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    • 2. 发明授权
    • Railway vehicle with variable trim body
    • 铁路车辆与可变修剪体
    • US5564342A
    • 1996-10-15
    • US519043
    • 1995-08-24
    • Claudio CasettaPaolo GattiBruno Parussatti
    • Claudio CasettaPaolo GattiBruno Parussatti
    • B61F5/24B60G99/00B61F5/22B61F5/00
    • B61F5/22
    • A railway vehicle having a variable trim body, comprising two bogies with respective swinging transverse members pivotally connected to the body, and a control system for controlling roll of the body about its longitudinal axis, by use of linear actuators interposed between the swinging transverse members and the opposite sides of the body and operated through a regulation electronic unit connected to a first transducer device detecting the non-compensated centrifugal acceleration acting on the body, and to a second transducer device comprising at least two angular transducers for detecting the momentary relative angle between each swinging transverse member and the body.
    • 一种具有可变装饰体的铁路车辆,包括两个转向架,所述两个转向架具有可枢转地连接到车身的相应的摆动横向构件,以及控制系统,用于通过使用插入在摆动横向构件之间的线性致动器和围绕其纵向轴线 身体的相对侧并且通过连接到检测作用在身体上的非补偿离心加速度的第一换能器装置的调节电子单元操作,以及包括至少两个角度换能器的第二换能器装置,用于检测第二换能器装置之间的瞬时相对角度 每个摆动的横向构件和身体。
    • 4. 发明授权
    • Variable-gain differential amplifier
    • 可变增益差分放大器
    • US07400195B2
    • 2008-07-15
    • US11404585
    • 2006-04-14
    • Paolo Gatti
    • Paolo Gatti
    • H03F3/45
    • H03F3/45475
    • A variable-gain amplifier with high input impedance includes positive and negative inputs, positive and negative outputs, first and second differential circuits and first, second and third impedances. The impedances form an impedance bridge between the outputs. The first and second differential circuits each have one input coupled to one of the inputs of the differential amplifier, one input coupled to the impedance bridge, and two outputs connected to the outputs of the differential amplifier. At least one of the impedances is a variable impedance.
    • 具有高输入阻抗的可变增益放大器包括正和负输入,正负输出,第一和第二差分电路以及第一,第二和第三阻抗。 阻抗在输出之间形成阻抗桥。 第一差分电路和第二差分电路各自具有耦合到差分放大器的一个输入的一个输入,耦合到阻抗桥的一个输入和连接到差分放大器的输出的两个输出。 阻抗中的至少一个是可变阻抗。
    • 5. 发明申请
    • Differential amplifier with two outputs and a single input of improved linearity
    • 差分放大器具有两路输出和单路输入,线性度提高
    • US20050218981A1
    • 2005-10-06
    • US11096798
    • 2005-03-31
    • Paolo GattiMarc Sabut
    • Paolo GattiMarc Sabut
    • H03F3/45
    • H03F3/45475H03F3/45179H03F2203/45521
    • A differential amplifier having a first and second output terminals and receiving an input signal at an input terminal. The amplifier comprises a first amplifier having a first input connected to the input terminal, a second input and a first output connected together to the first output terminal, and a second output connected to the second output terminal, the first amplifier reproducing the input signal on the first output. The amplifier comprises a second amplifier having a first input receiving a reference signal and a second input connected to the output terminals by resistive elements and controlling the provision by the first amplifier on the second output of a signal such that the signals received at the first and second inputs of the second amplifier are equal.
    • 一种具有第一和第二输出端并在输入端接收输入信号的差分放大器。 放大器包括:第一放大器,其具有连接到输入端的第一输入端,第二输入端和与第一输出端子连接在一起的第一输出端,​​以及连接到第二输出端子的第二输出端,第一放大器将输入信号再现在 第一个输出。 所述放大器包括具有接收参考信号的第一输入端的第二放大器和由电阻元件连接到所述输出端子的第二输入端,并且控制所述第一放大器在所述第二输出端提供的信号,使得在所述第一和 第二放大器的第二输入相等。
    • 8. 发明申请
    • Variable-gain differential amplifier
    • 可变增益差分放大器
    • US20060232336A1
    • 2006-10-19
    • US11404585
    • 2006-04-14
    • Paolo Gatti
    • Paolo Gatti
    • H03F3/45
    • H03F3/45475
    • A variable-gain amplifier with high input impedance includes positive and negative inputs, positive and negative outputs, first and second differential circuits and first, second and third impedances. The impedances form an impedance bridge between the outputs. The first and second differential circuits each have one input coupled to one of the inputs of the differential amplifier, one input coupled to the impedance bridge, and two outputs connected to the outputs of the differential amplifier. At least one of the impedances is a variable impedance.
    • 具有高输入阻抗的可变增益放大器包括正和负输入,正负输出,第一和第二差分电路以及第一,第二和第三阻抗。 阻抗在输出之间形成阻抗桥。 第一差分电路和第二差分电路各自具有耦合到差分放大器的一个输入的一个输入,耦合到阻抗桥的一个输入和连接到差分放大器的输出的两个输出。 阻抗中的至少一个是可变阻抗。