Measuring method of component concentration in solution
    3.
    发明申请
    Measuring method of component concentration in solution 有权
    溶液中组分浓度的测量方法

    公开(公告)号:US20050065750A1

    公开(公告)日:2005-03-24

    申请号:US10932860

    申请日:2004-09-02

    IPC分类号: G01N21/27 G01K17/00

    CPC分类号: G01N21/274

    摘要: A measuring method of determining component concentration in a solution by calculating component concentrations in the solution at various temperatures in a small number of steps. The component concentration is measured at an arbitrary temperature T by using a solution absorbance spectrum and solvent absorbance spectrum at a plurality of wavelength(s)r, and preliminarily determining a calibration coefficient Mij (TO). Concentration of Ci of component i in solution at reference temperature TO, is obtained at differential spectrum of solution spectrum S (λj, T) at temperature T in j-th wavelength λj and solvent spectrum B (λj, T) at temperature T in j-th wavelength λj, calculating calibration coefficient Mij (TO) the specific component concentrations.

    摘要翻译: 通过在少量步骤中通过在各种温度下计算溶液中的组分浓度来测定溶液中组分浓度的测量方法。 通过使用多个波长r处的溶液吸收光谱和溶剂吸收光谱,在任意温度T测量成分浓度,并预先确定校准系数Mij(TO)。 在溶液光谱S(lambdaj,T)在第j波长lambdaj的温度T和溶剂光谱B(lambdaj,T)的温度T的溶液光谱S(lambdaj,T)的差分光谱下,在溶液中浓度的组分i的浓度 波长lambdaj,计算校准系数Mij(TO)的特定成分浓度。

    PTC thermistor and method for manufacturing the same
    4.
    发明授权
    PTC thermistor and method for manufacturing the same 有权
    PTC热敏电阻及其制造方法

    公开(公告)号:US06438821B1

    公开(公告)日:2002-08-27

    申请号:US09480494

    申请日:2000-01-11

    IPC分类号: H01C704

    摘要: The present invention aims to provide a PTC thermister which uses a conductive polymer having a positive temperature coefficient and has a high withstand voltage and high reliability and in which no failure in electrical connection occurs in side electrode even when a mechanical stress occurs due to the thermal shock by repeated thermal expansion of the conductive polymer sheet. It also aims to provide a method to manufacture the above PTC thermister. To achieve the above purpose, the PTC thermister of the present invention comprises (1)a laminated body made by alternately laminating conductive polymer sheets and inner electrodes, (2) outer electrodes disposed on tops and bottoms of said laminated body and (3) multi-layered side electrodes disposed at the center of both sides of said laminated body and is electrically coupled with said inner electrodes and said outer electrodes. And, a side of laminated body having an area on which a side electrode layer is formed and areas on which side electrode is not formed. A method for manufacturing a PTC thermistor comprises the steps of (1) forming a laminated body by sandwiching a conductive polymer sheet with metal foils, and then integrating them by heat pressing, (2) sandwiching the laminated body and conductive polymer sheets from the top and bottom by metal foils, and integrating them by heat pressing. A multi-layered PTC thermistor is obtained by repeating above processes.

    摘要翻译: 本发明的目的在于提供一种PTC热敏电阻器,其使用具有正温度系数且具有高耐受电压和高可靠性的导电聚合物,并且即使当由于热而产生机械应力时也不会在侧电极中发生电连接故障 导电聚合物片反复热膨胀的冲击。 它还旨在提供一种制造上述PTC热敏电阻的方法。 为了实现上述目的,本发明的PTC热敏电阻器包括(1)通过交替层叠导电性聚合物片材和内部电极而制成的层叠体,(2)设置在所述层叠体的顶部和底部的外部电极,(3)多层 设置在所述层叠体的两侧的中心的侧面电极,与所述内部电极和所述外部电极电连接。 并且,具有形成侧面电极层的区域的层叠体的一侧和不形成侧面电极的区域。 一种制造PTC热敏电阻的方法包括以下步骤:(1)通过用金属箔夹住导电聚合物片形成层压体,然后通过热压将它们集成,(2)从顶部夹入层压体和导电聚合物片 并用金属箔底部,并通过热压整合。 通过重复上述方法获得多层PTC热敏电阻。

    PTC thermistor
    6.
    发明授权
    PTC thermistor 有权
    PTC热敏电阻

    公开(公告)号:US6157289A

    公开(公告)日:2000-12-05

    申请号:US147790

    申请日:1999-03-09

    IPC分类号: H01C7/02 H01C7/10

    CPC分类号: H01C7/021

    摘要: The invention presents a PTC thermistor which is high in adhesive strengths of inner- and outer-layer electrodes composed of metallic foil respectively stuck to conductive sheets, and has a larger current breaking characteristic. It contains a laminated body (13) which is formed by alternately laminating a plurality of conductive sheets (14) and an inner-layer electrode (11) composed of metallic foil having first plated layers (12) so that the conductive sheets (14) can become the outermost layers, an outer-layer electrode (18) positioned at the outermost layer of the laminated body (13), and having a second plated layer (16) on a side facing the inner-layer electrode (11), and side-face electrode layers 20) disposed at facing sides of the laminated body 913) for connecting electrically the inner-layer electrode (11) and outer-layer electrode (18).

    摘要翻译: PCT No.PCT / JP97 / 03357 Sec。 371日期1999年3月9日 102(e)1999年3月9日PCT 1997年9月22日PCT公布。 出版物WO98 / 日期:1998年3月26日本发明提供一种PTC热敏电阻,该PTC热敏电阻具有高分子量的内层和外层电极,金属箔分别粘在导电片上,具有较大的断流特性。 它包含层叠体(13),其通过交替层叠多个导电片(14)和由具有第一镀层(12)的金属箔构成的内层电极(11)形成,使得导电片(14) 可以成为最外层,位于层叠体(13)的最外层的外层电极(18),并且在面向内层电极(11)的一侧具有第二镀层(16),以及 设置在层叠体913的相对侧的侧面电极层20),用于将内层电极(11)和外层电极(18)电连接。

    Polymer chip PTC thermistor
    7.
    发明授权
    Polymer chip PTC thermistor 失效
    聚合物芯片PTC热敏电阻

    公开(公告)号:US06556123B1

    公开(公告)日:2003-04-29

    申请号:US09936191

    申请日:2002-01-02

    IPC分类号: H01C713

    摘要: A chip PTC thermistor is provided which is capable of increasing the rate of increase in resistance when an overcurrent is applied, thereby increasing the breakdown voltage. The PTC thermistor comprises: a first main electrode and a first sub-electrode disposed on a first face of a conductive polymer with PTC properties; a second main electrode and a second sub-electrode disposed on a second face of the conductive polymer, which is facing the first face; and first and second side electrode and disposed on side faces of the conductive polymer. Cut-off sections are provided to the vicinity of joints of the first main electrode and the first side electrode, and joints of the second main electrode and the second side electrode.

    摘要翻译: 提供一种片式PTC热敏电阻器,其能够在施加过电流时提高电阻增加率,从而增加击穿电压。 PTC热敏电阻包括:第一主电极和第一子电极,其设置在具有PTC特性的导电聚合物的第一面上; 第二主电极和第二子电极,其设置在导电聚合物的面向第一面的第二面上; 以及第一和第二侧面电极,并设置在导电聚合物的侧面上。 切断部分设置在第一主电极和第一侧电极的接头附近,以及第二主电极和第二侧电极的接头处。

    PTC thermister chip
    8.
    发明授权
    PTC thermister chip 失效
    PTC热敏电阻芯片

    公开(公告)号:US06441717B1

    公开(公告)日:2002-08-27

    申请号:US09647657

    申请日:2000-12-15

    IPC分类号: H01C710

    摘要: A chip polymer PTC thermistor for surface mount assembly having a superior long-term connection reliability between side electrode and main and sub electrodes. The thermister comprises; a rectangular parallelepiped conductive polymer(11) having PTC properties; a first main electrode(12a) and a first sub electrode(12b) disposed on a first face of the conductive polymer; a second main electrode(12c) and a second sub electrode(12d) disposed on a second face opposite the first face of the conductive polymer; and first and second side electrodes(13a,13b) folding around and over the entire surface of side faces of the conductive polymer, the side electrodes electrically coupling the electrodes disposed on the two faces of the conductive polymer, and a thickness of the side electrodes is not less than one twentieth of the distance between the first main electrode(12a) and the second sub electrode(12d) and the distance between the first sub electrode(12b) and second main electrode(12a,12c).

    摘要翻译: 一种用于表面安装组件的芯片聚合物PTC热敏电阻,其在侧电极和主电极和辅助电极之间具有优异的长期连接可靠性。 热敏电阻包括 具有PTC性质的长方体形导电聚合物(11); 设置在导电性聚合物的第一面上的第一主电极(12a)和第一副电极(12b) 第二主电极(12c)和第二副电极(12d),设置在与导电聚合物的第一面相对的第二面上; 以及在导电聚合物的侧面的整个表面上折叠的第一和第二侧电极(13a,13b),电连接设置在导电聚合物的两个面上的电极的侧电极和侧电极的厚度 不小于第一主电极(12a)和第二副电极(12d)之间的距离的二十分之一以及第一子电极(12b)和第二主电极(12a,12c)之间的距离。

    Subband acoustic echo canceller
    9.
    发明授权
    Subband acoustic echo canceller 失效
    子带声回波消除器

    公开(公告)号:US5721772A

    公开(公告)日:1998-02-24

    申请号:US730247

    申请日:1996-10-15

    CPC分类号: H04M9/082

    摘要: In a subband acoustic echo canceller, FG/BG filters are provided in M ones of N subbands into which the received signal is divided, and adaptive filters are provided in the other remaining subbands. In the respective FG/BG filters, during the detection of a non-double-talk state their transfer logic parts output state signals GD-j, GD-k, . . . and their adaptive operation control parts each apply an adaptation condition signal ADP to the adaptive filter in each of the above-mentioned other remaining subbands when a predetermined number or more of the FG/BG filters output the state signals GD-j, GD-k, . . . The adaptive filter updates the subband estimated echo path coefficient only when it is supplied with the signal ADP.

    摘要翻译: 在子带声回波消除器中,在接收信号被分割的N个子带的M个中提供FG / BG滤波器,并且在其它剩余子带中提供自适应滤波器。 在相应的FG / BG滤波器中,在检测非双方通话状态期间,它们的传输逻辑部分输出状态信号GD-j,GD-k。 。 。 并且当预定数量或更多的FG / BG滤波器输出状态信号GD-j,GD-k时,它们的自适应操作控制部分在自适应滤波器的每一个中将自适应条件信号ADP应用于上述其他剩余子带中的每一个 ,。 。 。 只有当信号ADP被提供时,自适应滤波器才更新子带估计回波路径系数。

    Adaptive transfer function estimating method and estimating device using
the same
    10.
    发明授权
    Adaptive transfer function estimating method and estimating device using the same 失效
    自适应传递函数估计方法及其估计装置

    公开(公告)号:US5602765A

    公开(公告)日:1997-02-11

    申请号:US278503

    申请日:1994-07-21

    摘要: In an adaptive estimation of an acoustic transfer function of an unknown system, a forward linear prediction coefficient vector a(k) of an input signal x(k), the sum of forward a posteriori prediction-error squares F(k), a backward linear prediction coefficient vector b(k) of the input signal x(k) and the sum of backward a posteriori prediction-error squares B(k) are computed. Letting a step size and a pre-filter deriving coefficient vector be represented by .mu. and f(k), respectively, a pre-filter coefficient vector g(k) is calculated by a recursion formula for the pre-filter coefficient vector g(h), which is composed of the following first and second equations: ##EQU1##

    摘要翻译: 在未知系统的声传递函数的自适应估计中,输入信号x(k)的前向线性预测系数向量a(k),前向后验预测误差平方F(k),向后 计算输入信号x(k)的线性预测系数向量b(k)和后向后验预测误差平方B(k)的和。 通过分别用μ和f(k)表示步长和预滤波器导出系数向量,通过预滤波器系数向量g(h)的递归公式计算预滤波器系数向量g(k) ),其由以下第一和第二等式组成: