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    • 7. 发明申请
    • SINGLE THRESHOLD AND SINGLE CONDUCTIVITY TYPE LOGIC
    • 单路和单电导型逻辑
    • WO2007034384A2
    • 2007-03-29
    • PCT/IB2006053281
    • 2006-09-14
    • KONINKL PHILIPS ELECTRONICS NVVAN ACHT VICTOR M GLAMBERT NICOLAASMIJIRITSKII ANDREIWOERLEE PIERRE H
    • VAN ACHT VICTOR M GLAMBERT NICOLAASMIJIRITSKII ANDREIWOERLEE PIERRE H
    • H03K19/017H03K19/096
    • A logic assembly (400) is composed from circuit elements of a single threshold and single conductivity type and comprises a logic circuitry (410) having at least a set of switches each having a main current path and a control terminal. The main current path forms a series arrangement having first and second conducting terminals coupled to power supply lines. The main current pathes being coupled to a common note that forms an output of logic assembly (400). The control terminals of said switches being coupled to clock circuitry for providing mutually non-overlapping clock signals to said control terminal. The logic assembly further comprises an output boosting circuit (420) for boosting the output of said logic assembly (400) including a capacitive means (421) for enabling supply of additional charge to the output of said logic assembly (400). It further includes a bootstrapping circuit (422) for enabling an additional supply of charge to a first end of said capacitive means, resulting in a boosted voltage at a second end of said capacitive means.
    • 逻辑组件(400)由单个阈值和单导电类型的电路元件组成,并且包括具有至少一组开关的逻辑电路(410),每组具有主电流路径和控制端子。 主电流路径形成具有耦合到电源线的第一和第二导电端子的串联装置。 主要的电流裸片耦合到形成逻辑组件(400)的输出的公共音符。 所述开关的控制端耦合到时钟电路,用于向所述控制端提供相互不重叠的时钟信号。 逻辑组件还包括用于升压所述逻辑组件(400)的输出的输出升压电路(420),包括用于使能向所述逻辑组件(400)的输出提供附加电荷的电容装置(421)。 它还包括一个自举电路(422),用于使得能够向所述电容性装置的第一端额外提供电荷,导致在所述电容装置的第二端处的升压电压。
    • 9. 发明申请
    • EXTRACTING INERTIAL AND GRAVITATIONAL VECTOR COMPONENTS FROM ACCELERATION MEASUREMENTS
    • 提取加速度测量的惯性和粗略矢量分量
    • WO2009031064A3
    • 2009-07-02
    • PCT/IB2008053399
    • 2008-08-25
    • KONINKL PHILIPS ELECTRONICS NVYIN BINVAN ACHT VICTOR M GLAMBERT NICOLAAS
    • YIN BINVAN ACHT VICTOR M GLAMBERT NICOLAAS
    • A61B6/00A61B5/11G01C21/16G01P15/18
    • A61B5/1126A61B5/1118A61B5/1122A61B2562/0219G01C21/16
    • This invention discloses method of extracting inertial Vi and gravitational Vg acceleration vector components from acceleration vector Va = Vi + Vg measured by an accelerometer when the absolute orientation of the accelerometer coordinate system relative to the earth coordinate system varies over time. A sequence of acceleration readout vectors Va [k] from the accelerometer is received. For a given sampling moment k a temporal estimate (I)g [k] is determined for the gravitational acceleration vector Vg, the temporal estimate being determined in the accelerometer coordinate system using the acceleration readout vectors from the accelerometer. A first estimate for the inertial acceleration vector (II)i [k] is set to zero. A measure of the difference between the readout vector Va [k] and the sum of (I)g [k] + (II)i [k] is determined and a measure of the difference in length between the estimate (II)g [k] and the actual gravitational acceleration vector Vg is determined. If the determined measures do not equal substantially to zero the estimates (II)g [k] and (II)i [k] are replaced by a next improved estimate and above mentioned steps are repeated.
    • 本发明公开了当加速度计坐标系相对于地球坐标系的绝对取向随时间变化时,由加速度计测量的加速度矢量Va = Vi + Vg提取惯性Vi和重力Vg加速度矢量分量的方法。 接收来自加速度计的一系列加速度读出矢量Va [k]。 对于给定的采样时刻k,对于重力加速度矢量V g确定时间估计(I)g [k],使用来自加速度计的加速度读数矢量在加速度计坐标系中确定时间估计。 惯性加速度矢量(II)i [k]的第一估计被设置为零。 确定读出矢量Va [k]与(I)g [k] +(II)i [k]的和之间的差的度量,并且测量估计(II)g [ k]并且确定实际的重力加速度矢量Vg。 如果确定的措施不等于零,则估计(II)g [k]和(II)i [k]被替换为下一个改进的估计,并且重复上述步骤。