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    • 3. 发明授权
    • Actuating a plurality of series-connected luminous elements
    • 驱动多个串联连接的发光元件
    • US09210772B2
    • 2015-12-08
    • US13985033
    • 2012-01-26
    • Hubert Maiwald
    • Hubert Maiwald
    • H05B37/00H05B37/02H05B33/08
    • H05B37/02H05B33/0824H05B33/083
    • A circuit for actuating a plurality of light-emitting means which are connected in series, comprising a plurality of electronic switches, which can be actuated depending on a rectified system voltage. The plurality of electronic switches are arranged in parallel with at least some of the light-emitting means, wherein each of the plurality of electronic switches short-circuits on activation of at least one of the light-emitting means connected in series. At least one energy store is connected in parallel with a first group of light-emitting means during a charge phase by virtue of the electronic switches, and it is connected in parallel with a second group of light-emitting means during a discharge phase by virtue of the electronic switches.
    • 一种用于致动串联连接的多个发光装置的电路,包括多个电子开关,该电子开关可根据整流的系统电压被致动。 多个电子开关与至少一些发光装置平行布置,其中多个电子开关中的每一个在激活串联连接的至少一个发光装置时短路。 至少有一个能量存储器通过电子开关在充电阶段与第一组发光装置并联连接,并且在放电阶段期间与第二组发光装置并联连接 的电子开关。
    • 4. 发明申请
    • Actuating a Plurality of Series-Connected Luminous Elements
    • 启动多个串联连接的发光元件
    • US20130313984A1
    • 2013-11-28
    • US13985033
    • 2012-01-26
    • Hubert Maiwald
    • Hubert Maiwald
    • H05B37/02
    • H05B37/02H05B33/0824H05B33/083
    • A circuit for actuating a plurality of light-emitting means which are connected in series, comprising a plurality of electronic switches, which can be actuated depending on a rectified system voltage. The plurality of electronic switches are arranged in parallel with at least some of the light-emitting means, wherein each of the plurality of electronic switches short-circuits on activation of at least one of the light-emitting means connected in series. At least one energy store is connected in parallel with a first group of light- emitting means during a charge phase by virtue of the electronic switches, and it is connected in parallel with a second group of light-emitting means during a discharge phase by virtue of the electronic switches.
    • 一种用于致动串联连接的多个发光装置的电路,包括多个电子开关,该电子开关可根据整流的系统电压被致动。 多个电子开关与至少一些发光装置平行布置,其中多个电子开关中的每一个在激活串联连接的至少一个发光装置时短路。 至少有一个能量储存器通过电子开关在充电阶段期间与第一组发光装置并联连接,并且在放电阶段期间与第二组发光装置并联连接 的电子开关。
    • 5. 发明授权
    • Method and system for determining the orientation of magnetic fields by means of GMR sensors
    • 通过GMR传感器确定磁场取向的方法和系统
    • US06882146B2
    • 2005-04-19
    • US10332190
    • 2001-06-25
    • Hubert Maiwald
    • Hubert Maiwald
    • G01R33/09G01R33/02
    • B82Y25/00G01R33/093
    • The invention relates to a method and a system for determining the orientation of an external magnetic field by means of giant magneto-resistor (GMR) sensors. A sensor circuit is provided with two or more sub-circuits each having two GMR sensors connected in series. Three respective sensor voltages are obtained and a scaling factor is determined from differences in these voltages. An external magnetic field orientation is determined based on a scaling factor applied to the difference voltages. The inventive method enables signals from the GRM sensors to be reprocessed easily in order to compensate the temperature dependence of the signals.
    • 本发明涉及通过巨磁电阻(GMR)传感器确定外部磁场的取向的方法和系统。 传感器电路设置有两个或更多个子电路,每个子电路具有串联连接的两个GMR传感器。 获得三个相应的传感器电压,并且根据这些电压的差异确定缩放因子。 基于施加到差分电压的缩放因子来确定外部磁场取向。 本发明的方法使来自GRM传感器的信号能够容易地再处理,以补偿信号的温度依赖性。