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公开(公告)号：US20210048888A1
公开(公告)日：2021-02-18
申请号：US16991474
申请日：2020-08-12
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Hiroshi HAMADA , Yukihiro MATSUI , Takashi TOMITA
Abstract: A panel includes a vibration plate having a generally rectangular shape; and a piezoelectric actuator that is provided on a main surface of the vibration plate and causes the vibration plate to vibrate, in which the vibration plate is configured such that a length x in mm of a long side of the vibration plate and logarithmic decrement y of the vibration plate satisfy Expression 1 below: y≤32.6x−1 (Expression 1).
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公开(公告)号：US20190265795A1
公开(公告)日：2019-08-29
申请号：US16276472
申请日：2019-02-14
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Shigeo ISHII , Takashi TOMITA , Hiroshi HAMADA , Fumihisa ITO , Yukihiro MATSUI
IPC: G06F3/01 , B06B1/06 , H01L41/053
Abstract: A vibration generating device 90 for non-acoustic applications, includes: a piezoelectric element 11; a diaphragm 82 attached to the piezoelectric element 11 on a first side in a first direction; and a first frame body 84 provided along an outer peripheral portion of the diaphragm 82 to transmit vibration of the diaphragm 82 to a vibration object member 60, wherein the first frame body 84 is connectable to the vibration object member 60 in such a manner that the first frame body 84, the diaphragm 82 and the vibration object member 60 form an enclosed space 64.
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公开(公告)号：US20180249255A1
公开(公告)日：2018-08-30
申请号：US15902889
申请日：2018-02-22
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Shigeo ISHII , Hiroshi HAMADA , Yutaka DOSHIDA , Takashi TOMITA
CPC classification number: H04R17/00 , H04R1/1016 , H04R1/24 , H04R5/033 , H04R7/04 , H04R7/14 , H04R7/18 , H04R9/06 , H04R23/02
Abstract: An electroacoustic transducer includes a piezoelectric speaker and a housing. The piezoelectric speaker has: a first vibration plate with a periphery; a piezoelectric element placed on at least one face of the first vibration plate; and multiple openings that are provided around the piezoelectric element and penetrate through the first vibration plate in its thickness direction that is a first axis direction. The housing has: a supporting part that directly or indirectly supports the periphery; and a sound introduction port that faces the piezoelectric speaker in the first axis direction. The sound introduction port is provided at a position where it does not overlap, in the first axis direction, a first opening having the largest open area among the multiple openings. The electroacoustic transducer can improve the acoustic characteristics of a piezoelectric speaker.
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公开(公告)号：US20170311086A1
公开(公告)日：2017-10-26
申请号：US15513136
申请日：2015-09-30
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Shigeo ISHII , Yukihiro MATSUI , Hiroshi HAMADA , Keiichi KOBAYASHI
CPC classification number: H04R17/00 , H04M1/03 , H04M1/035 , H04M1/6016 , H04R1/025 , H04R7/04 , H04R7/045 , H04R2307/201 , H04R2400/03 , H04R2440/05 , H04R2499/11 , H04R2499/15
Abstract: In an embodiment, an electronic device 1 has a panel 20, a housing 10 that holds the panel 20, and a piezoelectric element 30 installed on the rear side of the panel 20, wherein the piezoelectric element 30 is installed at a position that allows for the vibration amplitude of the panel 20 to become the highest on the side closer to the center of the panel 20 in the longitudinal direction from the installed position of the piezoelectric element 30. The electronic device is capable of causing an entire panel to vibrate in a stable manner.
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公开(公告)号：US20190262864A1
公开(公告)日：2019-08-29
申请号：US16276488
申请日：2019-02-14
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Hiroshi HAMADA , Yukihiro MATSUI , Fumihisa ITO , Takashi TOMITA
IPC: B06B1/06
Abstract: A vibration generating device 90 includes: a housing 30 in a rectangular shape as viewed in a first direction, the housing 30 comprising: a first support portion 31 extending along a first side in a second direction perpendicular to the first direction and; a second support portion 32 extending along a second side opposite to the first side in the second direction; a panel 60 supported by the first support portion and the second support portion; and a piezoelectric element 11 attached to the panel in such a manner as to be shifted in the second direction toward the first side with respect to a central portion of the panel, wherein a width in the second direction of a portion of the panel supported by the first support portion is larger than a width in the second direction of a portion of the panel supported by the second support portion.
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Patent Agency Ranking
公开(公告)号：US20190037319A1
公开(公告)日：2019-01-31
申请号：US16044339
申请日：2018-07-24
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Shigeo ISHII , Hiroshi HAMADA , Yutaka DOSHIDA , Takashi TOMITA
CPC classification number: H04R23/02 , H04R1/1008 , H04R1/1016 , H04R1/24 , H04R3/14 , H04R7/12 , H04R9/06 , H04R17/00 , H04R29/001 , H04R31/006
Abstract: An electroacoustic transducer includes a dynamic speaker that generates a first acoustic sound, and a piezoelectric speaker that generates a second acoustic sound. The sum of the sound pressures of the first and second acoustic sounds in a crossover frequency range of the sound pressure of the first acoustic sound and the sound pressure of the second acoustic sound, is adjusted to be equal to or greater than 0.5 times the sound pressure of the first acoustic sound in the crossover frequency range so as to improve the acoustic properties in the crossover frequency range.
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公开(公告)号：US20180020293A1
公开(公告)日：2018-01-18
申请号：US15641860
申请日：2017-07-05
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Shigeo ISHII , Takashi TOMITA , Hiroshi HAMADA , Yutaka DOSHIDA
CPC classification number: H04R17/00 , H04R1/1016 , H04R1/2811 , H04R1/2857 , H04R1/345 , H04R7/04 , H04R7/18
Abstract: An electroacoustic transducer that can improve acoustic characteristics has a housing and a piezoelectric speaker. The piezoelectric speaker has a first vibration plate with a periphery part supported directly or indirectly on the housing, as well as a piezoelectric element placed at least on one side of the first vibration plate, and is constituted in such a way that its rigidity is asymmetric with respect to the center axis of the first vibration plate.
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公开(公告)号：US20230095671A1
公开(公告)日：2023-03-30
申请号：US17801945
申请日：2021-03-01
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Fumihisa ITO , Yukihiro MATSUI , Hiroshi HAMADA
Abstract: A vibration generating device includes: a vibrator; and a piezoelectric actuator. The vibrator has a first main surface and a second main surface on a side opposite to the first main surface. The piezoelectric actuator is joined to the second main surface. A plurality of recessions and projections is formed at equal intervals on the first main surface. The vibration generating device is configured to be capable of presenting a haptic sensation while preventing a contact sound from being generated.
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公开(公告)号：US20160183006A1
公开(公告)日：2016-06-23
申请号：US14970461
申请日：2015-12-15
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Yasukazu TOKUHISA , Takashi TOMITA , Hiroshi HAMADA , Shigeo ISHII , Yutaka DOSHIDA , Yoshiyuki WATANABE
CPC classification number: H04R17/005 , H04R1/06
Abstract: A piezoelectric speaker has a piezoelectric element and vibration plate. The piezoelectric element has a base body with a mounting surface, as well as first and second terminals that are formed on the mounting surface with a distance between them. The vibration plate has a conductive body joined to the piezoelectric element and having a principle surface facing the mounting surface, as well as a first hole with or without a bottom which is formed on the principle surface in a region facing the first terminal to form a space between the body and first terminal. The piezoelectric speaker is capable of preventing the external electrodes of the piezoelectric element from shorting to each other.
Abstract translation: 压电扬声器具有压电元件和振动板。 压电元件具有安装表面的基体以及形成在安装表面上的距离在其之间的第一和第二端子。 振动板具有连接到压电元件的导体，并且具有面向安装表面的主面，以及具有或不具有底部的第一孔，该第一孔形成在面向第一端子的区域中的主表面上，以形成 身体和第一个终端之间的空间。 压电扬声器能够防止压电元件的外部电极相互短路。
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公开(公告)号：US20160119721A1
公开(公告)日：2016-04-28
申请号：US14878439
申请日：2015-10-08
Applicant: TAIYO YUDEN CO., LTD.
Inventor： Yutaka DOSHIDA , Yukihiro MATSUI , Hiroshi HAMADA
IPC: H04R17/00
CPC classification number: H04R17/00 , H04R1/1075 , H04R1/24 , H04R2217/01
Abstract: In an embodiment, an electroacoustic converter has an enclosure, piezoelectric sounding body, electromagnetic sounding body, passage, and wiring members. The piezoelectric sounding body includes a first vibration plate supported directly or indirectly on the enclosure, and a piezoelectric element placed at least on one side of the first vibration plate. The piezoelectric sounding body divides the interior of the enclosure into a first space and a second space. The electromagnetic sounding body has a second vibration plate and is placed in the first space. The passage is provided at the piezoelectric sounding body or around the piezoelectric sounding body, to connect the first space and second space. The wiring members are electrically connected to the piezoelectric element and led out toward the electromagnetic sounding body, from the piezoelectric element, through the first space or second space.
Abstract translation: 在一个实施例中，电声转换器具有外壳，压电探测体，电磁探测体，通道和接线构件。 压电发声体包括直接或间接地支撑在外壳上的第一振动板和至少位于第一振动板的一侧上的压电元件。 压电探测体将壳体的内部分成第一空间和第二空间。 电磁探测体具有第二振动板，放置在第一空间中。 通道设置在压电探测体或压电探测体周围，以连接第一空间和第二空间。 布线构件电连接到压电元件，并从压电元件通过第一空间或第二空间导向电磁探测体。
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