IPC: G06F3/038 ,  G06F3/033 ,  G06F3/0354

    Abstract: A pointer includes: a pointer tip having a tip configured to point a position; a transmitter configured to emit a signal from the pointer tip; and a main body connected to the pointer tip. The main body includes: an exterior housing forming an exterior; a detector configured to detect displacement of the exterior housing and output a detection signal; and a controller configured to change an operation state of the pointer in accordance with the detection signal. The detector includes: a detection device provided on an inner surface of the exterior housing and configured to detect the displacement; and a signal outputter configured to output the detection signal in the case where the detection device detects the displacement.

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