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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：US11942740B2
公开(公告)日：2024-03-26
申请号：US17339469
申请日：2021-06-04
申请人： MINEBEA MITSUMI INC.
发明人： Mikio Umehara , Atsushi Omura , Kazuaki Sato
摘要： A motor includes a frame having an outer diameter of 10 millimeters or less and an inner surface. The motor also includes an annular magnet attached to the inner surface of the frame, a bracket provided at the frame, and a columnar brush formed of carbon and having an outer peripheral surface. In addition, the motor includes a commutator contacting the outer peripheral surface of the brush, and an elastic member supporting the brush at the bracket. A part of the elastic member is disposed inside of the columnar brush.
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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：US11031854B2
公开(公告)日：2021-06-08
申请号：US16906260
申请日：2020-06-19
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：US11904359B2
公开(公告)日：2024-02-20
申请号：US18185619
申请日：2023-03-17
申请人： MINEBEA MITSUMI Inc.
发明人： Mikio Umehara
摘要： A vibrator-mounted holder is attached to a casing of a vibration generator which moves a vibrator to generate a vibration when used. The vibrator-mounted holder includes a vibrator, a vibrator retention unit retaining the vibrator, a fixing unit fixed to a casing, and an arm. The vibrator includes a magnet having a plate shape parallel to a horizontal surface and a yoke arranged on the magnet. The arm connects the fixing unit to the vibrator retention unit, and supports the vibrator retention unit in a manner that the vibrator retention unit is displaceable with respect to the fixing unit. The yoke has a projecting portion which is projected downward and fixed to the vibrator retention unit. The arm is connected to a portion, at which the projecting portion is arranged, within the vibrator retention units.
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公开(公告)号：US11642696B2
公开(公告)日：2023-05-09
申请号：US16994812
申请日：2020-08-17
申请人： MINEBEA MITSUMI INC.
发明人： Mikio Umehara
摘要： A vibrator-mounted holder is attached to a casing of a vibration generator which moves a vibrator to generate a vibration when used. The vibrator-mounted holder includes a vibrator, a vibrator retention unit retaining the vibrator, a fixing unit fixed to a casing, and an arm. The vibrator includes a magnet having a plate shape parallel to a horizontal surface and a yoke arranged on the magnet. The arm connects the fixing unit to the vibrator retention unit, and supports the vibrator retention unit in a manner that the vibrator retention unit is displaceable with respect to the fixing unit. The yoke has a projecting portion which is projected downward and fixed to the vibrator retention unit. The arm is connected to a portion, at which the projecting portion is arranged, within the vibrator retention units.
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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：US11063400B2
公开(公告)日：2021-07-13
申请号：US16417053
申请日：2019-05-20
申请人： MINEBEA MITSUMI INC.
发明人： Mikio Umehara , Atsushi Omura , Kazuaki Sato
摘要： A motor including: a frame having an outer diameter of 10 millimeters or less and an inner surface; an annular magnet attached to the inner surface of the frame; a bracket provided at the frame; a columnar brush formed of carbon and having an outer peripheral surface; a commutator contacting the outer peripheral surface of the brush; and an elastic member supporting the brush at the bracket, in which a part of the elastic member is inside the brush.
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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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