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    • 4. 发明授权
    • Method for the detection of pulsed laser radiation and imaging laser alerter
    • 用于检测脉冲激光辐射和成像激光报警器的方法
    • US09571802B2
    • 2017-02-14
    • US13935864
    • 2013-07-05
    • EADS DEUTSCHLAND GmbH
    • Stefan ScherbarthOliver Rudow
    • G01C21/02H04N7/18G01S3/784G01S7/48G01S7/486
    • H04N7/183G01S3/784G01S7/4804G01S7/4863
    • Method for detecting pulsed laser radiation having two-dimensional resolution of the direction of incidence with a CCD sensor having an imaging optic. Method includes generating, in signal processing having sampling frequency of at least 5 kHz, single images by comparing each pixel of CCD sensor to respective threshold values and by storing a pixel value exceeding the respective threshold value for an image processing, ascertaining, in the signal processing, a mean or peak value of stored pixel values of the single image pixel-by-pixel over at least 10 samples, forwarding a signal image obtained in signal processing for image processing at image frequency of 10 Hz to 500 Hz, and identifying from signal image, in an image processing, at least one signal pixel representing incident laser radiation. Method further includes determining direction of incidence of laser radiation from position of signal pixels on signal image.
    • 用具有成像光学元件的CCD传感器检测具有入射方向的二维分辨率的脉冲激光辐射的方法。 方法包括通过将CCD传感器的每个像素与相应的阈值进行比较,并且通过存储超过用于图像处理的相应阈值的像素值来在具有至少5kHz的采样频率的信号处理中产生单个图像,以在信号中确定 处理,在至少10个样本中逐像素地存储单个图像的存储像素值的平均值或峰值,将在图像处理的信号处理中获得的信号图像转发到图像频率为10Hz至500Hz,并从 信号图像,在图像处理中,至少一个表示入射激光辐射的信号像素。 方法还包括从信号图像上的信号像素的位置确定激光辐射的入射方向。
    • 5. 发明授权
    • Electric circuit with power amplifier for piezoelectric actuators
    • 具有压电执行器功率放大器的电路
    • US09484843B2
    • 2016-11-01
    • US14067148
    • 2013-10-30
    • AIRBUS HELICOPTERS DEUTSCHLAND GMBHEADS DEUTSCHLAND GMBH
    • Boris GrohmannStefan Storm
    • H01L41/09H02N2/06B64C27/00B64C27/72
    • H02N2/065B64C27/001B64C2027/7283Y02T50/34
    • An electric circuit with one power amplifier (V1) for at least two piezoelectric actuators (C1, C2), said piezoelectric actuators (C1, C2) being in preferably antagonist arrangement connected mechanically in series and being connected electrically with each other and operated or clocked by a control circuit, such as a pulse modulator circuit, for time-variant energizing of the piezoelectric actuators (C1, C2) in push-pull fashion, said power amplifier (V1) being connected to a junction point between the two piezoelectric actuators (C1, C2), characterized in that said power amplifier (V1) is connected to a one directional diode (D1) and in that two buffer capacitors (C3, C4) and two static resistors (R3, R4) are provided downstream the one directional diode (D1) with regard to the power amplifier (V1).
    • 具有用于至少两个压电致动器(C1,C2)的一个功率放大器(V1)的电路,所述压电致动器(C1,C2)优选地是串联连接并且彼此电连接并且被操作 通过诸如脉冲调制器电路的控制电路,用于以推挽方式对压电致动器(C1,C2)进行时变激励,所述功率放大器(V1)连接到两个压电致动器之间的连接点 C1,C2),其特征在于,所述功率放大器(V1)连接到单向二极管(D1),并且在一个方向下游提供两个缓冲电容器(C3,C4)和两个静态电阻器(R3,R4) 关于功率放大器(V1)的二极管(D1)。