公开(公告)号：US4565942A

公开(公告)日：1986-01-21

申请号：US626123

申请日：1984-06-29

申请人： Katsumi Sakai ,  Isao Toyoshima

发明人： Katsumi Sakai ,  Isao Toyoshima

IPC分类号： G01F23/296 ,  H03H9/17 ,  H03H9/56 ,  H01L41/08

CPC分类号： H03H9/177 ,  G01F23/2967 ,  H03H9/56

摘要： A liquid sensor mounted on the side wall of a liquid tank for detecting the existence of liquid in the tank. The sensor includes an element which generates a vibration in the direction of its thickness, of energy-trapped type for detecting the existence of liquid. The element consists of electrodes provided on both sides of a piezo-electric substrate, one side of the element for contacting the liquid in the tank being covered with a liquid-proof coating. The existence of liquid is detected from the change in resonance impedance or antiresonance impedance resulting from the liquid contact.

摘要翻译： 安装在液体箱侧壁上的液体传感器，用于检测罐中液体的存在。 传感器包括在其厚度方向产生振动的元件，用于检测液体的存在的能量捕获型。 该元件由设置在压电基板的两侧的电极组成，该元件的一侧用于接触容器中的液体，该液体覆盖有防液体涂层。 从液体接触引起的谐振阻抗或反谐振阻抗的变化中检测液体的存在。

公开(公告)号：US5045744A

公开(公告)日：1991-09-03

申请号：US454362

申请日：1989-12-21

申请人： Akira Ando ,  Toshihiko Kittaka ,  Hiroshi Tamura ,  Isao Toyoshima

发明人： Akira Ando ,  Toshihiko Kittaka ,  Hiroshi Tamura ,  Isao Toyoshima

IPC分类号： H03H9/13 ,  H03H9/17

CPC分类号： H03H9/178

摘要： Disclosed is an energy-trapping-by-frequency-lowering-type piezoelectric-resonance device utilizing a higher harmonic in the mode of thickness-extensional vibration, in which at least three electrodes for energy trapping are arranged so as to be overlapped with each other in the direction of thickness of layers of piezoelectric material forming a plate-shaped body. The three electrodes comprise a pair of outermost electrodes and at least one inner electrode. The diameter of one polygonal side of at least one outermost electrode is made larger than the diameter of one polygonal side of an inner electrode.

摘要翻译： 本发明公开了一种利用高次谐波的能量捕捉频率降低型压电谐振装置，其中至少三个能量捕获电极被布置成彼此重叠的厚度延伸振动模式 在形成板状体的压电材料的层的厚度方向上。 三个电极包括一对最外电极和至少一个内电极。 使至少一个最外面电极的一个多边形的直径比内部电极的一个多边形的直径大。

公开(公告)号：US06634230B2

公开(公告)日：2003-10-21

申请号：US10124418

申请日：2002-04-18

申请人： Isao Toyoshima ,  Akira Mori ,  Nobuyuki Ishitoko ,  Takayuki Shimamoto ,  Akira Kumada ,  Iku Nagai

发明人： Isao Toyoshima ,  Akira Mori ,  Nobuyuki Ishitoko ,  Takayuki Shimamoto ,  Akira Kumada ,  Iku Nagai

IPC分类号： G01C1900

CPC分类号： G01C19/5642

摘要： A vibrating gyroscope includes supporting members which are fixed in the vicinity of two node axes n1 and n2 of a bar-shaped vibrator. The supporting members corresponding to node axis n1 extend from the locations at which they are fixed to the vibrator in the widthwise direction of the vibrator, and also include bending portions and a proximity portion. The bending portions bend toward node axis n1. At the proximity portion, the supporting members are in close proximity with each other with a gap therebetween in the vicinity of node axis n1.

公开(公告)号：US06822375B2

公开(公告)日：2004-11-23

申请号：US09792193

申请日：2001-02-22

申请人： Akira Mori ,  Isao Toyoshima

发明人： Akira Mori ,  Isao Toyoshima

IPC分类号： H01L4106

CPC分类号： G01C19/5663

摘要： A vibrating gyroscope includes a vibrator having a longitudinal direction and being capable of vibrating in a bending mode in a bending direction perpendicular to the longitudinal direction. The vibrator has first and second nodes which elongate in a direction perpendicular to both the bending direction and the longitudinal direction and first, second, third and fourth supporting members connected to the vibrator such that the first node is interposed between the first and second supporting members and the second node is interposed between the third and fourth supporting members. The first node is located at the vicinity of either the first supporting member or the second supporting member, and the second node is located at the vicinity of either the third supporting member or the fourth supporting member.

摘要翻译： 振动陀螺仪包括具有纵向并能够在垂直于纵向的弯曲方向上以弯曲模式振动的振动器。 振动器具有沿与弯曲方向和长度方向垂直的方向延伸的第一和第二节点以及连接到振动器的第一，第二，第三和第四支撑构件，使得第一节点介于第一和第二支撑构件之间 并且第二节点插入在第三和第四支撑构件之间。 第一节点位于第一支撑构件或第二支撑构件的附近，并且第二节点位于第三支撑构件或第四支撑构件的附近。

公开(公告)号：US5151672A

公开(公告)日：1992-09-29

申请号：US627025

申请日：1990-12-13

申请人： Kazuyuki Noto ,  Isao Toyoshima

发明人： Kazuyuki Noto ,  Isao Toyoshima

IPC分类号： H03H9/54 ,  H03H9/58

CPC分类号： H03H9/581 ,  H03H9/542 ,  H03H9/545

摘要： In a trap circuit a plurality of cascade-connected three-terminal piezoelectric ceramic resonators having different resonance frequencies, an inductor is connected between input and output terminals of only the resonator having the lowest resonance frequency, and a resistor is connected between input and output terminals of each remaining resonator, so that large attenuation is attained at the respective resonance frequencies and a large attenuation is attained in intermediate regions between the resonance frequencies. Thus, unwanted signals can be eliminated over a large bandwidth.

摘要翻译： 在陷波电路中，具有不同共振频率的多个级联连接的三端压电陶瓷谐振器，电感器连接在仅具有最低谐振频率的谐振器的输入和输出端之间，并且电阻器连接在输入和输出端 使得在相应谐振频率处获得大的衰减，并且在谐振频率之间的中间区域获得大的衰减。 因此，可以在大的带宽上消除不需要的信号。

公开(公告)号：US4360754A

公开(公告)日：1982-11-23

申请号：US105903

申请日：1979-12-21

申请人： Isao Toyoshima ,  Eizo Ohtsuka

发明人： Isao Toyoshima ,  Eizo Ohtsuka

IPC分类号： H03H3/02 ,  H03H9/05 ,  H03H9/10 ,  H03H9/13 ,  H03H9/17 ,  H03H9/56 ,  H03H9/58 ,  H01L41/08

CPC分类号： H03H9/56 ,  H03H9/0552 ,  H03H9/1028 ,  H03H9/132 ,  H03H9/58

摘要： A piezoelectric device having a casing and a piezoelectric unit supported in the casing by the use of a direction-oriented electroconductive pliable sheet. The piezoelectric unit has a plate-like shape with electrodes laminated on its opposite surfaces. The electrode provided on one surface of the piezoelectric unit extends and is disposed on the opposite surface for gathering all the electrodes on the opposite surface.

摘要翻译： 一种压电装置，其具有壳体和压电单元，该压电单元通过使用方向取向的导电柔性片材支撑在壳体中。 压电单元具有在其相对表面上层叠有电极的板状形状。 设置在压电单元的一个表面上的电极延伸并设置在相对的表面上，用于收集相对表面上的所有电极。

公开(公告)号：US4703218A

公开(公告)日：1987-10-27

申请号：US925827

申请日：1986-10-30

申请人： Hiroyuki Takahashi ,  Isao Toyoshima

发明人： Hiroyuki Takahashi ,  Isao Toyoshima

IPC分类号： H03H9/17 ,  H03H9/10 ,  H03H9/56 ,  H01L41/08

CPC分类号： H03H9/177 ,  H03H9/1014

摘要： Piezo-electric assembly having a piezo-electric resonator of trapped energy type assembled within a forming case. A bulkhead within the case prevents manufacturing defects due to internal spreading of conductive paste, regardless of variations in the coating amount of the conductive paste in mass production or variations in the mount pressure. Constant clearance exists between the internal connecting portions of the external terminals and the draw-out electrode (input/output) electrodes of the resonator, so that any variation in the conductive paste coating amount or the mount pressure is compensated.

摘要翻译： 具有组装在成形壳体内的被俘获能量型压电谐振器的压电组件。 该情况下的隔板防止由于导电浆料的内部扩散而导致的制造缺陷，而不管导电浆料在批量生产中的涂布量的变化或安装压力的变化。 在外部端子的内部连接部分和谐振器的引出电极（输入/输出）电极之间存在恒定的间隙，从而补偿导电浆料涂覆量或安装压力的任何变化。