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公开(公告)号：EP4401425A1
公开(公告)日：2024-07-17
申请号：EP22952310.5
申请日：2022-07-27
发明人： CUI, Chaojie , ZHU, Guangyuan
CPC分类号： B06B1/0603 , H10N30/2041 , G10K9/121 , H04R17/00 , H10N30/2042 , H04R17/005
摘要： The present disclosure provides an acoustic output apparatus, comprising: a vibration element, the vibration element including a beam structure extending in a length direction, and the beam structure including: a piezoelectric layer configured to deform in response to an electrical signal, the deformation driving the vibration element to vibrate; and a mass element, the mass element being connected to a first position of the beam structure, the vibration of the vibration element driving the mass element to vibrate in a direction perpendicular to the length direction, wherein a ratio between a distance from the first position to one end of the beam structure and a length of the beam structure is in a range from 0.3 to 0.95 along the length direction of the beam structure.
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公开(公告)号：EP3236292A1
公开(公告)日：2017-10-25
申请号：EP17164563.3
申请日：2017-04-03
申请人： PGS Geophysical AS
CPC分类号： G01V1/159 , G01V1/005 , G01V1/135 , G01V1/145 , G01V1/155 , G01V1/3808 , G01V2210/1293 , G10K9/121
摘要： Disclosed are devices and methods for marine geophysical surveying. An example device may comprise a shell (46), a base plate (28), wherein the base plate (28) is coupled to the shell (46), a driver (31) disposed within the shell (46), an inner spring element (36) disposed within the shell (46), wherein the inner spring element (36) is coupled to the driver (31), an outer spring element (34) disposed within the shell (46) and a back mass (38) disposed on the outer spring element (34), and spring element junctions (40), wherein outer ends of the inner spring element (36) and outer ends of the outer spring element (34) are coupled to the spring element junctions (40).
摘要翻译： 公开了用于海洋地球物理测量的装置和方法。 示例性装置可包括壳体（46），底板（28），其中底板（28）联接到壳体（46），设置在壳体（46）内的驱动器（31），内弹簧 （36），其中所述内弹簧元件（36）联接到所述驱动器（31）;外弹簧元件（34），其布置在所述外壳（46）内;以及后块（38），其布置在所述壳体 设置在外弹簧元件34和弹簧元件接头40上，其中内弹簧元件36的外端和外弹簧元件34的外端连接到弹簧元件接头40， 。
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3.发明公开ACTIONNEUR PIEZO-ELECTRIQUE ET PROCEDE DE FABRICATION ASSOCIE 审中-公开ZEGEZELEKTRISCHER AKTUATOR UNDZUGEHÖRIGESHERSTELLUNGSVERFAHREN
公开(公告)号：EP2936575A1
公开(公告)日：2015-10-28
申请号：EP13821847.4
申请日：2013-12-17
申请人： DAV
发明人： VANHELLE, Stéphane , AUBRY, Anthony
IPC分类号： H01L41/04 , B06B1/06 , G06F3/01 , H01L41/047 , H01L41/053 , H01L41/09 , H01L41/22 , H01L41/29
CPC分类号： B06B1/06 , G06F3/016 , G10K9/121 , H01L41/0475 , H01L41/0536 , H01L41/25 , H02N2/043
摘要： The present invention relates to a piezoelectric actuator (1) comprising: a piezoactive element (3) intended to produce vibrations; and an oblong metal structure (5) having a large axis (7) and a small axis (9) extending perpendicularly one relative to the other and encircling the piezoactive element (3) that is arranged along the large axis (7) of the metal structure (5), said metal structure (5) being configured to prestress the piezoactive element (3) and to amplify, along the small axis (9) of the metal structure (5), the vibrations produced by the piezoactive element (3), wherein the oblong metal structure (5) is obtained by bending at least one precut metal sheet (11).
摘要翻译： 本发明涉及一种压电致动器（1），包括：用于产生振动的压电元件（3）; 以及具有大轴（7）和长轴（9）的长方形金属结构（5），所述小轴（9）相对于另一个垂直地延伸并包围沿着金属的大轴线（7）布置的压电元件（3） 结构（5），所述金属结构（5）构造成预压所述压电元件（3）并且沿所述金属结构（5）的小轴线（9）放大由所述压电元件（3）产生的振动， ，其中所述长方形金属结构（5）通过弯曲至少一个预切割金属板（11）而获得。
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公开(公告)号：EP2698538A2
公开(公告)日：2014-02-19
申请号：EP13179970.2
申请日：2013-08-09
CPC分类号： H04R1/08 , B05B17/0653 , G10K9/121 , G10K11/178 , G10K2210/3212 , H01L41/042 , H01L41/0926 , H01L41/094 , H01L2924/0002 , H04R1/403 , H04R17/00 , H05K7/20172 , Y10T29/49169 , Y10T29/494 , H01L2924/00
摘要： A synthetic jet assembly (10) includes a synthetic jet (12) having a cavity (20) and an opening (30) formed therein. The synthetic jet assembly also includes an actuator element (34,36) coupled to a flexible surface (24,26) of the body to selectively cause displacement of the second surface, and a control unit (42) electrically coupled to the actuator element. The control unit is configured to transmit a multi-frequency drive signal (56) to the actuator element, the multi-frequency drive signal comprising a cooling frequency component (58) and an acoustic frequency component (60) superimposed on the cooling frequency component. The cooling frequency component causes a cooling jet to eject from the opening of the body. The acoustic frequency component produces a desired audible output.
摘要翻译： 合成射流组件（10）包括具有空腔（20）和形成在其中的开口（30）的合成射流（12）。 合成射流组件还包括联接到主体的柔性表面（24,26）以选择性地引起第二表面的位移的致动器元件（34,36），以及电耦合到致动器元件的控制单元（42）。 控制单元被配置为向致动器元件传输多频驱动信号（56），该多频驱动信号包括叠加在冷却频率分量上的冷却频率分量（58）和声频分量（60）。 冷却频率成分使冷却射流从身体的开口喷出。 声频分量产生期望的可听输出。
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公开(公告)号：EP2480346B1
公开(公告)日：2013-08-07
申请号：EP09744932.6
申请日：2009-09-22
发明人： BUSCH, Rainer
IPC分类号： G10K9/12
CPC分类号： G10K9/121
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6.发明公开ULTRASONIC PROBE AND ULTRASONIC IMAGING APPARATUS 审中-公开ULTRASCHALLSONDE UND ULTRASCHALLBILDGEBUNGSVORRICHTUNG
公开(公告)号：EP2424273A1
公开(公告)日：2012-02-29
申请号：EP10767039.0
申请日：2010-04-19
发明人： TANAKA Hiroki , AZUMA Takashi
CPC分类号： G10K9/121 , A61B8/4281 , A61B8/485 , B06B1/0292
摘要： Artifacts due to lateral wave that occurs in a substrate of a Capacitive Micro-machined Ultrasonic Transducer is reduced. The substrate thickness of the ultrasonic transducer is set in an optimum range to efficiently radiate the energy of lateral wave in the sensitive band 91 of the ultrasonic transducer to the outside so that the lateral wave is attenuated thereby reducing the artifacts in ultrasonic imaging.
摘要翻译： 由于在电容式微加工超声波传感器的基板中发生的横向波而造成的人造物减少。 将超声波换能器的基板厚度设定在最佳范围内，以有效地将超声换能器的敏感带91中的横波的能量辐射到外部，使得横向波被衰减，从而减少超声波成像中的伪影。
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公开(公告)号：EP2179800B1
公开(公告)日：2011-11-16
申请号：EP10153062.4
申请日：2008-05-21
CPC分类号： H02N2/001 , B23K11/28 , B23K11/314 , B23K11/36 , B23K37/0252 , G06F3/016 , G10K9/121 , Y10T16/48 , Y10T16/484
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公开(公告)号：EP0905676B1
公开(公告)日：2004-11-17
申请号：EP98117957.5
申请日：1998-09-22
发明人： Arens, Egidius
CPC分类号： G01V1/145 , B06B1/0655 , G10K9/121
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公开(公告)号：EP0905676A3
公开(公告)日：2001-09-12
申请号：EP98117957.5
申请日：1998-09-22
发明人： Arens, Egidius
CPC分类号： G01V1/145 , B06B1/0655 , G10K9/121
摘要： Eine Sendeantenne für eine Sonaranlage zum Nachschleppen von einem Wasserfahrzeug befindet sich in einem Schleppkörper. Von der Sendeantenne wird impulsförmig Schall abgestrahlt und reflektierte Anteile von einer Schleppantenne empfangen. Zur Reduzierung von Strömungswiderstand, Gewicht und Platzbedarf für die Sendeantenne sind mehrere zylindrische Sendewandler in einem Schlauch hintereinander in ihrer Höhe in Längsrichtung des Schlauchs fluchtend aufgereiht und weisen einen Durchmesser auf, der kleiner als die Wellenlänge des abzustrahlenden Schalls ist und eine Höhe, die größer als sein Durchmesser ist. Als akustisch aktives Element enthält der Sendewandler einen Hohlzylinder (11) aus Piezokeramik und ist in Richtung seiner Höhe durch beidseitige Abdeckungen (12,13) aus Metall mechanisch vorgespannt. Der Hohlzylinder (11) ist von einer konvexen Außenschalung (14) mit einer nach außen gewölbten Wandung und von einer konkaven Innenschalung (15) mit einer in den Innenraum des Hohlzylinders (11) gewölbten Wandung umgeben, die zusammen mit den Abdeckungen einen geschlossene, den Hohlzylinder (11) in radialer Richtung mit Abstand umgebenen Hohlring aus Metall bilden. Die halbe Differenz aus äußerem und innerem Durchmesser des Hohlrings ist wesentlich kleiner als die Höhe des Hohlzylinders. Dieser Aufbau bewirkt eine Bewegungstransformation der Schwingungen des Hohlzylinders. Dieser Sendewandler ist in einer Sonaranlage vorteilhaft einsetzbar, bei der niederfrequente Schallwellen über einen breiten Frequenzbereich abgestrahlt werden und die als Empfangsantenne eine Schleppantenne aufweist.
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公开(公告)号：EP0896675A1
公开(公告)日：1999-02-17
申请号：EP97906349.0
申请日：1997-03-05
申请人： Unaco Systems Ab
发明人： TENGHAM, Rune
摘要： PCT No. PCT/NO97/00064 Sec. 371 Date Oct. 8, 1998 Sec. 102(e) Date Oct. 8, 1998 PCT Filed Mar. 5, 1997 PCT Pub. No. WO97/41454 PCT Pub. Date Nov. 6, 1997There is provided an acoustic source especially for use in seismic studies at sea. The acoustic source has a longitudinal axis and sound emitting surfaces adapted to be put into sound emitting movements towards and away from each other by use of a drive unit. The sound emitting surfaces comprise two curved plate members having upper and lower ends essentially symmetrically positioned in relation to the longitudinal axis of the acoustic source, and forming a convex cross section with their respective upper and lower edges converging towards each other. The upper and lower edges of the sound emitting surfaces, respectively, are connected to each other with two corresponding side elements, the side elements each being connected to at least one hinge stretching along at least a part of the length of the source. The acoustic source further comprises a rigid frame for supporting the drive unit and comprising at least two rigid slide rods slidingly attached to the side elements with slide bearings for permitting relative axial movement of the slide rods with respect to the side elements. Hinges connected to the side elements provide a direct connection between the upper and lower edges, respectively, of the sound emitting surfaces.
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