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    • 1. 发明授权
    • DC offset estimation and compensaton for wideband systems
    • 宽带系统的直流偏移估计和补偿
    • US08953716B1
    • 2015-02-10
    • US13611731
    • 2012-09-12
    • GuruGuha VenkatasubramanianBalasubramanian Ramachandran
    • GuruGuha VenkatasubramanianBalasubramanian Ramachandran
    • H03K9/00
    • H04L25/061
    • Systems, methods, and other embodiments associated with a DC notch gear filter are described. According to one embodiment, an apparatus includes a digital high pass filter having a cutoff frequency and a gear mechanism configured to successively change the cutoff frequency of the high pass filter based on a sequence of cutoff frequencies. The apparatus also includes a direct current (DC) estimator configured to estimate a DC offset of a digital input signal to the high pass filter based, at least in part, on an output signal of the high pass filter as a cutoff frequency is successively changed. A direct current (DC) compensator is configured to subtract the estimated DC offset from the input signal to the high pass filter.
    • 描述了与直流凹口齿轮过滤器相关联的系统,方法和其它实施例。 根据一个实施例,一种装置包括具有截止频率和齿轮机构的数字高通滤波器,其被配置为基于截止频率序列连续改变高通滤波器的截止频率。 该装置还包括直流(DC)估计器,其被配置为至少部分地基于高通滤波器的输出信号来估计数字输入信号对高通滤波器的DC偏移,因为截止频率被连续地改变 。 直流(DC)补偿器被配置为从估计的直流偏移从输入信号减去高通滤波器。
    • 2. 发明授权
    • Lamp with internal fuse system
    • 带内部保险丝系统的灯
    • US08217574B2
    • 2012-07-10
    • US12753532
    • 2010-04-02
    • Balasubramanian RamachandranNyi Oo MyoJoseph M. RanishAkio Takahashi
    • Balasubramanian RamachandranNyi Oo MyoJoseph M. RanishAkio Takahashi
    • H01K1/66H01K1/62
    • H01K1/66
    • Embodiments of a lamp having an internal fuse system are provided herein. In some embodiments, a lamp may include a transparent housing; a filament disposed in the housing, the filament having a main body disposed between a first end and a second end of the filament; a first conductor coupled to the filament at the first end of the filament; a first interceptor bar disposed in the housing and beneath the main body of the filament, wherein the first interceptor bar is coupled to the second end of the filament; a second conductor disposed proximate the first end of the filament and conductively coupled to the second end of the filament via the first interceptor bar, wherein the first interceptor bar is positioned such that an electrical short forms between the first and second conductors when the main body of the filament contacts the first interceptor bar.
    • 本文提供具有内部熔丝系统的灯的实施例。 在一些实施例中,灯可以包括透明外壳; 布置在所述壳体中的细丝,所述细丝具有设置在所述细丝的第一端和第二端之间的主体; 在灯丝的第一端处耦合到灯丝的第一导体; 设置在所述壳体中并在所述灯丝主体下方的第一拦截棒,其中所述第一拦截杆连接到所述灯丝的第二端; 第二导体,其设置在灯丝的第一端附近并且经由第一拦截棒与导电丝的第二端导电连接,其中第一拦截棒被定位成使得当主体 的灯丝接触第一拦截棒。