公开(公告)号：US5804945A

公开(公告)日：1998-09-08

申请号：US967788

申请日：1997-11-10

申请人： Osamu Sato ,  Takahiro Akiyama ,  Tokunori Honma

发明人： Osamu Sato ,  Takahiro Akiyama ,  Tokunori Honma

IPC分类号： H02J7/04 ,  H01M10/44 ,  H02J7/00

CPC分类号： H02J7/0075

摘要： A storage battery-based DC power supply system with continuous float charging adapted to automatic continuous recharging of storage battery connected to load is disclosed. Selective recharging at the full-charge voltage and float charging voltage is performed in response to the accumulated ampere-hour value of discharge current from the storage battery, when such value reaches a predetermined threshold value set to prevent excessive recharging, which can damage storage battery.

摘要翻译： 公开了一种具有连续浮充电的基于蓄电池的直流电源系统，适用于连接负载的蓄电池的自动连续再充电。 响应于来自蓄电池的放电电流的累积安培小时值，执行满充电电压和浮充电电压的选择性充电，当该值达到设定为防止过度再充电的预定阈值时，这可能损坏蓄电池 。

公开(公告)号：US09154057B2

公开(公告)日：2015-10-06

申请号：US13702059

申请日：2011-06-02

申请人： Takahiro Akiyama ,  Chienliu Chang

发明人： Takahiro Akiyama ,  Chienliu Chang

IPC分类号： H02N11/00 ,  B06B1/06 ,  G01N29/00 ,  H02N1/00

CPC分类号： H02N1/08 ,  B06B1/067 ,  G01N29/00 ,  G01N29/2418 ,  G01N2291/101 ,  H02N1/00 ,  H02N11/002

摘要： To suggest an electromechanical transducer device with a high S/N ratio, an electromechanical transducer device includes a first substrate; electromechanical transducer elements two-dimensionally arrayed on a front surface of the first substrate and configured to provide conversion between acoustic waves and electric signals; an electric wiring substrate that is a second substrate electrically connected with a back surface of the first substrate; a first acoustic matching layer provided between the first substrate and the second substrate; an acoustic attenuating member arranged on a back surface of the second substrate; and a second acoustic matching layer provided between the second substrate and the acoustic attenuating member.

摘要翻译： 为了提出具有高S / N比的机电换能器件，机电换能器装置包括第一基片; 机电换能器元件二维排列在第一基板的前表面上并被配置为提供声波和电信号之间的转换; 电接线基板，其是与所述第一基板的背面电连接的第二基板; 设置在所述第一基板和所述第二基板之间的第一声匹配层; 设置在所述第二基板的背面上的声衰减部件; 以及设置在第二基板和声衰减部件之间的第二声匹配层。

公开(公告)号：US08869622B2

公开(公告)日：2014-10-28

申请号：US13390680

申请日：2010-08-05

申请人： Kazunari Fujii ,  Takahiro Akiyama ,  Ayako Kato

发明人： Kazunari Fujii ,  Takahiro Akiyama ,  Ayako Kato

IPC分类号： G01L9/12 ,  B06B1/02

CPC分类号： B06B1/0292 ,  Y10T29/49009

摘要： A technology that makes it possible to adjust, through processing, an output signal sent from a capacitive electromechanical transducer apparatus such as a CMUT upon reception of an elastic wave is provided.A capacitive electromechanical transducer apparatus 100 includes cells 102 that include a first electrode 104 and second electrodes 106, each of which is disposed so as to be opposite the first electrode 104 with a cavity 105 therebetween. In the capacitive electromechanical transducer apparatus 100, at least one of the cells 102 includes a processed unit on which at least either addition of a material or removal of a material is performed as processing.

摘要翻译： 提供了一种技术，其可以通过处理在接收到弹性波时从诸如CMUT的电容式机电换能器装置发送的输出信号进行调节。 电容式机电换能器装置100包括电池102，电池102包括第一电极104和第二电极106，第一电极104和第二电极106设置成与第一电极104相对并且在其间具有空腔105。 在电容式机电换能器装置100中，电池102中的至少一个包括处理单元，在其上进行材料的至少任意添加或材料的移除作为处理。

公开(公告)号：US20130126993A1

公开(公告)日：2013-05-23

申请号：US13813396

申请日：2011-07-26

申请人： Kazutoshi Torashima ,  Takahiro Akiyama

发明人： Kazutoshi Torashima ,  Takahiro Akiyama

IPC分类号： H01L21/18 ,  B81B3/00

CPC分类号： H01L21/185 ,  B06B1/0292 ,  B81B3/0021

摘要： The present invention relates to an electromechanical transducer and a method of producing it, in which the substrate rigidity is maintained to prevent the substrate from being broken during formation of dividing grooves or a film.The electromechanical transducer includes a plurality of elements each having at least one cell. An insulating layer is formed on a first substrate, and gaps are formed in the insulating layer. A second substrate is bonded to the insulating layer provided with the gaps. Then, dividing grooves are formed in the first substrate and are at least partially filled with an insulating member. Then, the thickness of the second substrate bonded to the insulating layer is reduced to form a film.

摘要翻译： 本发明涉及一种机电换能器及其制造方法，其中保持基板的刚度以防止在分隔槽或薄膜形成期间基板被破坏。 机电换能器包括多个元件，每个元件具有至少一个单元。 在第一基板上形成绝缘层，并且在绝缘层中形成间隙。 第二基板与设置有间隙的绝缘层接合。 然后，分隔槽形成在第一基板中，并且至少部分地填充有绝缘构件。 然后，将与绝缘层接合的第二基板的厚度减小以形成膜。

公开(公告)号：US20130081471A1

公开(公告)日：2013-04-04

申请号：US13702059

申请日：2011-06-02

申请人： Takahiro Akiyama ,  Chienliu Chang

发明人： Takahiro Akiyama ,  Chienliu Chang

IPC分类号： H02N11/00 ,  G01N29/00 ,  H02N1/00

CPC分类号： H02N1/08 ,  B06B1/067 ,  G01N29/00 ,  G01N29/2418 ,  G01N2291/101 ,  H02N1/00 ,  H02N11/002

摘要： To suggest an electromechanical transducer device with a high S/N ratio, an electromechanical transducer device includes a first substrate; electromechanical transducer elements two-dimensionally arrayed on a front surface of the first substrate and configured to provide conversion between acoustic waves and electric signals; an electric wiring substrate that is a second substrate electrically connected with a back surface of the first substrate; a first acoustic matching layer provided between the first substrate and the second substrate; an acoustic attenuating member arranged on a back surface of the second substrate; and a second acoustic matching layer provided between the second substrate and the acoustic attenuating member.

公开(公告)号：US20130069480A1

公开(公告)日：2013-03-21

申请号：US13592416

申请日：2012-08-23

申请人： Takahiro Akiyama ,  Kazutoshi Torashima

发明人： Takahiro Akiyama ,  Kazutoshi Torashima

IPC分类号： H02N11/00 ,  H04R31/00

CPC分类号： H02N11/00 ,  H04R19/005 ,  H04R31/00 ,  H04R2201/401 ,  Y10T29/4902

摘要： An electromechanical transducer with less characteristic variation and a method of manufacturing the electromechanical transducer is provided. The electromechanical transducer has a plurality of cells constituted of a first electrode, a vibration film provided with a second electrode provided so as to face the first electrode through a gap, and a supporting portion supporting the vibration film. A structure configured to reduce an uneven flatness between the vibration film and the supporting portion is provided at an outer peripheral portion of a gap while a portion of the supporting portion is interposed between the structure and the gap.

摘要翻译： 提供具有较小特性变化的机电换能器和制造机电换能器的方法。 机电换能器具有多个单元，其由第一电极，设置有通过间隙与第一电极相对设置的第二电极的振动膜和支撑振动膜的支撑部构成。 在间隙的外周部设置有用于减小振动膜与支撑部之间的不均匀平坦度的结构，同时支撑部的一部分插入在结构和间隙之间。

公开(公告)号：US20110019256A1

公开(公告)日：2011-01-27

申请号：US12673694

申请日：2008-10-28

申请人： Suguru Miyagawa ,  Takahiro Akiyama ,  Kazutoshi Torashima ,  Takahisa Kato ,  Kazunari Fujii

发明人： Suguru Miyagawa ,  Takahiro Akiyama ,  Kazutoshi Torashima ,  Takahisa Kato ,  Kazunari Fujii

IPC分类号： G02B26/08 ,  B23Q17/00

CPC分类号： G02B26/105 ,  G02B26/085 ,  H04N1/1135 ,  Y10T29/49774

摘要： A method of manufacturing an oscillator device having an oscillator supported relative to a fixed member by a torsion spring for oscillation around a torsion axis and arranged to be driven at a resonance frequency, which method includes a first step for determining an assumed value of an inertia moment weight of the oscillator, a second step for measuring the resonance frequency, a third step for calculating a spring constant of the torsion spring, from the assumed value of the inertia moment weight and the measured resonance frequency obtained at said first and second steps, a fourth step for calculating an adjustment amount for the inertia moment of the oscillator or for the spring constant of the torsion spring, based on the spring constant calculated at said third step and a target resonance frequency determined with respect to the resonance frequency of the oscillator, so as to adjust the resonance frequency to the target resonance frequency, and a fifth step for adjusting the resonance frequency of the oscillator to the target resonance frequency based on the calculated adjustment amount.

摘要翻译： 一种制造振荡器装置的方法，该振荡器装置具有通过用于围绕扭转轴线摆动并被以共振频率驱动的扭转弹簧相对于固定构件支撑的振荡器的方法，该方法包括用于确定惯性的假定值的第一步骤 振荡器的力矩，用于测量共振频率的第二步骤，用于计算扭簧的弹簧常数的第三步骤，根据在所述第一和第二步骤获得的惯性力矩的假定值和测得的共振频率， 基于在所述第三步骤计算的弹簧常数和相对于振荡器的共振频率确定的目标共振频率，计算用于振荡器的惯性矩或扭簧的弹簧常数的调节量的第四步骤 ，以便将谐振频率调节到目标谐振频率，以及用于调整res的第五步骤 基于计算出的调整量，振荡器的频率与目标谐振频率成正比。

公开(公告)号：US20100214636A1

公开(公告)日：2010-08-26

申请号：US12680813

申请日：2008-12-10

申请人： Suguru Miyagawa ,  Kazunari Fujii ,  Takahisa Kato ,  Kazutoshi Torashima ,  Takahiro Akiyama

发明人： Suguru Miyagawa ,  Kazunari Fujii ,  Takahisa Kato ,  Kazutoshi Torashima ,  Takahiro Akiyama

IPC分类号： G02B26/08 ,  B23P11/00 ,  B23K26/38

CPC分类号： G02B26/085 ,  G02B26/101 ,  Y10T29/49826

摘要： A method of manufacturing an oscillator device having a fixed member and an oscillation plate supported by the fixed member through a supporting member for oscillation around a torsion axis, the oscillation plate being driven at a resonance frequency around the torsion axis, includes a frequency regulating step based on an extension member for adjustment of a mass of the oscillation plate, for forming the extension member on the oscillation plate and for adjusting the mass of the oscillation plate by cutting a portion of the extension member with the irradiation of a laser beam, an oscillator assembling step for fixing the fixed member to a fixed base, and a driving member assembling step for fixing a driving member for driving the oscillation plate to the fixed base, wherein at least the driving member assembling step is carried out after the frequency regulating step based on the extension member is performed.

摘要翻译： 一种振荡器装置的制造方法，其特征在于，具有固定部件和由所述固定部件支撑的摆动板，通过绕所述扭转轴摆动的支撑部件，所述振动板以扭转轴为中心的共振频率被驱动， 基于用于调整振动板的质量的延伸构件，用于在振动板上形成延伸构件并且通过用激光束的照射切割延伸构件的一部分来调节振动板的质量， 用于将固定构件固定到固定基座的振荡器组装步骤以及用于将用于驱动振荡板的驱动构件固定到固定基座的驱动构件组装步骤，其中至少在频率调节步骤之后执行驱动构件组装步骤 基于扩展成员进行。

公开(公告)号：US07719218B2

公开(公告)日：2010-05-18

申请号：US11873653

申请日：2007-10-17

申请人： Yasusuke Iwashita ,  Takahiro Akiyama ,  Masakazu Niwa ,  Geng Li

发明人： Yasusuke Iwashita ,  Takahiro Akiyama ,  Masakazu Niwa ,  Geng Li

IPC分类号： H02P7/00

CPC分类号： G05B19/4065 ,  B23Q17/09 ,  G05B2219/37228 ,  G05B2219/37246 ,  G05B2219/37256 ,  G05B2219/42295 ,  G05B2219/42304

摘要： A motor control apparatus for computing or outputting motor load information, comprises: a storage unit which stores a function or table obtained in advance based on parameters used for the computation of the load information and on an actually measured value of a motor output or motor torque; and a load meter computing unit which computes the load information from the function or table stored in the storage unit by using the parameters used for the computation of the load information. With the above configuration, the load meter is computed in such a manner as to accurately indicate the load condition of a motor in real time over the entire speed range of the motor including the nonlinear control region of the motor, and the motor is controlled using the thus computed value or the computed value is displayed on a display unit.

摘要翻译： 一种用于计算或输出电动机负载信息的电动机控制装置，包括：存储单元，其基于用于负载信息的计算的参数和电动机输出或电动机转矩的实际测量值来存储预先获得的功能或表 ; 以及负载表计算单元，其通过使用用于计算负载信息的参数，从存储在存储单元中的功能或表计算负载信息。 通过上述结构，计算负载计量器，以便在包括电动机的非线性控制区域的电动机的整个速度范围内实时准确地指示电动机的负载状态，并且使用 这样计算的值或计算值被显示在显示单元上。

公开(公告)号：US20090051992A1

公开(公告)日：2009-02-26

申请号：US12160209

申请日：2007-02-13

申请人： Kazunari Fujii ,  Yukio Furukawa ,  Takahiro Akiyama ,  Ryuhei Shoji ,  Soichiro Suzuki ,  Shimpei Matsuo ,  Tatsuya Hotogi ,  Shinichiro Iimura

发明人： Kazunari Fujii ,  Yukio Furukawa ,  Takahiro Akiyama ,  Ryuhei Shoji ,  Soichiro Suzuki ,  Shimpei Matsuo ,  Tatsuya Hotogi ,  Shinichiro Iimura

IPC分类号： G02B26/08 ,  G03G15/043

CPC分类号： G02B26/0833

摘要： Disclosed is an oscillator device that includes an oscillating system having a first oscillator, a second oscillator, a first torsion spring for connecting the first and second oscillators each other, and a second torsion spring being connected to the second oscillator and having a common torsional axis with the first torsion spring; a supporting system for supporting the oscillating system; a driving system for driving the oscillating system so that at least one of the first and second oscillators produces oscillation as can be expressed by an equation that contains a sum of a plurality of time functions; a signal producing system for producing an output signal corresponding to displacement of at least one of the first and second oscillators; and a drive control system for controlling the driving system on the basis of the output signal of the signal producing system so that at least one of amplitude and phase of the time function takes a predetermined value.

摘要翻译： 公开了一种振荡器装置，其包括具有第一振荡器，第二振荡器，用于将第一和第二振荡器彼此连接的第一扭转弹簧的振荡系统，以及连接到第二振荡器并具有公共扭转轴线的第二扭簧 与第一扭转弹簧; 支撑摆动系统的支撑系统; 用于驱动振荡系统的驱动系统，使得第一和第二振荡器中的至少一个产生振荡，如可以由包含多个时间函数的和的等式表示的; 信号产生系统，用于产生对应于第一和第二振荡器中的至少一个的位移的输出信号; 以及驱动控制系统，用于基于信号产生系统的输出信号来控制驱动系统，使得时间函数的幅度和相位中的至少一个取预定值。