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公开(公告)号:US20240385061A1
公开(公告)日:2024-11-21
申请号:US18790428
申请日:2024-07-31
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hiroaki KITADA , Hidekazu KANO
Abstract: An electronic device that includes: an operation panel having an upper main surface and a lower main surface; a buffer member that has an upper main surface and a lower main surface, and is fixed to the lower main surface of the operation panel; a plate-shaped member that has an upper main surface and a lower main surface, and is fixed to the lower main surface of the buffer member; and a sensor that is fixed to the lower main surface of the plate-shaped member and detects deformation of the operation panel. A value of a product of a Young's modulus of the plate-shaped member and a cube of a thickness of the plate-shaped member is 1.6×10−3 N·m to 1.6 N·m.
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公开(公告)号:US20220413648A1
公开(公告)日:2022-12-29
申请号:US17929838
申请日:2022-09-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Yuuki TACHIBANA , Hiroaki KITADA
IPC: G06F3/041
Abstract: An operation detection sensor is provided and an electronic apparatus is provided that detect an operation on an operation target regardless of a waveform state of an output voltage of a sensor. The operation detection sensor includes a piezoelectric element, a voltage detection circuit that detects a voltage generated in the piezoelectric element, and a calculation unit that obtains a reference voltage by averaging detection voltages of the voltage detection circuit, and detects an operation on an operation target when a state in which a voltage difference between the reference voltage and the detection voltage is a predetermined value or more continues for a predetermined time or more.
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公开(公告)号:US20160034089A1
公开(公告)日:2016-02-04
申请号:US14876418
申请日:2015-10-06
Applicant: MURATA MANUFACTURING CO., LTD.
Inventor: Hidekazu KANO , Hiroaki KITADA
IPC: G06F3/041
CPC classification number: G06F3/0414 , G06F3/0416 , G06F3/044 , G06F2203/04104 , G06F2203/04105
Abstract: A touch input device that includes an operation input unit, a control unit, a memory unit and a display unit. The operation input unit includes a pressing sensor and a touch sensor. When obtaining a detected operation position (x, y) based on an operation detection signal from the touch sensor, the control unit compares a signal level DSp of a press detection signal from the pressing sensor and a first threshold THSp. When determining that the signal level DSp is larger than the first threshold THSp, the control unit reads the detected operation position (x, y) obtained immediately before the determination, and fixes the detected operation position (x, y). The control unit determines operation input contents by using the fixed detected operation position (x, y) and a pressing amount based on the signal level DSp obtained at each sampling timing.
Abstract translation: 一种触摸输入装置,包括操作输入单元,控制单元,存储单元和显示单元。 操作输入单元包括按压传感器和触摸传感器。 当基于来自触摸传感器的操作检测信号获得检测到的操作位置(x,y)时,控制单元将来自按压传感器的按压检测信号的信号电平DSp与第一阈值THSp进行比较。 当确定信号电平DSp大于第一阈值THSp时,控制单元读取在确定之前获得的检测到的操作位置(x,y),并固定检测到的操作位置(x,y)。 控制单元通过使用固定的检测操作位置(x,y)和基于在每个采样定时获得的信号电平DSp的按压量来确定操作输入内容。
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公开(公告)号:US20220334677A1
公开(公告)日:2022-10-20
申请号:US17663556
申请日:2022-05-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hidekazu KANO , Hiroaki KITADA
Abstract: An electronic device is provided in which a capacitance of a capacitor that is formed between one or more reference second touch sensor electrodes and at least one first touch sensor electrodes is defined as a first reference capacitance with the capacitor formed when the touch sensor is folded along a folding line. Moreover, a capacitance of a capacitor formed between a left second touch sensor electrode and at least one of the plurality of first touch sensor electrodes is defined as a left capacitance. Furthermore, a capacitance of a capacitor formed between a right second touch sensor electrode and at least one of the plurality of first touch sensor electrodes is defined as a right capacitance. Using these capacitances, a determining unit of the electronic device can determine that a touch sensor is folded if both the left and the right capacitances are greater than the first reference capacitance.
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公开(公告)号:US20170269717A1
公开(公告)日:2017-09-21
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 , G06F3/0354
CPC classification number: G06F3/0386 , G06F3/033 , G06F3/03542 , G06F3/03545
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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公开(公告)号:US20160026299A1
公开(公告)日:2016-01-28
申请号:US14876391
申请日:2015-10-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hiroaki KITADA , Takafumi INOUE , Hidekazu KANO
CPC classification number: G06F3/044 , G06F3/016 , G06F3/0412 , G06F3/0414 , G06F2203/04103 , G06F2203/04105
Abstract: A touch input device that includes a touch sensor and a control unit. The touch sensor includes a base material, a piezoelectric film, a plurality of first detecting conductors and a plurality of second detecting conductors. The base material is a flat plate. The piezoelectric film is made of uniaxially stretched PLLA, and is arranged on one principal surface of the base material. The first detecting conductors are arranged on a surface of the piezoelectric film opposite to the base material. The plurality of second detecting conductors are arranged on a surface opposite to the surface of the base material which abuts on the piezoelectric film. The control unit detects an operation position and a press by using detection signals outputted from the first detecting conductors and the second detecting conductors.
Abstract translation: 一种触摸输入装置,包括触摸传感器和控制单元。 触摸传感器包括基底材料,压电薄膜,多个第一检测导体和多个第二检测导体。 基材是平板。 压电膜由单轴拉伸的PLLA制成,并且布置在基材的一个主表面上。 第一检测导体布置在与基材相对的压电膜的表面上。 多个第二检测导体配置在与抵接在压电膜上的基材的表面相反的表面上。 控制单元通过使用从第一检测导体和第二检测导体输出的检测信号来检测操作位置和按压。
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公开(公告)号:US20240385710A1
公开(公告)日:2024-11-21
申请号:US18785382
申请日:2024-07-26
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hiroaki KITADA
IPC: G06F3/041
Abstract: A sensor that includes: a piezoelectric film including an upper principal surface and a lower principal surface aligned in an up-down direction; a lower electrode on the lower principal surface of the piezoelectric film; an electrode member including an upper electrode; and a bonding member that fixes the electrode member to the upper principal surface of the piezoelectric film. A Young's modulus of the bonding member is 0 MPa to 10 MPa.
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公开(公告)号:US20240381543A1
公开(公告)日:2024-11-14
申请号:US18782663
申请日:2024-07-24
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hiroaki KITADA , Hidekazu KANO
Abstract: An electronic device that includes: an operation panel having a first upper main surface and a first lower main surface that are arranged in a vertical direction such that a part of a body of a user or an operation member is capable of contacting the first upper main surface; a sensor fixed to the first lower main surface and constructed to detect deformation of the operation panel; and an adhesive member fixing the sensor to the first lower main surface. The adhesive member has a Young's modulus of 0.9 MPa to 10 MPa.
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公开(公告)号:US20230116596A1
公开(公告)日:2023-04-13
申请号:US18047390
申请日:2022-10-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hiroaki KITADA
Abstract: An electronic device is provided that includes a first casing and a second casing, and a distortion sensor attached to an inner wall of the casing. One side of the first casing is opened by a first opening, one side of the second casing is opened by a second opening, the casing is formed by fixing the first casing to the second casing to face each other. Moreover, the first and second casings are fixed by two or more fixing portions, the distortion sensor has a strip shape having first and second ends in the longitudinal direction, and the distortion sensor is attached to an inner wall of the second casing such that the longitudinal direction is a direction along an edge of the second opening, the first end is relatively close to the fixing portion, and the second end is far from the fixing portion.
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公开(公告)号:US20220344572A1
公开(公告)日:2022-10-27
申请号:US17864019
申请日:2022-07-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Shingo HARADA , Hidekazu KANO , Mei WATANABE , Hiroaki KITADA
IPC: H01L41/113 , H01L41/25 , H01L41/312 , H01L41/047 , H01L41/083
Abstract: A deformation detection sensor is provided that includes a detection electrode, a first ground electrode, a piezoelectric film sandwiched between the detection electrode and the first ground electrode, a substrate on which the detection electrode and a second ground electrode are formed, a wiring connected to the detection electrode, and a joint member that joins the wiring and the detection electrode.
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