公开(公告)号：US4607186A

公开(公告)日：1986-08-19

申请号：US439549

申请日：1982-11-05

申请人： Ryoichi Takayama ,  Akira Tokushima ,  Nozomu Ueshiba ,  Yukihiko Ise

发明人： Ryoichi Takayama ,  Akira Tokushima ,  Nozomu Ueshiba ,  Yukihiko Ise

IPC分类号： G10K11/02 ,  H04R17/10 ,  H01L41/08

CPC分类号： G10K11/025 ,  H04R17/10

摘要： An ultrasonic transducer having, in a throat part of a horn, a piezoelectric element and a diaphragm connected by a connection rod to the piezoelectric element. A disk having a plurality of apertures is disposed in front of the diaphragm, thereby improving the directivity and sensitivity without losing transient characteristic, making the transducer very suitable for ultrasonic distance measurement in air.

摘要翻译： 一种超声波换能器，在喇叭的喉部具有压电元件和通过连接杆连接到压电元件的隔膜。 具有多个孔的盘设置在隔膜的前面，从而提高方向性和灵敏度，而不会失去瞬时特性，使得传感器非常适合于空气中的超声距离测量。

公开(公告)号：US08035460B2

公开(公告)日：2011-10-11

申请号：US12279631

申请日：2007-02-14

申请人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Yosuke Hamaoka ,  Hiroyuki Nakamura

发明人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Yosuke Hamaoka ,  Hiroyuki Nakamura

IPC分类号： H03H9/64 ,  H03H9/72 ,  H03H3/08

CPC分类号： H03H9/14538 ,  H03H3/08 ,  H03H9/1452 ,  H03H9/6483 ,  Y10T29/42

摘要： A surface acoustic wave device includes a substrate including lithium niobate; a IDT being provided on an upper surface of the substrate and including a plurality of electrode fingers; and a protective film covering the IDT and having an uneven shape on an upper surface thereof. When a pitch width of one pitch of the IDT is p, a width of one of the electrode fingers is p1, a width between the electrode fingers is p2, and a thickness of the IDT is h, following relations are satisfied, p1+p2=p, and h/(2×p)≧4.5%. With this configuration, an appropriate reflection characteristic is realized, and the surface acoustic wave device having excellent temperature coefficient of frequency and electrical characteristic can be obtained.

摘要翻译： 表面声波装置包括：包含铌酸锂的基板; IDT设置在所述基板的上表面上并且包括多个电极指; 以及覆盖IDT并在其上表面具有不平坦形状的保护膜。 当IDT的一个间距的间距宽度为p时，一个电极指的宽度为p1，电极指之间的宽度为p2，IDT的厚度为h，满足关系，p1 + p2 = p，h /（2×p）≥4.5％。 由此，能够实现适当的反射特性，能够获得具有优异的频率和电特性的温度系数的表面声波装置。

公开(公告)号：US20100164646A1

公开(公告)日：2010-07-01

申请号：US12279631

申请日：2007-02-14

申请人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Yosuke Hamaoka ,  Hiroyuki Nakamura

发明人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Yosuke Hamaoka ,  Hiroyuki Nakamura

IPC分类号： H03H9/76 ,  H03H9/02 ,  H01L41/22

CPC分类号： H03H9/14538 ,  H03H3/08 ,  H03H9/1452 ,  H03H9/6483 ,  Y10T29/42

摘要： A surface acoustic wave device includes a substrate including lithium niobate; a IDT being provided on an upper surface of the substrate and including a plurality of electrode fingers; and a protective film covering the IDT and having an uneven shape on an upper surface thereof. When a pitch width of one pitch of the IDT is p, a width of one of the electrode fingers is p1, a width between the electrode fingers is p2, and a thickness of the IDT is h, following relations are satisfied, p1+p2=p, and h/(2×p)≧4.5%. With this configuration, an appropriate reflection characteristic is realized, and the surface acoustic wave device having excellent temperature coefficient of frequency and electrical characteristic can be obtained.

摘要翻译： 表面声波装置包括：包含铌酸锂的基板; IDT设置在所述基板的上表面上并且包括多个电极指; 以及覆盖IDT并在其上表面具有不平坦形状的保护膜。 当IDT的一个间距的间距宽度为p时，一个电极指的宽度为p1，电极指之间的宽度为p2，IDT的厚度为h，满足关系，p1 + p2 = p，h /（2×p）≥4.5％。 由此，能够实现适当的反射特性，能够获得具有优异的频率和电特性的温度系数的表面声波装置。

公开(公告)号：US20090115554A1

公开(公告)日：2009-05-07

申请号：US12333855

申请日：2008-12-12

申请人： Ryoichi Takayama ,  Hidekazu Nakanishi ,  Takashi Inoue ,  Tetsuo Kawasaki ,  Kouji Hasegawa ,  Yukio Iwasaki

发明人： Ryoichi Takayama ,  Hidekazu Nakanishi ,  Takashi Inoue ,  Tetsuo Kawasaki ,  Kouji Hasegawa ,  Yukio Iwasaki

IPC分类号： H03H9/00

CPC分类号： H03H9/145 ,  H03H3/10 ,  H03H9/02559 ,  H03H9/02834 ,  H03H9/02929 ,  H03H9/02984 ,  H03H9/25 ,  H03H9/6496

摘要： An electronic part, an object of which is to improve temperature characteristics and electrical properties, includes a substrate (1), a comb-type electrode (2) that is disposed on the upper surface of the substrate (1), and a protective film (4) that covers the comb-type electrode (2) and has an uneven shape at its top surface. If the pitch width of one pitch in the uneven shape of the protective film (4) is L, the width of one pitch of a convex portion (4a) of the unevenness in the uneven shape of the protective film (4) is L1, the width of one pitch of a concave portion (4b) thereof is L2, the pitch width of one pitch of the comb-type electrode (2) is p, the width of one of electrode fingers which form the comb-type electrode (2) is p1 and the width between the electrode fingers is p2, then each parameter is set so that the following expressions are satisfied, L1≦p1 and L2≧p2 (herein, the correlations of L≈p, p1+p2=p and L1+L2=L are satisfied).

摘要翻译： 电子部件，其目的在于提高温度特性和电性能，包括基板（1），设置在基板（1）的上表面上的梳状电极（2）和保护膜 （4），其覆盖梳状电极（2），并且在其顶面具有不均匀的形状。 如果保护膜（4）的凹凸形状中的一个间距的间距宽度为L，则保护膜（4）的凹凸形状的凹凸的凸部（4a）的一个间距的宽度为L1， 其凹部（4b）的一个间距的宽度为L2，梳型电极（2）的一个间距的间距宽度为p，形成梳型电极（2）的电极指的一个的宽度 ）为p1，电极指之间的宽度为p2，则设定每个参数，使得满足以下表达式：L1 <= p1和L2> = p2（这里，L≈p，p1 + p2 = p 并且L1 + L2 = L）。

公开(公告)号：US07498898B2

公开(公告)日：2009-03-03

申请号：US10587240

申请日：2005-02-02

申请人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Hiroyuki Nakamura

发明人： Hidekazu Nakanishi ,  Ryoichi Takayama ,  Yukio Iwasaki ,  Hiroyuki Nakamura

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H3/02 ,  H03H9/6433

摘要： A plurality of surface acoustic wave resonators including a comb electrode and a grating reflector are coupled on a piezoelectric substrate. Dielectric film is formed on the surface of at least one surface acoustic wave resonator. No dielectric film is formed on the surface of at least one other surface acoustic wave resonator. Thus, a SAW filter where the insertion loss into a pass band is small, the steepness is sufficient, and the band is wide can be obtained.

摘要翻译： 包括梳状电极和光栅反射器的多个声表面波谐振器耦合在压电基片上。 介电膜形成在至少一个表面声波谐振器的表面上。 在至少一个其它表面声波谐振器的表面上不形成介质膜。 因此，其中插入损耗进入通带的SAW滤波器小，陡度足够，并且可以获得宽带。

公开(公告)号：US06341851B1

公开(公告)日：2002-01-29

申请号：US09487221

申请日：2000-01-19

申请人： Ryoichi Takayama ,  Yuji Takashima ,  Eiichiro Tanaka ,  Koji Ikeda ,  Osamu Kawasaki ,  Masayoshi Miura

发明人： Ryoichi Takayama ,  Yuji Takashima ,  Eiichiro Tanaka ,  Koji Ikeda ,  Osamu Kawasaki ,  Masayoshi Miura

IPC分类号： B41J2045

CPC分类号： B41J2/06 ,  B41J2/14008 ,  B41J2/14233 ,  B41J2002/061 ,  B41J2002/14379

摘要： An ink jet recording apparatus is disclosed, which apparatus has a pressure chamber that holds an ink liquid, and a nozzle communicating with the pressure chamber for discharging the ink liquid when pressure is applied to the pressure chamber. The pressure chamber has a diaphragm disposed therein. A piezoelectric element made of a monocrystalline or polycrystalline piezoelectric member highly oriented along a polarization axis showing perovskite structure, and mainly composed of lead zirconate titanate or barium titanate, is used to vibrate the diaphragm. When a specified voltage is applied to the piezoelectric element, it causes the ink liquid in the pressure chamber to be discharged into a recording medium at the front side of the nozzle.

摘要翻译： 公开了一种喷墨记录装置，该装置具有保持油墨液体的压力室和与压力室连通的喷嘴，用于在压力室施加压力时排出油墨液体。 压力室具有设置在其中的隔膜。 使用由单晶或多晶压电元件制成的压电元件，该单晶或多晶压电元件沿偏振轴高度取向，显示出钙钛矿型结构，主要由锆钛酸铅或钛酸铅组成，振动膜片。 当对压电元件施加规定的电压时，使得压力室中的墨液排出到喷嘴前侧的记录介质中。

公开(公告)号：US5488770A

公开(公告)日：1996-02-06

申请号：US251961

申请日：1994-06-01

申请人： Toshihisa Yamada ,  Toshiharu Miyamoto ,  Kazuo Hayashi ,  Ryoichi Takayama ,  Shinji Kobayashi ,  Keizi Ohmura

发明人： Toshihisa Yamada ,  Toshiharu Miyamoto ,  Kazuo Hayashi ,  Ryoichi Takayama ,  Shinji Kobayashi ,  Keizi Ohmura

IPC分类号： B61D17/04 ,  B62D25/07 ,  B62D31/02 ,  B23P19/04

CPC分类号： B62D25/07 ,  B61D17/043 ,  Y10T29/49622 ,  Y10T29/49904

摘要： A vehicle such as a railroad car is constructed by connecting together side and roof blocks, each equipped with interior components, in a manner to improve the outer appearance of the connections between the side and roof blocks. Longitudinal beams of the side blocks are in contact with the under surfaces of gutters formed by the outer plate of the roof block. The side and roof blocks, equipped with the interior components, are connected together at the gutter portions by a welding which can be conducted solely outside the vehicle. Inside the vehicle, the longitudinal beams and joints secured to the side blocks are connected to lateral beams of the roof block by rivets. Thereafter, a third interior plate is provided between interior plates of the side and roof blocks. Since the connections are formed at the gutter portions, the connecting operations can easily be conducted outside the vehicle and in a manner to assure a good outer appearance.

摘要翻译： 将铁路车辆等车辆通过连接在一起的侧板和车顶块（每个配备有内部部件）的方式构成，以改善侧板和屋顶块之间的连接的外观。 侧块的纵向梁与由屋顶块的外板形成的槽的下表面接触。 配备有内部部件的侧部和屋顶块通过可以仅在车辆外部进行的焊接在沟槽部分处连接在一起。 在车辆内部，固定到侧块的纵向梁和接头通过铆钉连接到屋顶块的横向梁。 此后，在侧板和屋顶块的内板之间设置第三内板。 由于连接件形成在沟槽部分处，所以连接操作可以容易地在车辆外部进行并且以确保良好的外观的方式。

公开(公告)号：US5267515A

公开(公告)日：1993-12-07

申请号：US814580

申请日：1991-12-30

申请人： Hitoshi Tsuruda ,  Morishige Hattori ,  Masato Okazaki ,  Hiroyuki Yamada ,  Kiyotaka Kikumoto ,  Takeyuki Watanabe ,  Ryoichi Takayama ,  Sumio Okuno

发明人： Hitoshi Tsuruda ,  Morishige Hattori ,  Masato Okazaki ,  Hiroyuki Yamada ,  Kiyotaka Kikumoto ,  Takeyuki Watanabe ,  Ryoichi Takayama ,  Sumio Okuno

IPC分类号： B61D17/04 ,  B62D31/02 ,  B62D65/02 ,  B61D17/08

CPC分类号： B61D17/045 ,  B21C23/142 ,  B21C35/026 ,  B61D17/041

摘要： A vehicle body, such as, for example, a railway passenger vehicle body, which includes an external body sheeting formed of opposite sides and a roof and having an internal floor extending between the sides. The sides, above the level of the internal floor, and the roof each include a number of extruded metal plates forming the external body sheeting and integral ribs, extending in a longitudinal direction of the vehicle body, are provided on inner faces of the extruded metal plates. The extruded metal plates are welded together at weld lines extending in a longitudinal direction of the vehicle body.

摘要翻译： 车体，例如铁路乘客车体，其包括由相对侧形成的外部主体片材和屋顶，并且具有在侧面之间延伸的内部地板。 在内部地板的高度以上的侧面和屋顶各自包括形成外部主体片材的多个挤压金属板和沿车身的纵向方向延伸的一体的肋，设置在挤压的金属的内表面上 盘子 挤出的金属板在沿车身纵向延伸的焊接线处焊接在一起。

公开(公告)号：US4458170A

公开(公告)日：1984-07-03

申请号：US328698

申请日：1981-12-08

申请人： Ryoichi Takayama ,  Yukihiko Ise

发明人： Ryoichi Takayama ,  Yukihiko Ise

IPC分类号： G10K9/122 ,  H04R17/00

CPC分类号： G10K9/122

摘要： An ultrasonic transmitter-receiver is characterized in that a diaphragm is disposed at the center of a laminated piezo-electric element and the periphery of the diaphragm is flexibly fixed in a housing through a buffer member of elastic rubber or the like in order to suppress mechanical oscillation.

摘要翻译： 超声波发射机 - 接收机的特征在于，隔膜设置在层压压电元件的中央，并且隔膜的周边通过弹性橡胶等的缓冲构件柔性地固定在壳体中，以便抑制机械 振荡。