专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US08516905B2 MEMS pressure sensor 有权
标题翻译： MEMS压力传感器
公开(公告)号：US08516905B2
公开(公告)日：2013-08-27
申请号：US13583379
申请日：2012-04-02
申请人： Kunihiko Nakamura , Tomohiro Iwasaki , Takehiko Yamakawa , Keiji Onishi
发明人： Kunihiko Nakamura , Tomohiro Iwasaki , Takehiko Yamakawa , Keiji Onishi
IPC分类号： G01L1/10 , G01B7/16
CPC分类号： G01L9/0019 , H03H9/2463 , H03H2009/02488
摘要： A MEMS resonator 100 including a substrate 112; an vibrator 102 including an mechanically vibrating part and a fixed part; at least one electrode 108 that is close to the vibrator and has an area overlapping with the vibrator across a gap 109 in a direction perpendicular to a surface of the substrate; and a pressure transferring mechanism to displace the at least one electrode according to an externally applied pressure so as to change the gap; is connected to a detection circuit that detects transmission characteristics of an AC signal from an input electrode to an output electrode, the input and output electrodes being one and the other of the vibrator 102 and the at least one electrode 108, and the pressure is detected based on the transmission characteristics of the AC signal that is detected by the detection circuit.
摘要翻译：包括基板112的MEMS谐振器100; 包括机械振动部分和固定部分的振动器102; 至少一个电极108，其靠近振动器并且具有与垂直于衬底的表面的方向上的跨越间隙109的振动器重叠的区域; 以及压力传递机构，用于根据外部施加的压力移动所述至少一个电极，以便改变所述间隙; 连接到检测电路，其检测从输入电极到输出电极的AC信号的传输特性，输入和输出电极是振动器102和至少一个电极108中的一个和另一个，并且检测到压力基于由检测电路检测到的AC信号的传输特性。

32. 发明申请

US20100291946A1 HIGH-FREQUENCY FILTER 有权
标题翻译：高频滤波器
公开(公告)号：US20100291946A1
公开(公告)日：2010-11-18
申请号：US12745615
申请日：2008-11-25
申请人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H04W28/00
CPC分类号： H03H7/0153 , H03H7/1758 , H03H7/1766 , H03H9/6433 , H04H40/18 , H04N5/4401 , H04N5/4446 , H04N7/102 , H04N21/41407 , H04N21/42607
摘要： A digital television broadcast receiving section (100) of a mobile telephone terminal includes an antenna (101), a notch filter (102), a low-pass filter (LPF) (103), a low noise amplifier (LNA) (104), a receiving IC (105), a control section (107), and an input section (108). A passband for digital television broadcast is divided into several parts. The control section (107) switches a characteristic of each of the notch filter (102) and the LPF (103) so as to combine filters appropriate for a low-band channel or a high-band channel. Thus, frequencies in a mobile telephone transmission frequency band of the mobile telephone terminal, and frequencies in a band of other systems, the frequencies in these band being interfering waves, are largely attenuated, and at the same time, frequencies in the passband which is a frequency band for digital television broadcast are allowed to pass with low loss.
摘要翻译：移动电话终端的数字电视广播接收部分（100）包括天线（101），陷波滤波器（102），低通滤波器（LPF）（103），低噪声放大器（LNA），接收IC（105），控制部（107）和输入部（108）。数字电视广播的通带分为几个部分。控制部分（107）切换陷波滤波器（102）和LPF（103）中的每一个的特性，以便组合适合于低频带信道或高频带信道的滤波器。因此，移动电话终端的移动电话发送频带中的频率以及其他系统的频带中的频率，这些频带中的频率是干扰波，被大大地衰减，同时，通带中的频率是允许数字电视广播的频带以低损耗通过。

33. 发明授权

US07986198B2 Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same 失效
标题翻译：变频声波薄膜谐振器，滤波器及使用其的通信装置
公开(公告)号：US07986198B2
公开(公告)日：2011-07-26
申请号：US12375313
申请日：2007-08-01
申请人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
发明人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
IPC分类号： H03H9/70 , H03H9/54 , H03H9/15
CPC分类号： H03H9/564 , H03H9/132 , H03H9/542 , H03H9/585 , H03H9/587 , H03H9/605 , H03H2009/02204
摘要： An acoustic thin film resonator including: a first piezoelectric thin film 101; a pair of primary electrodes 103 and 104 for applying an electric signal, which are formed on the first piezoelectric thin film; a second piezoelectric thin film 102 that is disposed so that an oscillation generated in the first piezoelectric thin film propagates to the second piezoelectric thin film; a pair of secondary electrodes 104 and 105 for outputting an electric signal, which are formed on the second piezoelectric thin film; a load 108 that is connected between the secondary electrodes; and a control portion 109 that controls a value of the load. Thereby, an acoustic thin film resonator element is formed so that an electric signal inputted from the primary electrodes is outputted from the secondary electrodes by a piezoelectric effect, and a resonant frequency and an antiresonant frequency are made variable through the control of the value of the load. A resonant frequency and an antiresonant frequency are made variable at the same time without resonant characteristics being deteriorated.
摘要翻译：一种声学薄膜谐振器，包括：第一压电薄膜101; 形成在第一压电薄膜上的用于施加电信号的一对主电极103和104; 第二压电薄膜102被布置成使得在第一压电薄膜中产生的振荡传播到第二压电薄膜; 一对二次电极104和105，用于输出形成在第二压电薄膜上的电信号; 连接在次级电极之间的负载108; 以及控制负载值的控制部109。由此，形成声学薄膜谐振器元件，使得从主电极输入的电信号通过压电效应从次级电极输出，并且通过控制第二电极的值，使谐振频率和反谐振频率变得可变加载。使共振频率和反谐振频率同时变化，而谐振特性不变。

34. 发明授权

US07675389B2 Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same 失效
标题翻译：压电谐振器，压电滤波器和双工器以及使用其的通信装置
公开(公告)号：US07675389B2
公开(公告)日：2010-03-09
申请号：US11916792
申请日：2006-06-22
申请人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H03H9/70 , H03H9/15 , H03H9/54
CPC分类号： H03H9/588 , H03H3/04 , H03H9/605 , H03H2003/0471
摘要： Three or more piezoelectric resonators having resonance frequencies different from one another are realized on the same substrate. First through third frequency adjustment layers of first through third piezoelectric resonators, respectively, provided on the same substrate 101 are formed by varying, among the frequency adjustment layers, the ratio of area (depressions 109 and 110) to be etched to area not to be etched.
摘要翻译：在相同的基板上实现具有彼此不同的谐振频率的三个或更多个压电谐振器。分别设置在同一基板101上的第一至第三压电谐振器的第三至第三频率调节层通过在频率调整层之间改变要蚀刻的面积（凹陷109和110）与不被蚀刻的区域的比率蚀刻。

35. 发明申请

US20090273416A1 FREQUENCY-VARIABLE ACOUSTIC THIN FILM RESONATOR, FILTER AND COMMUNICATION APPARATUS USING THE SAME 失效
标题翻译：频率可变声光薄膜共振器，滤光片和通讯装置
公开(公告)号：US20090273416A1
公开(公告)日：2009-11-05
申请号：US12375313
申请日：2007-08-01
申请人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
发明人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
IPC分类号： H03H9/15
CPC分类号： H03H9/564 , H03H9/132 , H03H9/542 , H03H9/585 , H03H9/587 , H03H9/605 , H03H2009/02204
摘要： An acoustic thin film resonator including: a first piezoelectric thin film 101; a pair of primary electrodes 103 and 104 for applying an electric signal, which are formed on the first piezoelectric thin film; a second piezoelectric thin film 102 that is disposed so that an oscillation generated in the first piezoelectric thin film propagates to the second piezoelectric thin film; a pair of secondary electrodes 104 and 105 for outputting an electric signal, which are formed on the second piezoelectric thin film; a load 108 that is connected between the secondary electrodes; and a control portion 109 that controls a value of the load. Thereby, an acoustic thin film resonator element is formed so that an electric signal inputted from the primary electrodes is outputted from the secondary electrodes by a piezoelectric effect, and a resonant frequency and an antiresonant frequency are made variable through the control of the value of the load. A resonant frequency and an antiresonant frequency are made variable at the same time without resonant characteristics being deteriorated.
摘要翻译：一种声学薄膜谐振器，包括：第一压电薄膜101; 形成在第一压电薄膜上的用于施加电信号的一对主电极103和104; 第二压电薄膜102被布置成使得在第一压电薄膜中产生的振荡传播到第二压电薄膜; 一对二次电极104和105，用于输出形成在第二压电薄膜上的电信号; 连接在次级电极之间的负载108; 以及控制负载值的控制部109。由此，形成声学薄膜谐振器元件，使得从主电极输入的电信号通过压电效应从次级电极输出，并且通过控制第二电极的值，使谐振频率和反谐振频率变得可变加载。使共振频率和反谐振频率同时变化，而谐振特性不变。

36. 发明授权

US07477115B2 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator 失效
标题翻译：压电谐振器，制造压电谐振器的方法以及使用压电谐振器的滤波器，双工器和通信装置
公开(公告)号：US07477115B2
公开(公告)日：2009-01-13
申请号：US11488148
申请日：2006-07-18
申请人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
发明人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
IPC分类号： H03H9/72 , H03H9/64 , H03H9/15
CPC分类号： H03H3/04 , H03H9/0211 , H03H9/173 , Y10T29/42
摘要： A piezoeletric resonator includes: a substrate; a lower electrode formed on or above the substrate; a piezoeletric body formed on or above the lower electrode; an upper electrode formed on or above the piezoeletric body; and a cavity under a vibrating portion formed by the lower electrode, the piezoeletric body, and the upper electrode. Where a resonant frequency of vibration with a thickness of the vibrating portion being a half of a wavelength is taken as fr, an average of ultrasonic velocity in a material forming the cavity is taken as Vc, and a value determined based on the resonant frequency fr and the average of ultrasonic velocity Vc is taken as λc (=Vc/fr), a depth of the cavity is set so as to be equal to or larger than n×λc/2−λc/8 and equal to or smaller than n×λc/2+λc/8.
摘要翻译：压电谐振器包括：基板; 形成在基板上或上方的下电极; 形成在下电极上或上的压电体; 形成在压电体上或上的上电极; 以及由下电极，压电体和上电极形成的振动部下的空腔。其中振动部分的厚度为波长的一半的振动的共振频率为fr，将形成空腔的材料中的超声速度的平均值作为Vc，并且基于谐振频率fr确定的值超声波速度Vc的平均值为lambdac（= Vc / fr），空腔的深度设定为等于或大于n×lambdac / 2-lambdac / 8且等于或小于nxlambdac / 2 + lambdac / 8。

37. 发明申请

US20070109073A1 Filter using piezoelectric resonator 失效
标题翻译：使用压电谐振器滤波
公开(公告)号：US20070109073A1
公开(公告)日：2007-05-17
申请号：US11582425
申请日：2006-10-18
申请人： Takehiko Yamakawa , Hiroshi Yamaguchi , Hiroshi Nakatsuka , Hiroyuki Nakamura , Keiji Onishi , Toshio Ishizaki
发明人： Takehiko Yamakawa , Hiroshi Yamaguchi , Hiroshi Nakatsuka , Hiroyuki Nakamura , Keiji Onishi , Toshio Ishizaki
IPC分类号： H03H9/70 , H03H9/58
CPC分类号： H03H9/605 , H03H9/25 , H03H9/542 , H03H9/6483 , H03H9/6493
摘要： A series piezoelectric resonator 11 is connected in series between an input terminal 15a and an output terminal 15b. A first electrode of a parallel piezoelectric resonator 12a is connected to a connection point between the input terminal 15a and the series piezoelectric resonator 11, and a second electrode of the parallel piezoelectric resonator 12a is connected to a first terminal of an inductor 13a. A first electrode of a parallel piezoelectric resonator 12b is connected to a connection point between the series piezoelectric resonator 11 and the output terminal 15b, and a second electrode of the parallel piezoelectric resonator 12b is connected to a first terminal of an inductor 13b. Second terminals of the inductors 13a and 13b are grounded. An additional piezoelectric resonator 14 is connected between the second electrode of the parallel piezoelectric resonator 12a and the second electrode of the parallel piezoelectric resonator 12b.
摘要翻译：串联压电谐振器11串联连接在输入端子15a和输出端子15b之间。平行压电谐振器12a的第一电极连接到输入端子15a和串联压电谐振器11之间的连接点，并联压电谐振器的第二电极连接到电感器13的第一端子一个。平行压电谐振器12b的第一电极连接到串联压电谐振器11和输出端子15b之间的连接点，并联压电谐振器12b的第二电极连接到电感器13的第一端子 b。电感器13a和13b的第二端接地。并联压电谐振器12a的第二电极和并联压电谐振器12b的第二电极之间连接有一个附加的压电谐振器14。

38. 发明申请

US20070093229A1 Complex RF device and method for manufacturing the same 审中-公开
标题翻译：复杂RF器件及其制造方法
公开(公告)号：US20070093229A1
公开(公告)日：2007-04-26
申请号：US11580848
申请日：2006-10-16
申请人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H04B1/06 , H04B1/28
CPC分类号： H01L25/16 , H01L23/66 , H01L24/48 , H01L2224/32145 , H01L2224/48091 , H01L2924/00014 , H01L2924/01004 , H01L2924/01079 , H01L2924/01322 , H01L2924/3011 , H03H9/0547 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
摘要： A complex RF device is provided which is composed of two RF circuits stacked vertically. The complex RF device comprises a substrate, a second RF circuit provided on the substrate, and a first RF circuit which is provided on the second RF circuit and does not require a substrate. The first RF circuit is formed on another substrate before being transferred onto the second RF circuit.
摘要翻译：提供了一种复合RF器件，它由垂直堆叠的两个RF电路组成。复合RF器件包括衬底，设置在衬底上的第二RF电路和设置在第二RF电路上并且不需要衬底的第一RF电路。第一RF电路在被转移到第二RF电路之前形成在另一个衬底上。

39. 发明申请

US20070001781A1 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator 失效
标题翻译：压电谐振器，制造压电谐振器的方法以及使用压电谐振器的滤波器，双工器和通信装置
公开(公告)号：US20070001781A1
公开(公告)日：2007-01-04
申请号：US11488148
申请日：2006-07-18
申请人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
发明人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
IPC分类号： H03H9/70 , H03H9/54
CPC分类号： H03H3/04 , H03H9/0211 , H03H9/173 , Y10T29/42
摘要： A piezoeletric resonator includes: a substrate; a lower electrode formed on or above the substrate; a piezoeletric body formed on or above the lower electrode; an upper electrode formed on or above the piezoeletric body; and a cavity under a vibrating portion formed by the lower electrode, the piezoeletric body, and the upper electrode. Where a resonant frequency of vibration with a thickness of the vibrating portion being a half of a wavelength is taken as fr, an average of ultrasonic velocity in a material forming the cavity is taken as Vc, and a value determined based on the resonant frequency fr and the average of ultrasonic velocity Vc is taken as λc (=Vc/fr), a depth of the cavity is set so as to be equal to or larger than n×λc/2−λc/8 and equal to or smaller than n×λc/2+λc/8.
摘要翻译：压电谐振器包括：基板; 形成在基板上或上方的下电极; 形成在下电极上或上的压电体; 形成在压电体上或上的上电极; 以及由下电极，压电体和上电极形成的振动部下的空腔。其中振动部分的厚度为波长的一半的振动的共振频率为fr，将形成空腔的材料中的超声速度的平均值作为Vc，并且基于谐振频率fr确定的值超声波速度Vc的平均值为lambdac（= Vc / fr），空腔的深度设定为等于或大于n×lambdac / 2-lambdac / 8且等于或小于nxlambdac / 2 + lambdac / 8。

40. 发明授权

US08306499B2 High-frequency filter 有权
标题翻译：高频滤波器
公开(公告)号：US08306499B2
公开(公告)日：2012-11-06
申请号：US12745615
申请日：2008-11-25
申请人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H04B1/10
CPC分类号： H03H7/0153 , H03H7/1758 , H03H7/1766 , H03H9/6433 , H04H40/18 , H04N5/4401 , H04N5/4446 , H04N7/102 , H04N21/41407 , H04N21/42607
摘要： A digital television broadcast receiving section (100) of a mobile telephone terminal includes an antenna (101), a notch filter (102), a low-pass filter (LPF) (103), a low noise amplifier (LNA) (104), a receiving IC (105), a control section (107), and an input section (108). A passband for digital television broadcast is divided into several parts. The control section (107) switches a characteristic of each of the notch filter (102) and the LPF (103) so as to combine filters appropriate for a low-band channel or a high-band channel. Thus, frequencies in a mobile telephone transmission frequency band of the mobile telephone terminal, and frequencies in a band of other systems, the frequencies in these band being interfering waves, are largely attenuated, and at the same time, frequencies in the passband which is a frequency band for digital television broadcast are allowed to pass with low loss.
摘要翻译：移动电话终端的数字电视广播接收部分（100）包括天线（101），陷波滤波器（102），低通滤波器（LPF）（103），低噪声放大器（LNA），接收IC（105），控制部（107）和输入部（108）。数字电视广播的通带分为几个部分。控制部分（107）切换陷波滤波器（102）和LPF（103）中的每一个的特性，以便组合适合于低频带信道或高频带信道的滤波器。因此，移动电话终端的移动电话发送频带中的频率以及其他系统的频带中的频率，这些频带中的频率是干扰波，被大大地衰减，同时，通带中的频率是允许数字电视广播的频带以低损耗通过。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式