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公开(公告)号：US11901788B2
公开(公告)日：2024-02-13
申请号：US17931163
申请日：2022-09-12
申请人： MINEBEA MITSUMI Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
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公开(公告)号：US10938269B2
公开(公告)日：2021-03-02
申请号：US15693605
申请日：2017-09-01
申请人： Minebea Mitsumi Inc.
发明人： Yutaka Kamogi , Yasuhiro Ikehara
摘要： A motor according to the present disclosure is a motor including a motor body part and a driving circuit part, the motor body part including: a rotor; a stator including a wound coil; a winding terminal electrically connected to the coil and extending toward the driving circuit part; and a frame housing the rotor and the stator, wherein the driving circuit part includes: a case including a first attaching portion and a frame portion with openings on both end sides of the frame portion; a first wiring board including a driving circuit and a power device mounted on the first wiring board, the first wiring board being fixed to the first attaching portion; and a first electric wiring member including a first stress absorbing portion formed into a shape absorbing stress, the first electric wiring member electrically connecting the winding terminal and the first wiring board.
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公开(公告)号：US10396643B2
公开(公告)日：2019-08-27
申请号：US15825228
申请日：2017-11-29
申请人： Minebea Mitsumi Inc.
发明人： Tomohisa Suzuki , Yutaka Kamogi
摘要： A motor includes a rotational shaft, a bearing supporting the rotational shaft, a magnet including plural magnetic poles in a circumferential direction, a rotor core disposed inside the magnet, and a magnetic sensor. The magnet includes a projection portion projecting toward a side of the bearing with respect to the rotor core in a direction of the rotational shaft. The magnetic sensor is positioned between the rotor core and the bearing in the direction of the rotational shaft and is positioned inside an inner peripheral surface of the projection portion.
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公开(公告)号：US11476743B2
公开(公告)日：2022-10-18
申请号：US17315761
申请日：2021-05-10
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
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公开(公告)号：US11831213B2
公开(公告)日：2023-11-28
申请号：US18057428
申请日：2022-11-21
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, an electronic device includes a housing, a contact member attached to the housing, and a vibration generating device. The vibration generating device is fixed to the contact member or the housing. A gap is formed between a surface of the vibration generating device facing the housing and a surface of the housing facing the vibration generating device.
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公开(公告)号：US10727726B2
公开(公告)日：2020-07-28
申请号：US15822465
申请日：2017-11-27
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, an electronic device includes a housing, a contact member attached to the housing, and a vibration generating device. The vibration generating device is fixed to the contact member or the housing. A gap is formed between a surface of the vibration generating device facing the housing and a surface of the housing facing the vibration generating device.
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公开(公告)号：US10715020B2
公开(公告)日：2020-07-14
申请号：US15822359
申请日：2017-11-27
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
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公开(公告)号：US11539278B2
公开(公告)日：2022-12-27
申请号：US17237782
申请日：2021-04-22
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, an electronic device includes a housing, a contact member attached to the housing, and a vibration generating device. The vibration generating device is fixed to the contact member or the housing. A gap is formed between a surface of the vibration generating device facing the housing and a surface of the housing facing the vibration generating device.
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公开(公告)号：US11043887B2
公开(公告)日：2021-06-22
申请号：US16898749
申请日：2020-06-11
申请人： Minebea Mitsumi Inc.
发明人： Mikio Umehara , Yutaka Kamogi
摘要： In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
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公开(公告)号：US10236749B2
公开(公告)日：2019-03-19
申请号：US15331202
申请日：2016-10-21
申请人： MINEBEA MITSUMI INC.
发明人： Yutaka Kamogi , Yasuhiro Ikehara
摘要： A motor comprises a motor main body including a rotor and a stator around which a coil is wound, a drive circuit part including a circuit board to which a drive circuit including a power element is attached on mainly one face, a heat sink arranged on another face of the circuit board and to radiate heat of the drive circuit part, and a winding terminal to which at one side of the winding terminal an end portion of the coil of the motor main body is electrically connected. Another side of the winding terminal is partially electrically connected to the power element attached to the circuit board, and the winding terminal conducts heat generated by the power element from the one face to the other face of the circuit board.
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