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公开(公告)号：US20190245460A1
公开(公告)日：2019-08-08
申请号：US16269347
申请日：2019-02-06
CPC分类号： H02N2/026 , G02B7/04 , G02B7/08 , G03B13/34 , H02N2/001 , H02N2/004 , H02N2/0055 , H02N2/006 , H02N2/0065
摘要： A vibration wave motor including: a vibrator; a friction member; and a pressurizing member configured to press the vibrator and the friction member into contact with each other. The vibrator and the friction member are relatively moved in a direction orthogonal to the pressurizing direction of the pressurizing member by vibrations generated on the vibrator, the vibrator and the friction member are configured so as to move in parallel with the pressurizing direction with respect to a fixed member, and the vibration wave motor further includes at least one first restricting portion that restricts a movable amount of the friction member in the pressurizing direction and at least one second restricting portion that restricts a movable amount of the vibrator in the pressurizing direction, such that the movable amount of the friction member is smaller than the movable amount of the vibrator in the pressurizing direction.
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公开(公告)号：US20180287515A1
公开(公告)日：2018-10-04
申请号：US15938443
申请日：2018-03-28
发明人： Tomoaki TAKAHASHI
CPC分类号： H02N2/14 , B06B1/0207 , B06B1/0603 , B06B2201/55 , B25J9/12 , B41J2/04581 , B41J2/14201 , G03B21/006 , G03B21/142 , G03B33/12 , G03B2205/0061 , H02N2/004 , H02N2/0055 , H02N2/006 , H02N2/026 , H02N2/06 , H02N2/103 , Y10S901/23
摘要： A piezoelectric drive device includes piezoelectric vibration modules that each include a vibration portion and a transmission unit abutting a driven portion and transmitting longitudinal vibration in an alignment direction of the vibration portion with the driven portion and bending vibration which is a composite of the longitudinal vibration and lateral vibration of the vibration portion intersecting the alignment direction to the driven portion and a controller controlling the modules. The controller controls the modules in a first drive mode wherein the transmission portions of all the modules are driven to perform the bending vibration in a first direction and a second drive mode wherein the transmission portions of some of the modules are driven to perform the bending vibration in the first direction and the transmission portions of other modules are driven to perform the longitudinal or bending vibrations in a second direction opposite the first direction.
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公开(公告)号：US10060806B2
公开(公告)日：2018-08-28
申请号：US15153141
申请日：2016-05-12
发明人： Yung Ting , Sheuan-Perng Lin , Yu-Heng Lin
CPC分类号： G01L1/16 , B23Q17/0966 , G01L1/167 , H02N2/004
摘要： A multi-axis piezoelectric stress-sensing device, a multi-axis piezoelectric stress-sensing device polarization method, and a piezoelectric sensing detection system thereof are disclosed. The piezoelectric sensing detection system is used for a machining tool. The multi-axis piezoelectric stress-sensing device includes a piezoelectric sensing film, a first electrode, a second electrode, a third electrode, and a fourth electrode. The piezoelectric sensing film has four corners. The first electrode, the second electrode, the third electrode and the fourth electrode are located at the four corners of the piezoelectric sensing film, and at least one electrode is used to polarize another electrode according to at least one polarization direction.
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公开(公告)号：US09919418B2
公开(公告)日：2018-03-20
申请号：US14824225
申请日：2015-08-12
发明人： Yasuharu Hashimoto
IPC分类号： H01L41/047 , H01L41/053 , H01L41/09 , B25J9/12 , B25J15/02 , H02N2/00 , H02N2/10
CPC分类号： B25J9/12 , B25J15/0253 , H02N2/004 , H02N2/103 , Y10S901/23 , Y10S901/28 , Y10S901/29 , Y10S901/31
摘要： A piezoelectric driving device includes a vibrating plate, a first piezoelectric vibrating body which is disposed on the first surface of the vibrating plate; a second piezoelectric vibrating body which is disposed on the second surface of the vibrating plate; and a protrusion which is provided on the vibrating plate and comes into contact with a body to be driven, wherein the first piezoelectric vibrating body and the second piezoelectric vibrating body have asymmetry that the first piezoelectric vibrating body and the second piezoelectric vibrating body are asymmetrical to each other with respect to the vibrating plate.
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公开(公告)号：US09871468B2
公开(公告)日：2018-01-16
申请号：US14174758
申请日：2014-02-06
发明人： Nobuyuki Kojima
摘要： A vibration-type driving device according to the present invention includes a plurality of vibrators in which contact portions perform an elliptical motion using a combination of vibrations in different vibration modes; and a driven object having contact regions that come into contact with the contact portions and move relative to the plurality of vibrators, wherein the contact regions for the individual vibrators differ in position so as not to overlap.
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公开(公告)号：US20170279033A1
公开(公告)日：2017-09-28
申请号：US15469969
申请日：2017-03-27
发明人： Kiichi KAJINO , Yutaka ARAKAWA
CPC分类号： H01L41/09 , A61B34/30 , A61B34/70 , A61M5/142 , B25J9/12 , B25J15/02 , F04B43/082 , F04B43/095 , F04B43/1223 , H02N2/004 , H02N2/0075 , H02N2/103
摘要： A piezoelectric actuator includes a first piezoelectric element that outputs a first signal when being driven, a second piezoelectric element that outputs a second signal when being driven, a signal combining part that delays phase of the second signal and outputs a composite signal by combination of the second signal and the first signal, and a drive state determination part that determines respective drive states of the first piezoelectric element and the second piezoelectric element based on the composite signal.
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7.发明授权公开(公告)号：US09757857B2
公开(公告)日：2017-09-12
申请号：US14824350
申请日：2015-08-12
发明人： Osamu Miyazawa
CPC分类号： B25J9/12 , F04B43/082 , H01L41/332 , H02N2/004 , H02N2/103 , Y10S901/23
摘要： A piezoelectric driving device includes: a piezoelectric vibrating body which includes a plurality of piezoelectric elements each formed of a first electrode, a second electrode, and a piezoelectric body positioned between the first electrode and the second electrode, and is disposed at least one surface of the first surface and the second surface of the vibrating plate, wherein the plurality of piezoelectric elements are connected in series.
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公开(公告)号：US20170229634A1
公开(公告)日：2017-08-10
申请号：US15497711
申请日：2017-04-26
发明人： Tomohisa IWAZAKI , Akio KONISHI , Kiichi KAJINO , Koichi KAMIJO , Osamu MIYAZAWA , Yutaka ARAKAWA , Daisuke YAMADA
CPC分类号： H01L41/0475 , B25J9/12 , B25J17/00 , H01L41/042 , H01L41/0472 , H01L41/09 , H01L41/0913 , H02N2/004 , H02N2/0085 , H02N2/103 , H02N2/14 , H02P25/032 , H02P25/16 , H02P25/32 , Y10S901/28
摘要： A piezoelectric driving device includes a vibrating plate, and a piezoelectric vibrating body including a substrate, and piezoelectric elements provided on the substrate. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric body, and the first electrode, the piezoelectric body, and the second electrode are laminated in this order on the substrate. The piezoelectric vibrating body is installed on the vibrating plate so that the piezoelectric element is interposed between the substrate and the vibrating plate. A wiring pattern including a first wiring corresponding to the first electrode and a second wiring corresponding to the second electrode is formed on the vibrating plate, the first electrode and the first wiring are connected to each other through a first laminated conducting portion, and the second electrode and the second wiring are connected to each other through a second laminated conducting portion.
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公开(公告)号：US20170082506A1
公开(公告)日：2017-03-23
申请号：US15153141
申请日：2016-05-12
发明人： YUNG TING , SHEUAN-PERNG LIN , YU-HENG LIN
IPC分类号： G01L1/16
摘要： A multi-axis piezoelectric stress-sensing device, a multi-axis piezoelectric stress-sensing device polarization method, and a piezoelectric sensing detection system thereof are disclosed. The piezoelectric sensing detection system is used for a machining tool. The multi-axis piezoelectric stress-sensing device includes a piezoelectric sensing film, a first electrode, a second electrode, a third electrode, and a fourth electrode. The piezoelectric sensing film has four corners. The first electrode, the second electrode, the third electrode and the fourth electrode are located at the four corners of the piezoelectric sensing film, and at least one electrode is used to polarize another electrode according to at least one polarization direction.
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公开(公告)号：US20160351786A1
公开(公告)日：2016-12-01
申请号：US15110117
申请日：2014-11-17
发明人： Masaki HAMAMOTO
CPC分类号： H01L41/0906 , A61B1/00078 , A61B1/00147 , A61B1/0016 , A61B1/3132 , H02N2/004 , H02N2/0095 , H02N2/02 , H02N2/026
摘要： Provided is a friction drive actuator that is resistant to contamination of, for example, extraneous matter. An ultrasonic actuator according to an aspect of the present invention drives a columnar insertion section and includes a columnar vibrating body (40), whose distal end is pressed against a side surface of the insertion section, and a piezoelectric element (44), an upper electrode (44a), and a lower electrode (44b) that are provided at one side surface of the vibrating body.
摘要翻译： 提供了耐受例如外来物质的污染的摩擦驱动致动器。 根据本发明的一个方面的超声波致动器驱动柱状插入部分，并且包括一个柱形振动体（40），其顶端被压靠在插入部分的侧面上，以及压电元件（44） 电极（44a）和设置在振动体的一个侧面的下电极（44b）。
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