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公开(公告)号:US11621622B2
公开(公告)日:2023-04-04
申请号:US17000705
申请日:2020-08-24
发明人: Masanobu Maeda , Katsutoshi Suzuki
摘要: A vibration generator includes a housing, a first vibrator, and a second vibrator. The first vibrator includes a hollow yoke having a through hole, a magnet disposed within the through hole of the yoke, and a first elastic support member. The second vibrator includes a coil disposed above or below the magnet within the through hole of the yoke, and a second elastic support member to which the coil is fixed and that is disposed to extend from the inside to the outside of the through hole of the yoke and that is fixed to the housing. The first vibrator vibrates at a first natural frequency in a direction connecting both side portions of the yoke. The second vibrator vibrates at a second natural frequency that is different from the first natural frequency, in the direction connecting the both side portions of the yoke.
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公开(公告)号:US20230008952A1
公开(公告)日:2023-01-12
申请号:US17857181
申请日:2022-07-05
发明人: Shinji HATANO , Masao TSUCHIHASHI
摘要: An actuator includes a movable body, a support body provided with a case that houses the movable body and a coil assembly, a first connecting body and a second connecting body to be connected to the movable body and the support body, and a magnetic drive circuit that vibrates the movable body with respect to the support body in an X direction. The coil assembly includes a first plate that overlaps the coil from a Z1 direction, and a second plate that overlaps the coil from a Z2 direction. The first plate includes a notch portion that comes into contact with a short side portion of the coil from an outer peripheral side, and positions the coil by the notch portion.
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公开(公告)号:US11462987B2
公开(公告)日:2022-10-04
申请号:US16706849
申请日:2019-12-09
发明人: Zhiyong Cui , Yun Tang
摘要: An embodiment of the present invention provides a vibration motor. The vibration motor includes a vibrating component movable along a vibration direction; a fixation component including a housing with an accommodation space; an elastic support part suspending the vibrating component in the accommodation space; and a number of limit blocks fixedly connected with the housing. Each of the limit blocks includes a first horizontal part and a second horizontal part. The second horizontal part extends from the first horizontal part towards the housing along the vibration direction. The vibration motor provided by the present invention can effectively solve the problem that the vibration motor loses function because of the collision between the vibrating component and the housing
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公开(公告)号:US20220311320A1
公开(公告)日:2022-09-29
申请号:US17841050
申请日:2022-06-15
发明人: Takeshi KURITA , Keiji FUJIOKA , Kazuhide TAKATA
摘要: A linear vibration motor is provided that includes a housing, a vibrator, and a coil. The vibrator includes a weight portion and a first magnet, and the vibrator is accommodated inside the housing. The weight portion includes a multilayer body in which multiple sheets including metal sheets are laminated in a thickness direction. The multilayer body has a first principal surface and a second principal surface opposite to the first principal surface, and a first accommodation section is formed in the multilayer body so as to open at the first principal surface and at the second principal surface. The first magnet is fixed in the first accommodation section and the coil is fixed to the housing so as to oppose the first magnet. In addition, an electronic device is provided that uses the linear vibration motor. A vibrator and a method of manufacturing the vibrator is also provided.
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公开(公告)号:US20220276363A1
公开(公告)日:2022-09-01
申请号:US17187251
申请日:2021-02-26
发明人: Ross F. JATOU , Danny ELAD , Dan CORCOS
IPC分类号: G01S7/52 , B06B1/04 , G01S15/931
摘要: One illustrative integrated electromagnetic-acoustic sensor includes: a ground plane; a patch antenna above the ground plane to send or receive an electromagnetic (EM) signal having an EM signal frequency; and an array of capacitive micromachined acoustic transducers formed by cavities between the patch antenna and a base electrode to send or receive an acoustic signal having an acoustic signal frequency. One illustrative sensing method includes: driving or sensing a EM signal between a ground plane and a patch antenna; and driving or sensing an acoustic signal between the patch antenna and a base electrode, the base electrode and the patch antenna having an array of capacitive micromachined acoustic transducer cavities therebetween.
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公开(公告)号:US20220259038A1
公开(公告)日:2022-08-18
申请号:US17739959
申请日:2022-05-09
摘要: A method for manufacturing a millimeter scale electromechanical device includes coupling a stainless steel ply to a polymer carrier ply, coating the stainless steel ply in a photo resist material, masking the photoresist material, exposing the photoresist material to cure a portion of the photoresist material, developing the photoresist material to remove uncured photoresist material from the stainless steel ply, chemically etching the stainless steel ply to remove a patterned portion of the stainless steel ply, dissolving the polymer carrier ply to release unwanted chips of the stainless steel ply, and adhering the patterned stainless steel ply to a flexible material ply to form a sub-laminate.
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公开(公告)号:US11407007B2
公开(公告)日:2022-08-09
申请号:US16931496
申请日:2020-07-17
发明人: Qiang Liu
摘要: A mini subwoofer double drive low-frequency vibrator includes a base, an upper cover, a side cover, a flexible printed circuit, a coil, a magnetic body, a counterweight, a spring piece, an internal welding piece, an external welding piece, an insulating tape, and a buffer. The magnetic body and the coil includes a symmetrical double-driving structure at both upper and lower part to mutually offset components in a non-vibration direction of an electromagnetic force and cancel vibration noises. The spring piece adopts a V-shape structure to increase an effective length of a deformation zone and to make a response frequency even lower. Two V-shape springs are distributed symmetrically in a center, making an operation more stable. The buffer is adopted to enhance service life, for fear of a spring damage caused by high circuit voltage.
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公开(公告)号:US20220247293A1
公开(公告)日:2022-08-04
申请号:US17725005
申请日:2022-04-20
申请人: MINEBEA MITSUMI INC.
发明人: Minoru KURODA , Makoto TANAKA
IPC分类号: H02K33/02 , H02K33/00 , H02K5/24 , H02K5/04 , H02K7/065 , B06B1/04 , H02K1/06 , H02K1/34 , H02K5/02
摘要: A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention unit retaining the vibrator, a fixed unit fixed to the chassis, and an arm. The arm connects the fixed unit and the vibrator retention unit, and the arm supports the vibrator retention unit while the vibrator retention unit can be displaced with respect to the fixed unit. The fixed unit, the arm, and the vibrator retention unit are integrally formed using resin.
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公开(公告)号:US20220244281A1
公开(公告)日:2022-08-04
申请号:US17613200
申请日:2019-05-29
发明人: Kento Nishiura , Tadao Yabuhara
摘要: Analysis devices for observing and measuring sample solutions have had a problem in which an irregular sample distribution will lead to irregular measurement results and measurement error. That is why it is preferable for a sample solution to have an average sample distribution. To address the abovementioned problem, this analysis device is made to comprise a sample container holding part and a conveying stage and is characterized by comprising a vibration mechanism for using electrical current and a magnet to vibrate the sample container holding part above a conveying path and mixing a sample solution in a container.
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公开(公告)号:US11385716B1
公开(公告)日:2022-07-12
申请号:US17074431
申请日:2020-10-19
发明人: Gaurav Mukherjee , Kevin Shimasaki , Raymond King , Ali Israr , Cesare Valerio Parise , Daniele Piazza , Majed Jamal Samad , Elia Gatti , Nicholas Roy Corson
摘要: An apparatus for creating and tuning haptic feedback is provided. The apparatus includes (A) a brace with first and second portions, (B) a vibrotactile actuator, coupled to the first portion of the brace, configured to apply haptic stimulations to a user, and (C) a linear actuator, coupled to the second portion of the brace, configured to (i) obtain a signal generated based on information about the user's body at a target location of the user and (ii) adjust a tension of the brace according to the signal. In some embodiments, the apparatus also includes one or more sensors configured to generate the information about the user's body at the target location. Furthermore, a controller may be configured to: (i) generate the signal based on the information about the user's body at the target location generated by the one or more sensors and (ii) provide the signal to the linear actuator.
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