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公开(公告)号：US10350637B2
公开(公告)日：2019-07-16
申请号：US15450895
申请日：2017-03-06
Applicant: MINEBEA CO., LTD.
Inventor： Mikio Umehara
Abstract: 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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Patent Agency Ranking
公开(公告)号：US09989437B2
公开(公告)日：2018-06-05
申请号：US14103299
申请日：2013-12-11
Applicant: MINEBEA CO., LTD.
Inventor： Mikio Umehara
Abstract: 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：US10432074B2
公开(公告)日：2019-10-01
申请号：US15285014
申请日：2016-10-04
Applicant: MINEBEA CO., LTD.
Inventor： Mikio Umehara , Yutaka Kamogi
Abstract: A vibrator unit capable of being attached to a housing of a vibration generator includes a vibrator including a magnet and a back yoke arranged on or above the magnet, and an elastic member. The elastic member includes a vibrator attachment part attached to the vibrator, a housing attachment part attached to the housing, and an arm part coupling the vibrator attachment part and the housing attachment part, said arm part displaceably supporting the vibrator attachment part at least in a horizontal direction with respect to the housing attachment part. The back yoke includes a planar part arranged on or above the magnet and a holding part bending the planar part toward the frame from the planar part. The vibrator attachment part is held and embraced by the holding part.
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公开(公告)号：US20150357958A1
公开(公告)日：2015-12-10
申请号：US14730673
申请日：2015-06-04
Applicant: Minebea Co., Ltd.
Inventor： Mikio Umehara , Yutaka Kamogi
IPC: H02P25/02
CPC classification number: H02P25/032
Abstract: A control method for a vibration generator is provided. The vibration generator includes a fixed part around which a coil is wound, a movable part having a magnet, a bridge part movably supporting the movable part, and a power supply unit which applies an alternating current of a predetermined frequency to the coil. The power supply unit starts at the time of startup by the alternating current with a starting frequency which differs from a resonance frequency of the movable part, and the power supply unit changes the frequency of the applied alternating current to the resonance frequency of the movable part when the amount of vibration at the starting frequency reaches a predetermined ratio with respect to a saturation vibration amount of the resonance frequency.
Abstract translation: 提供了一种用于振动发生器的控制方法。 振动发生器包括线圈缠绕的固定部分，具有磁体的可动部分，可移动地支撑可动部分的桥接部分，以及向线圈施加预定频率的交流电的电源单元。 电源单元在启动时以起动频率与可动部的谐振频率不同的开始频率起动，电源单元将施加的交流电流的频率变更为可动部的谐振频率 当起动频率的振动量相对于谐振频率的饱和振动量达到预定比率时。
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公开(公告)号：US10780457B2
公开(公告)日：2020-09-22
申请号：US16418216
申请日：2019-05-21
Applicant: MINEBEA CO., LTD.
Inventor： Mikio Umehara
Abstract: 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：US09525379B2
公开(公告)日：2016-12-20
申请号：US14730673
申请日：2015-06-04
Applicant: Minebea Co., Ltd.
Inventor： Mikio Umehara , Yutaka Kamogi
CPC classification number: H02P25/032
Abstract: A control method for a vibration generator is provided. The vibration generator includes a fixed part around which a coil is wound, a movable part having a magnet, a bridge part movably supporting the movable part, and a power supply unit which applies an alternating current of a predetermined frequency to the coil. The power supply unit starts at the time of startup by the alternating current with a starting frequency which differs from a resonance frequency of the movable part, and the power supply unit changes the frequency of the applied alternating current to the resonance frequency of the movable part when the amount of vibration at the starting frequency reaches a predetermined ratio with respect to a saturation vibration amount of the resonance frequency.
Abstract translation: 提供了一种用于振动发生器的控制方法。 振动发生器包括线圈缠绕的固定部分，具有磁体的可动部分，可移动地支撑可动部分的桥接部分，以及向线圈施加预定频率的交流电的电源单元。 电源单元在启动时以起动频率与可动部的谐振频率不同的开始频率起动，电源单元将施加的交流电流的频率变更为可动部的谐振频率 当起动频率的振动量相对于谐振频率的饱和振动量达到预定比率时。
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