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    • 4. 发明授权
    • Op-R, a solid state filter
    • Op-R,固态滤波器
    • US08354880B2
    • 2013-01-15
    • US12653982
    • 2009-12-22
    • Gerald Theodore Volpe
    • Gerald Theodore Volpe
    • H03K5/00
    • H03H11/00H03F3/45475H03F2203/45528H03H11/04
    • The device described herein proposes an electronic active filter void of capacitors and inductors. The circuit utilizes only operational amplifiers (Op-Amps) and resistors, hence the name Op-R. Although capable of being constructed of lumped circuit elements this filter is intended for integrated circuit (IC) applications. Filtering of signals can be accommodated sub-audio through the video frequency range depending on the selected op-amp ICs. Low pass, band pass, high pass, as well as ban reject frequency responses are achievable. Although the circuits described herein are single input-single output, multiple inputs and outputs present no difficulty, being limited only by chip space. Temperature and production spread variations are also considered within the realm of tenability.
    • 本文所述的装置提出了一种无电容器和电感器的电子有源滤波器。 该电路仅使用运算放大器(Op-Amps)和电阻器,因此名称为Op-R。 虽然能够由集总电路元件构成,但该滤波器适用于集成电路(IC)应用。 根据所选择的运算放大器IC,信号的滤波可以通过视频范围进行子音频。 低通,带通,高通,以及禁止拒绝频率响应都是可以实现的。 虽然这里描述的电路是单输入单输出,但是多个输入和输出毫无困难,仅受芯片空间的限制。 温度和生产传播差异也被认为是可承受的范围。
    • 7. 发明授权
    • Op-R, a solid state filter
    • Op-R,固态滤波器
    • US08633760B2
    • 2014-01-21
    • US13706053
    • 2012-12-05
    • Rafaela Volpe
    • Gerald T. Volpe
    • H03K5/00
    • H03H11/00H03F3/45475H03F2203/45528H03H11/04
    • The device described herein proposes an electronic active filter void of capacitors and inductors. The circuit utilizes only operational amplifiers (OP-Amp) and resistors, hence the name Op-R. Although capable of being constructed of lumped circuit elements this filter is intended for integrated circuit (IC) applications. Filtering of signals can be accommodated from dc through the UHF frequency range depending on the selected op-amp ICs. Low pass, band pass, high pass, as well as band reject frequency responses are achievable. Although the circuits described herein are single input-single output, multiple inputs and outputs present no difficulty, being limited only chip space. Temperature and production spread variations are also considered within the realm of tenability.
    • 本文所述的装置提出了一种无电容器和电感器的电子有源滤波器。 该电路仅使用运算放大器(OP-Amp)和电阻器,因此名称为Op-R。 虽然能够由集总电路元件构成,但该滤波器适用于集成电路(IC)应用。 根据选定的运算放大器IC,信号的滤波可以从直流到UHF频率范围进行调节。 可以实现低通,带通,高通,以及带阻频率响应。 虽然这里描述的电路是单输入单输出,但是多个输入和输出没有困难,仅限于芯片空间。 温度和生产传播差异也被认为是可承受的范围。
    • 8. 发明公开
    • Procédé et dispositif de filtrage anti-à-coups pour véhicule automobile
    • Filterungsverfahren und Einrichtung zur Vermeidung von RuckbewegungenfürKraftfahrzeuge
    • EP2149987A1
    • 2010-02-03
    • EP09305616.6
    • 2009-06-29
    • RENAULT S.A.S.
    • Cordesses, LionelMarsilia, MarcoFerreira de Araujo, Manoela
    • H03H7/24
    • H03H11/0405H03H11/00
    • Dispositif de filtrage pour atténuer les variations d'un paramètre d'un système appartenant à un véhicule automobile, caractérisé en ce qu 'il comprend un filtrage non linéaire comprenant au moins deux éléments non linéaires (NL1) (10), (NL2) (11) qui permettent de faire changer la bande passante du filtre selon que le signal d'entrée monte ou descend, le filtre pouvant se représenter dans les deux cas par un filtrage du second ordre basé sur la fonction de transfert H'(s) suivante, H ʹ s = 1 1 + 2 ⁢ ξ ω 0 ⁢ s + s 2 ω 0 2
      H'(s) peut aussi s'écrire de la façon suivante : H ʹ s = L s 1 + L s avec L s = 2 ⁢ ξ ω 0 ⁢ s + s 2 ω 0 2 - 1
      Soit L(s) réécrit dans la forme suivante : L s = K ⋅ 1 s ⋅ 1 1 + τ ⁢ s avec K = ω 0 2 ⁢ ξ et τ = 1 2 ⁢ ξ ⁢ ω 0
    • 该装置具有包括根据上升或下降输入信号(e)改变非线性低通滤波器的带宽的两个非线性元件(10,11)的非线性滤波。 基于由参数截止频率和阻尼构成的传递函数,通过二次滤波来表示滤波器。 非线性元件(10)被布置在器件的输入端,并且通过构成诸如输入信号和增益的参数的特定公式来确定输入信号的大小。 还包括用于衰减机动车辆的冲击力的方法的独立权利要求。
    • 10. 发明授权
    • Induced signal removing circuit
    • 诱导信号去除电路
    • US09276559B2
    • 2016-03-01
    • US13980377
    • 2012-01-27
    • Hiroshi Yamashita
    • Hiroshi Yamashita
    • H03H11/00H04R3/00
    • H03H11/00H04R3/00H04R2400/00
    • [Object] To provide an induced signal removing circuit that feeds back induced voltage regarded as electrical signals into the input side of an inductive load to remove the induced voltage from the metal part, the induced voltage appearing even across an insulated metal part in response to signals input to the inductive load.[Solution to Problem] An induced signal removing circuit for removing induced signals generated in a metal part in response to electrical signals input to an inductive load, including: an input terminal connected to the metal part insulated from the inductive load, the input terminal receiving the induced signals; two output terminals connected to an input side of the inductive load, the input side receiving the electrical signals, the output terminals outputting the induced signals received from the input terminal; and a signal flow controller between the input terminal and each output terminal, the controller causing the induced signals to flow in only one direction from the input terminal to either output terminal.
    • 为了提供感应信号去除电路,其将被认为是电信号的感应电压反馈到电感负载的输入侧以去除金属部分的感应电压,响应于绝缘金属部件的感应电压, 信号输入到感性负载。 [问题的解决方案]一种感应信号去除电路,用于响应于输入到感性负载的电信号,去除在金属部件中产生的感应信号,包括:连接到与感性负载绝缘的金属部分的输入端子,输入端子接收 感应信号; 两个输出端连接到感性负载的输入侧,输入端接收电信号,输出端输出从输入端接收的感应信号; 以及在输入端子和每个输出端子之间的信号流控制器,控制器使得感应信号仅在一个方向上从输入端子流到任一输出端子。