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    • 92. 发明授权
    • Method of rapidly interrogating elastic wave sensors
    • 快速询问弹性波传感器的方法
    • US08436512B2
    • 2013-05-07
    • US13080508
    • 2011-04-05
    • Christophe DroitJean-Michel FriedtGilles MartinSylvain Ballandras
    • Christophe DroitJean-Michel FriedtGilles MartinSylvain Ballandras
    • H01L41/107
    • G01N29/036B60C23/0449G01N29/2481G01N29/42G01N29/4454G01S13/753H04Q9/00H04Q2209/10H04Q2209/40H04Q2209/75
    • A method of remotely interrogating a passive sensor, comprising at least one resonator, so as to determine the resonant frequency of said resonator, having a resonant frequency response defined by the design of said resonator, includes: a preliminary frequency-scan step for interrogating said resonator over a frequency range allowing for the rapid determination of a first resonant frequency (fr0) of said resonator by detecting the amplitude of the response signal of said resonator; a first step of a first couple of interrogations of said resonator at a first frequency (f11) and a second frequency (f21) such that: f11=fr0−fm/2 and f21=fr0+fm/2, fm being smaller than the width at half-maximum of the resonant frequency response defined by the design, allowing a first couple of amplitudes (Pf11, Pf21) of first and second reception signals to be defined; a second step of determining the amplitude difference (Δ(Pf11−Pf21)), said difference being signed; a third step allowing a first resonant frequency (fr1), controlled by said signed amplitude difference, to be defined and having the formula fr1=fr0+K*[Δ(Pf11−Pf21)−Ca], where Ca is a control set-point and K is a constant; and the reiteration of the first, second and third steps comprising the definition of an (i+1)th resonant frequency (fri+1) from an ith resonant frequency (fri) having the formula: fri+1=fri+K*[Δ(Pf1i−Pf2i)−Ca], so as to obtain a determined resonant frequency (fri+1) such that the signed amplitude difference (Δ(Pf1i−Pf2i)) is equal to the control set-point (Ca).
    • 一种远程询问无源传感器的方法,包括至少一个谐振器,以便确定具有由所述谐振器的设计定义的谐振频率响应的所述谐振器的谐振频率,包括:初步频率扫描步骤,用于询问所述 谐振器,其允许通过检测所述谐振器的响应信号的幅度来快速确定所述谐振器的第一谐振频率(fr0); 以第一频率(f11)​​和第二频率(f21)对所述谐振器的第一对询问的第一步骤,使得:f11 = fr0-fm / 2和f21 = fr0 + fm / 2,fm小于 由设计定义的谐振频率响应的最大值的宽度,允许定义第一和第二接收信号的第一对幅度(Pf11,Pf21); 确定振幅差(Delta(Pf11-Pf21))的第二步骤,所述差被签名; 允许由所述有符号振幅差控制的第一共振频率(fr1)被定义并具有公式fr1 = fr0 + K * [Δ(Pf11-Pf21)-Ca]的第三步骤,其中Ca是控制设置 - 点和K是常数; 并且重复第一,第二和第三步骤包括从具有以下公式的第i个谐振频率(星期一)定义第(i + 1)个谐振频率(星期一+ 1) Delta(Pf1i-Pf2i)-Ca],以获得确定的谐振频率(fri + 1),使得有符号的振幅差(Delta(Pf1i-Pf2i))等于控制设定点(Ca)。
    • 98. 发明申请
    • BLOOD COAGULATION TIME DETERMINATION METHOD AND APPARATUS
    • 血液凝固时间测定方法和装置
    • US20120252043A1
    • 2012-10-04
    • US13394807
    • 2010-09-09
    • Frank K. Gehring
    • Frank K. Gehring
    • G01N33/86C12M1/34C12Q1/56
    • G01N29/036G01N33/86G01N2291/0256
    • The invention relates to a method for determining the coagulation time of a sample fluid containing blood components by means of a resonator whose vibration parameters are measured and then used as a basis for determining the sample fluid viscosity change, which resonator has an at least partially adhesive surface contacting said sample fluid. The invention is characterized by preincubation of said surface with a preincubation fluid containing blood components, which preincubation fluid has a known way of interacting with the coagulation system, thus resulting in anchoring sites to be formed on the adhesive areas of said surface.
    • 本发明涉及一种用于通过谐振器测定含有血液成分的样品流体的凝固时间的方法,所述共振器的振动参数被测量,然后用作确定样品流体粘度变化的基础,该共振器具有至少部分粘合剂 表面接触所述样品流体。 本发明的特征在于,所述表面用含有血液成分的预温育液预温育,其中预温育液体具有已知的与凝固系统相互作用的方式,从而导致待形成在所述表面的粘合区域上的锚固部位。
    • 99. 发明授权
    • Detection sensor and resonator of detection sensor
    • 检测传感器和谐振器的检测传感器
    • US08258675B2
    • 2012-09-04
    • US13096409
    • 2011-04-28
    • Tsuyoshi IkeharaMitsuo KonnoTakashi Mihara
    • Tsuyoshi IkeharaMitsuo KonnoTakashi Mihara
    • H01L41/08
    • G01N5/02G01N1/405G01N29/036G01N33/0031G01N2291/0256
    • A detection sensor (10) includes: plural beam-like resonators (30A, 30B), a vibration characteristic of which changes according to adsorption or sticking of a substance having a mass and one end of each of which is fixed; a driving unit (40) that vibrates the resonators; and a detecting unit (40) that detects a change in the vibration in the resonators to detect the substance. The plural resonators have lengths different from one another. When the length of an arbitrary resonator is represented as L, a difference ΔL between the length L and the length of the other resonators is set to satisfy the following condition: 2(ΔL/L)>1/Q (Q represents a Q factor of the resonators). The driving unit vibrates the respective plural resonators at frequencies corresponding to resonant frequencies of the resonators.
    • 检测传感器(10)包括:多个束状谐振器(30A,30B),其振动特性根据其质量和一端固定的物质的吸附或粘附而变化; 使所述谐振器振动的驱动单元(40); 以及检测单元(40),其检测所述谐振器中的振动的变化以检测所述物质。 多个谐振器具有彼此不同的长度。 当任意谐振器的长度表示为L时,将长度L与其他谐振器的长度之间的差Dgr; L设定为满足以下条件:2(&Dgr; L / L)> 1 / Q 表示谐振器的Q因子)。 驱动单元以对应于谐振器的谐振频率的频率振动相应的多个谐振器。
    • 100. 发明申请
    • DETERMINATION OF FRACTIONAL COMPOSITIONS USING NONLINEAR SPECTROPHONOMETRY
    • 使用非线性光谱测定法确定部分成分
    • US20120197545A1
    • 2012-08-02
    • US13322489
    • 2010-05-28
    • David BurnsJonathan Dion
    • David BurnsJonathan Dion
    • G06F19/00G01N31/00
    • G01N29/036G01N29/46G01N2291/011G01N2291/0224
    • Applicants have discovered new methods and apparatuses for determining the fractional composition of a component in a multi-component mixture using multivariate statistical analysis of the ultrasonic frequency profile. Applicants show the use of ultrasonic spectrophonometry to determine the fractional composition of a component in a 3-component solvent mixture comprising water, ethanol and methanol as well as determination of the fractional composition of certain contaminants in water. Applicants provide a method of determining a fractional composition of a component in a multi-component mixture comprising pulsing a mixture with a source of ultrasounds, detecting “non-linear” ultrasonic spectral data propagating through the mixture and computing the fractional composition of the component.
    • 申请人已经发现了使用超声波频率分布的多变量统计分析来确定多组分混合物中组分的分数组成的新方法和装置。 申请人显示使用超声波分光光度法来测定包含水,乙醇和甲醇的3组分溶剂混合物中组分的分数组成,以及测定水中某些污染物的分数组成。 申请人提供了一种确定多组分混合物中组分的分数组成的方法,包括将脉冲与超声波源混合,检测通过混合物传播的“非线性”超声频谱数据并计算组分的分数组成。