公开(公告)号：US20220364277A1

公开(公告)日：2022-11-17

申请号：US17857406

申请日：2022-07-05

Applicant: Murata Manufacturing Co., Ltd. ,  TEIJIN FRONTIER CO., LTD.

Inventor： Kenichi MORI ,  Daiji TAMAKURA ,  Masayuki TSUJI ,  Kenichiro TAKUMI ,  Ryo TODO ,  Hirokazu HAYASHI

IPC: D02G3/44 ,  D02G3/02 ,  D06M15/507 ,  D06M15/564 ,  D06M11/46

Abstract: A yarn containing a plurality of potential-generating filaments. The yarn is characterized in that the plurality of potential-generating filaments are constructed such that the yarn has a specific permittivity of 4.5 or less. In a specific configuration, the plurality of potential-generating filaments are constructed such that the distance between the potential-generating filaments is about 0 μm to about 10 μm. Also provided is a fabric that contains the yarn.

公开(公告)号：US20230123365A1

公开(公告)日：2023-04-20

申请号：US18068793

申请日：2022-12-20

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Kenichi MORI ,  Toru TOMINAGA

IPC: G01H11/08 ,  G01B7/16

Abstract: A sensor is provided that includes a piezoelectric body; an electric resistor disposed on a first principal surface of the piezoelectric body; a vibration detection electrode disposed on a second principal surface of the piezoelectric body; a resistance voltage dividing circuit that has a first input terminal and a voltage dividing point; and a feedback processing circuit that has a second input terminal. Moreover, the electric resistor is connected to the voltage dividing point and the first input terminal, and the vibration detection electrode is connected to the second input terminal.

公开(公告)号：US20240255282A1

公开(公告)日：2024-08-01

申请号：US18628987

申请日：2024-04-08

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Masamichi ANDO ,  Kenichi MORI

IPC: G01B17/04 ,  G06F1/16

CPC classification number: G01B17/04 ,  G06F1/1616 ,  G06F1/1677

Abstract: An input includes a first electrode and a first deformation portion. An output includes a second electrode and a second deformation portion. A transmission portion enables transmission of an elastic wave from the first deformation portion to the transmission portion and transmission of an elastic wave from the transmission portion to the second deformation portion. In operation, an input signal is input to the first electrode that deforms the first deformation portion to generate an elastic wave. The transmission portion transmits the elastic wave from the first deformation portion to the second deformation portion that is deformed by the elastic wave to generate an output signal to the second electrode. The detection unit detects a deformation amount from the reference state of the transmission portion based on the output signal.

公开(公告)号：US20220307926A1

公开(公告)日：2022-09-29

申请号：US17839744

申请日：2022-06-14

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Kenichi MORI

IPC: G01L1/16 ,  H01L41/047 ,  H01L41/113 ,  H01L41/193 ,  G01B7/16

Abstract: A sensor that includes a first film having a first main surface and a second main surface, the first film generating a charge according to a deformation amount of the first film; a first electrode on the first main surface; a second electrode on the second main surface; and a first fixing member and a second fixing member constructed to fix the first film, the first electrode, and the second electrode to an article. The first film is dimensioned to occupy an area equal to or more than half a peripheral surface of the article. The second electrode is located closer to the article than the first electrode. The first fixing member is separated from the second fixing member in an extending direction of the article.

公开(公告)号：US20240063793A1

公开(公告)日：2024-02-22

申请号：US18487667

申请日：2023-10-16

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Kenichi MORI ,  Masamichi ANDO

IPC: H03K17/96 ,  H10N30/30 ,  H10N30/857 ,  H10N30/00

CPC classification number: H03K17/9643 ,  H10N30/302 ,  H10N30/857 ,  H10N30/10513

Abstract: A detection device includes a panel having opposed main surfaces including an operation surface and a rear surface. A support structure is located on at least one of the main surfaces and prevents warping of the panel while permitting the operation surface to be deformed in response to a pressing operation applied to the operation surface. A sensor for sensing the pressing operation applied to the operation surface is provided on one of the main surfaces at a location where at least a portion of the sensor does not overlap the support structure in plan view.

公开(公告)号：US20240093411A1

公开(公告)日：2024-03-21

申请号：US18513836

申请日：2023-11-20

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Tetsuya YAMANAGA ,  Kenichi MORI ,  Masayuki TSUJI ,  Masayoshi TAKAGI ,  Ryosuke EBINA

IPC: D02G3/44 ,  H10N30/00

CPC classification number: D02G3/441 ,  H10N30/1061 ,  D10B2331/04

Abstract: A fiber with which a further enhanced electric field intensity is obtained when a compressive force is applied across the longitudinal axis of the fiber. The fiber is composed of a potential generating filament having at least one interior angle of less than 120° in a contour shape in a sectional view in a direction perpendicular to a longitudinal axis of the fiber.

公开(公告)号：US20220373327A1

公开(公告)日：2022-11-24

申请号：US17876013

申请日：2022-07-28

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Masamichi ANDO ,  Kenichi MORI

IPC: G01B17/04

Abstract: An input includes a first electrode and a first deformation portion. An output includes a second electrode and a second deformation portion. A transmission portion enables transmission of an elastic wave from the first deformation portion to the transmission portion and transmission of an elastic wave from the transmission portion to the second deformation portion. In operation, an input signal is input to the first electrode that deforms the first deformation portion to generate an elastic wave. The transmission portion transmits the elastic wave from the first deformation portion to the second deformation portion that is deformed by the elastic wave to generate an output signal to the second electrode. The detection unit detects a deformation amount from the reference state of the transmission portion based on the output signal.