Methods and systems for controlling LEDs
    51.
    发明授权
    Methods and systems for controlling LEDs 有权
    控制LED的方法和系统

    公开(公告)号:US09414460B2

    公开(公告)日:2016-08-09

    申请号:US14039688

    申请日:2013-09-27

    CPC classification number: H05B33/089

    Abstract: The present invention relates to an electronic device, the electronic device comprising at least one LED, a driving unit for applying a driving algorithm for driving the LED during normal operation, and a measurement unit for determining a forward voltage of the LED by imposing a test current to the LED, the measurement unit being programmed for determining test current characteristics taking into account said driving algorithm.

    Abstract translation: 电子设备技术领域本发明涉及一种电子设备,该电子设备包括至少一个LED,用于在正常操作期间施加用于驱动LED的驱动算法的驱动单元和用于通过施加测试来确定LED的正向电压的测量单元 电流到LED,测量单元被编程用于考虑所述驱动算法来确定测试电流特性。

    IR SENSOR FOR IR SENSING BASED ON POWER CONTROL
    52.
    发明申请
    IR SENSOR FOR IR SENSING BASED ON POWER CONTROL 有权
    基于功率控制的红外感应红外传感器

    公开(公告)号:US20160169738A1

    公开(公告)日:2016-06-16

    申请号:US14964927

    申请日:2015-12-10

    Abstract: A semiconductor device for measuring IR radiation is disclosed. It comprises a substrate and a cap enclosing a cavity, a sensor pixel in the cavity, comprising a first absorber for receiving said IR radiation, a first heater, first temperature measurement means for measuring a first temperature; a reference pixel in the same cavity, comprising a second absorber shielded from said IR radiation, a second heater, and second temperature measurement means for measuring a second temperature; a control circuit for applying a first/second power to the first/second heater such that the first temperature equals the second temperature; and an output circuit for generating an output signal indicative of the IR radiation based on a difference between the first and second power.

    Abstract translation: 公开了一种用于测量IR辐射的半导体器件。 它包括衬底和封闭空腔的盖,空腔中的传感器像素,包括用于接收所述IR辐射的第一吸收体,第一加热器,用于测量第一温度的第一温度测量装置; 相同空腔中的参考像素,包括屏蔽所述IR辐射的第二吸收体,第二加热器和用于测量第二温度的第二温度测量装置; 控制电路,用于将第一/第二功率施加到第一/第二加热器,使得第一温度等于第二温度; 以及输出电路,用于基于第一和第二功率之间的差产生指示IR辐射的输出信号。

    METHOD FOR HERMETICALLY SEALING WITH REDUCED STRESS
    53.
    发明申请
    METHOD FOR HERMETICALLY SEALING WITH REDUCED STRESS 有权
    降低应力的人造密封方法

    公开(公告)号:US20160159639A1

    公开(公告)日:2016-06-09

    申请号:US14903709

    申请日:2014-07-09

    Abstract: An electronic device comprising a first substrate having a device area, a first sealing element comprising an anelastic material and a second sealing element being a metal. The first sealing means and the second sealing means are arranged such that the inner side or the outer side of the sealing is completely formed by the second sealing element providing hermiticity and the other side is substantially formed by the first sealing element providing a flexible sealing.

    Abstract translation: 一种电子装置,包括具有装置区域的第一基板,包括非弹性材料的第一密封元件和作为金属的第二密封元件。 第一密封装置和第二密封装置被布置成使得密封件的内侧或外侧由提供密封性的第二密封元件完全形成,另一侧基本上由提供柔性密封的第一密封元件形成。

    CONTROL FOR PULSE WIDTH MODULATED DRIVEN MOTORS
    54.
    发明申请
    CONTROL FOR PULSE WIDTH MODULATED DRIVEN MOTORS 有权
    脉冲宽度调制驱动电机的控制

    公开(公告)号:US20160118917A1

    公开(公告)日:2016-04-28

    申请号:US14922329

    申请日:2015-10-26

    Inventor: Christian PAINTZ

    Abstract: A method for assisting in operating a PWM driven motor comprising for at least one phase of the PWM driven motor: generating a pulse width modulated phase voltage scheme according to a desired phase profile with a base scaling factor, by time multiplexing a first pulse and at least a further pulse within a pulse width modulation period of the phase the first pulse having a pulse width according to a first profile, for that rotor position, multiplied with a first scaling factor, the first profile being in phase with the desired phase profile, and the at least a further pulse having a pulse width corresponds with a further profile, for that rotor position, multiplied with a further scaling factor, the further profile being not in phase with the desired phase profile, whereby the first pulse and the at least one further pulse are positioned within the pulse width modulation period of the phase in at least partially non-overlapping way.

    Abstract translation: 一种用于辅助PWM驱动电机的操作的方法,所述PWM驱动电动机包括用于所述PWM驱动电动机的至少一个相位的步骤:通过对第一脉冲进行时间复用并根据所需的相位曲线产生具有基准比例因子的脉宽调制相电压方案 所述相位的脉冲宽度调制周期内的至少一个脉冲具有与所述转子位置相对应的第一轮廓的脉冲宽度乘以第一缩放因子的第一脉冲,所述第一轮廓与期望的相位轮廓同相, 并且具有脉冲宽度的至少另外的脉冲对应于另一个轮廓,对于该转子位置乘以另外的比例因子,另外的轮廓与期望的相位轮廓不同相,由此第一脉冲和至少 至少部分不重叠的方式将一个另外的脉冲定位在相位的脉冲宽度调制周期内。

    VERTICAL HALL SENSORS WITH REDUCED OFFSET ERROR
    55.
    发明申请
    VERTICAL HALL SENSORS WITH REDUCED OFFSET ERROR 有权
    具有减少偏移误差的垂直霍尔传感器

    公开(公告)号:US20160111631A1

    公开(公告)日:2016-04-21

    申请号:US14918704

    申请日:2015-10-21

    CPC classification number: H01L43/065 G01R33/07 G01R33/077 H01L43/04 H01L43/14

    Abstract: A semiconductor chip for measuring a magnetic field based on the Hall effect. The semiconductor chip comprises an electrically conductive well having a first conductivity type, in a substrate having a second conductivity type. The semiconductor chip comprises at least four well contacts arranged at the surface of the well, and having the first conductivity type. The semiconductor chip comprises a plurality of buffer regions interleaved with the well contacts and having the first conductivity type. The buffer regions are highly conductive and the buffer region dimensions are such that at least part of the current from a well contact transits through one of its neighboring buffer regions.

    Abstract translation: 一种用于基于霍尔效应测量磁场的半导体芯片。 在具有第二导电类型的衬底中,半导体芯片包括具有第一导电类型的导电阱。 半导体芯片包括布置在阱表面的至少四个阱触点,并且具有第一导电类型。 半导体芯片包括与阱触点交错并具有第一导电类型的多个缓冲区。 缓冲区域是高导电性的,并且缓冲区域尺寸使得来自阱接触点的电流的至少一部分经过其相邻缓冲区域之一。

    Magnetic field orientation sensor and angular position sensor using same
    56.
    发明授权
    Magnetic field orientation sensor and angular position sensor using same 有权
    磁场定向传感器和使用相同的角位置传感器

    公开(公告)号:US09310224B2

    公开(公告)日:2016-04-12

    申请号:US14479510

    申请日:2014-09-08

    Inventor: Christian Schott

    CPC classification number: G01D5/145 G01R33/07 G01R33/077

    Abstract: A magnetic field sensor structure having a number of inner, outer and intermediate electrodes, arranged in a particular manner, such that groups of four electrodes can be used to form horizontal Hall elements, whereby neighboring Hall elements “share” one of the two readout electrodes. Multiple Hall elements may be biased and readout simultaneously. A modulated or unmodulated readout-technique may be used. Integrated magnetic concentrator may be added to the structure. The number of Hall elements may be odd or even. The structure can be used e.g. to measure the magnetic field of a 2-pole, 4-pole or 6-pole ring or disk magnet.

    Abstract translation: 一种磁场传感器结构,其具有以特定方式布置的多个内部电极,外部电极和中间电极,使得可以使用四个电极组来形成水平霍尔元件,由此相邻的霍尔元件“共享”两个读出电极之一 。 多个霍尔元件可能被偏置并同时读出。 可以使用调制或未调制的读出技术。 集成磁选机可以添加到结构中。 霍尔元件的数量可能是奇数或偶数。 该结构可以例如使用。 以测量2极,4极或6极环或磁盘磁体的磁场。

    Infrared sensor with sensor temperature compensation
    57.
    发明授权
    Infrared sensor with sensor temperature compensation 有权
    带传感器温度补偿的红外传感器

    公开(公告)号:US09267847B2

    公开(公告)日:2016-02-23

    申请号:US14744410

    申请日:2015-06-19

    Abstract: An infrared sensor for temperature sensing comprises a cap covering a substrate; an IR-radiation filtering window in the cap transparent to IR radiation; a first sensing element comprising a set of N thermocouples on the substrate covered by the cap, whose hot junctions may receive radiation; a second sensing element comprising a set of N thermocouples on the substrate covered by the cap whose hot junctions may not receive radiation; first connection modules for connecting a number N1 of thermocouples of the first sensing element, second connection modules for connecting a number N2 of thermocouples of the second sensing; connecting means for connecting an output of the first connection modules of the first sensing element with an output of the second connection modules of the second sensing element, and an output of the combined outputs of the sensing elements.

    Abstract translation: 用于温度感测的红外传感器包括覆盖基板的盖子; IR辐射中的IR辐射过滤窗对IR辐射透明; 第一感测元件包括在由帽盖覆盖的衬底上的一组N个热电偶,其热接点可以接收辐射; 第二感测元件,包括一组N个热电偶,所述N个热电偶在所述基板上被所述盖子覆盖,所述盖子的热接头可能不接收辐射; 用于连接第一感测元件的N1个热电偶的第一连接模块,用于连接第二感测的热电偶的数量N2的第二连接模块; 连接装置,用于将第一感测元件的第一连接模块的输出与第二感测元件的第二连接模块的输出连接,以及感测元件的组合输出的输出。

    CONTROL CIRCUIT AND METHOD FOR CONTROLLING A MULTIPHASE MOTOR
    58.
    发明申请
    CONTROL CIRCUIT AND METHOD FOR CONTROLLING A MULTIPHASE MOTOR 有权
    控制电路和控制多相电动机的方法

    公开(公告)号:US20150311834A1

    公开(公告)日:2015-10-29

    申请号:US14669742

    申请日:2015-03-26

    CPC classification number: H02P6/28 H02P25/092

    Abstract: A circuit for controlling a multiphase SRM motor, comprising for each winding a low-side and a high-side transistor, and a low-side and a high-side diode for, and at least one current sensor, e.g. a single current sensor, arranged in low-side or high-side implementation for measuring a current through a first and second winding, and a controller adapted for configuring the transistors such that: during a first time slot only the first winding is energized while the second winding is freewheeling via a selected freewheeling path, during a second time slot only the second winding is energized while the first winding is freewheeling via a selected freewheeling path, and measuring the first and second current in said time slots. A method of driving said transistors.

    Abstract translation: 一种用于控制多相SRM电动机的电路,包括用于每个绕组低侧和高侧晶体管,以及用于和至少一个电流传感器的低侧和高侧二极管。 布置在低侧或高侧实施中的单电流传感器,用于测量通过第一和第二绕组的电流;以及控制器,适于配置晶体管,使得:在第一时隙期间,仅第一绕组被通电,而 第二绕组经由所选择的续流路径续流,在第二时隙期间,仅第二绕组通电,而第一绕组经由选定的续流路径续流,并测量所述时隙中的第一和第二电流。 一种驱动所述晶体管的方法。

    SEMICONDUCTOR PRESSURE SENSOR
    59.
    发明申请
    SEMICONDUCTOR PRESSURE SENSOR 审中-公开
    半导体压力传感器

    公开(公告)号:US20150311353A1

    公开(公告)日:2015-10-29

    申请号:US14735369

    申请日:2015-06-10

    CPC classification number: G01L1/18 G01L9/0055 G01L9/065 G01L19/02

    Abstract: A semiconductor pressure sensor for measuring an external pressure exerted on the sensor, comprises: a membrane; a first resistor connected between a first bias node and a first output node; a second resistor connected between said first bias node and a second output node; a first and second current source connected to the first resp. second output node for generating a differential voltage signal indicative of the external pressure to be measured. The resistors comprise piezo-resistive strips arranged in particular crystallographic directions. The circuit may have a third and four resistor pair for compensating package stress. The Piezo-resistive strips may be formed as p-doped regions within an n-well, the biasing node being electrically connected to the n-well.

    Abstract translation: 一种用于测量施加在传感器上的外部压力的半导体压力传感器,包括:膜; 连接在第一偏置节点和第一输出节点之间的第一电阻器; 连接在所述第一偏置节点和第二输出节点之间的第二电阻器; 连接到第一和第二电流源的第一和第二电流源。 第二输出节点,用于产生指示要测量的外部压力的差分电压信号。 电阻器包括布置在特定晶体方向上的压阻条。 电路可以具有用于补偿封装应力的第三和四个电阻器对。 压电阻带可以形成为n阱内的p掺杂区域,偏压节点电连接到n阱。

    Determining rotor position in sensorless switched reluctance motors
    60.
    发明授权
    Determining rotor position in sensorless switched reluctance motors 有权
    确定无传感器开关磁阻电机中的转子位置

    公开(公告)号:US09059651B2

    公开(公告)日:2015-06-16

    申请号:US13644539

    申请日:2012-10-04

    CPC classification number: H02P6/18 H02P6/186 H02P25/083 H02P25/089

    Abstract: A method for determining the position of a moving rotor in a switched reluctance motor includes the steps of applying a voltage to a phase winding of the reluctance motor, sampling a signal representative of the current magnitude in this phase winding, detecting a feature of the second temporal derivative of the signal, and determining the position of the moving rotor taking into account the occurrence of this feature. Apparatus for carrying out the method is described.

    Abstract translation: 用于确定开关磁阻电动机中的移动转子的位置的方法包括以下步骤:向所述磁阻电动机的相绕组施加电压,对表示所述相绕组中的电流大小的信号进行采样,检测所述第二 信号的时间导数,并且考虑到该特征的发生来确定移动转子的位置。 描述用于执行该方法的装置。

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