Light control device and light control method
    11.
    发明授权
    Light control device and light control method 有权
    灯光控制装置及灯光控制方式

    公开(公告)号:US08441709B2

    公开(公告)日:2013-05-14

    申请号:US13141104

    申请日:2009-12-24

    IPC分类号: G02F1/01 G02B26/00

    摘要: A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light modulator 30 is a phase modulating spatial light modulator, includes a plurality of two-dimensionally arrayed pixels, is capable of phase modulation in each of these pixels in a range of 4π or more, and presents a phase pattern to modulate the phase of light in each of the pixels. This phase pattern is produced by superimposing a blazed grating pattern for light diffraction and a phase pattern having a predetermined phase modulation distribution, and with a phase modulation range of 2π or more.

    摘要翻译: 光控制装置1包括光源10,棱镜20,空间光调制器30,驱动单元31,控制单元32,透镜41,孔42和透镜43.空间光调制器30是 包括多个二维排列的像素的相位调制空间光调制器能够在4pi或更大的范围内在这些像素的每一个中进行相位调制,并且呈现相位图案以调制每个像素中的每一个中的相位 像素。 该相位图案通过叠加用于光衍射的闪耀光栅图案和具有预定相位调制分布的相位图案,并且相位调制范围为2pi或更大来产生。

    LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD
    12.
    发明申请
    LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD 有权
    光控制装置和灯控制方法

    公开(公告)号:US20110317237A1

    公开(公告)日:2011-12-29

    申请号:US13141556

    申请日:2009-12-24

    IPC分类号: G02F1/21

    摘要: A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light modulator 30 is a phase modulating spatial light modulator, includes a plurality of two-dimensionally arrayed pixels, is capable of phase modulation in each of these pixels in a range of 4π, and presents a phase pattern to modulate the phase of light in each of the pixels. This phase pattern is produced by superimposing a blazed grating pattern for light diffraction with a phase modulation range of 2π or less and a phase pattern having a predetermined phase modulation distribution with a phase modulation range of 2π or less.

    摘要翻译: 光控制装置1包括光源10,棱镜20,空间光调制器30,驱动单元31,控制单元32,透镜41,孔42和透镜43.空间光调制器30是 包括多个二维排列的像素的相位调制空间光调制器能够在4&pgr的范围内的这些像素中的每一个中进行相位调制,并且呈现相位图案以调制每个像素中的光的相位 。 该相位图案通过将相位调制范围为2&pgr的光衍射的闪耀光栅图案叠加而产生。 具有相位调制范围为2& pgr的预定相位调制分布的相位图案; 或更少。

    LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD
    13.
    发明申请
    LIGHT CONTROL DEVICE AND LIGHT CONTROL METHOD 有权
    光控制装置和灯控制方法

    公开(公告)号:US20110273759A1

    公开(公告)日:2011-11-10

    申请号:US13141104

    申请日:2009-12-24

    IPC分类号: G02B26/06

    摘要: A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light modulator 30 is a phase modulating spatial light modulator, includes a plurality of two-dimensionally arrayed pixels, is capable of phase modulation in each of these pixels in a range of 4π or more, and presents a phase pattern to modulate the phase of light in each of the pixels. This phase pattern is produced by superimposing a blazed grating pattern for light diffraction and a phase pattern having a predetermined phase modulation distribution, and with a phase modulation range of 2π or more.

    摘要翻译: 光控制装置1包括光源10,棱镜20,空间光调制器30,驱动单元31,控制单元32,透镜41,孔42和透镜43.空间光调制器30是 包括多个二维阵列像素的相位调制空间光调制器能够在4&pgr的范围内的这些像素中的每一个相位调制; 或更多,并且呈现相位图案以调制每个像素中的光的相位。 该相位图案通过叠加用于光衍射的闪耀光栅图案和具有预定相位调制分布的相位图案,并且相位调制范围为2& pgr; 或者更多。

    Power converting apparatus
    15.
    发明授权
    Power converting apparatus 失效
    电力转换装置

    公开(公告)号:US5933341A

    公开(公告)日:1999-08-03

    申请号:US987710

    申请日:1997-12-09

    摘要: A power converting apparatus is comprised of an inverter unit arranged by a switching semiconductor element 51a for an upper arm and another switching semiconductor element 51d for a lower arm, and for turning ON/OFF the switching semiconductor elements to thereby convert DC power inputted from a DC power supply into AC power; and control means 10a for judging as to whether or not an abnormal operation is present based upon an output of a comparator 11a for judging as to whether or not a detection voltage detected by a voltage detecting circuit 61 is substantially equal to a voltage of the positive polarity; an output of a comparator 11b for judging as to whether or not a detection voltage detected by the voltage detecting circuit 61 is substantially equal to a voltage of the negative polarity; and an output signal of an igniting signal for ON/OFF-controlling the switching semiconductor elements, this voltage detecting circuit 61 detecting an output voltage of the inverter unit via a voltage dividing resistor, while using as a reference a potential at the positive polarity of the DC power supply, or a potential at the negative polarity thereof.

    摘要翻译: 电力转换装置包括由用于上臂的切换半导体元件51a和用于下臂的另一个切换半导体元件51d布置的逆变器单元,并且用于接通/断开开关半导体元件,从而将从 直流电源进入交流电源; 以及控制装置10a,用于基于比较器11a的输出来判断是否存在异常操作,用于判断由电压检测电路61检测到的检测电压是否大致等于正的电压 极性; 比较器11b的输出,用于判断由电压检测电路61检测的检测电压是否与负极性的电压基本相等; 以及用于对开关半导体元件进行ON / OFF控制的点火信号的输出信号,该电压检测电路61通过分压电阻检测逆变器单元的输出电压,同时以正极为正电位的电位 直流电源或其负极性的电位。

    Power converting apparatus with drive signal path impedance increasing
circuitry
    16.
    发明授权
    Power converting apparatus with drive signal path impedance increasing circuitry 有权
    具有驱动信号路径阻抗增加电路的电力转换装置

    公开(公告)号:US6049475A

    公开(公告)日:2000-04-11

    申请号:US171708

    申请日:1999-04-06

    IPC分类号: H02M7/5387 H03K17/16

    CPC分类号: H02M7/538 H03K17/16

    摘要: A power converting apparatus is obtained in which an integrated circuit for driving a power switching element is operated under stable conditions. A core 100 functioning as a common mode transformer made of a material such as ferrite is connected to a wiring line connected between a switch 7, a switch 8, and an IC 13 for opening/closing these switches 7 and 8 in a complementary manner, so that an impedance of a current path to the switch 7 and the IC 13 is increased.

    摘要翻译: PCT No.PCT / JP97 / 00863 Sec。 371日期1999年4月6日 102(e)日期1999年4月6日PCT 1997年3月18日PCT公布。 WO98 / 42068 PCT公开 日期:1998年9月24日获得用于驱动功率开关元件的集成电路在稳定条件下工作的电力转换装置。 作为由诸如铁氧体的材料制成的共模变压器的铁芯100被连接到连接在开关7,开关8和IC 13之间的布线,用于互补地打开/关闭这些开关7和8, 使得到开关7和IC 13的电流路径的阻抗增加。

    Ground fault detector for an inverter and a method therefor
    17.
    发明授权
    Ground fault detector for an inverter and a method therefor 失效
    用于逆变器的地面故障检测器及其方法

    公开(公告)号:US5214575A

    公开(公告)日:1993-05-25

    申请号:US807514

    申请日:1991-12-16

    摘要: An apparatus and method for detecting a ground fault occurring on an output side of an inverter circuit, which includes a converter circuit for rectifying an alternating current into a direct current, a capacitor for smoothing the direct current, an inverter circuit for converting the smoothed direct current into a predetermined frequency and voltage through the on/off operation of switching elements connected in parallel with diodes, and a PWM signal generator for controlling the on/off of the switching elements. The ground fault detector includes current detectors for detecting current flowing in the switching elements, a device for detecting an overcurrent flowing from one of the switching elements and for outputting an overcurrent signal when the output of any of the current detectors exceeds a predetermined value, a device for detecting a zero vector signal transmitted by the PWM signal generator, and a ground fault detector circuit for detecting a ground fault condition in accordance with the overcurrent signal and the zero vector detection signal.

    Control device for a PWM controlled converter having a voltage controller
    20.
    发明授权
    Control device for a PWM controlled converter having a voltage controller 失效
    具有电压控制器的PWM控制转换器的控制装置

    公开(公告)号:US5880947A

    公开(公告)日:1999-03-09

    申请号:US849166

    申请日:1997-08-07

    IPC分类号: H02M7/219 H02M5/42

    摘要: A control device for a PWM controlled converter having a voltage control portion for comparing with a voltage set value a detected value of a DC voltage output from the PWM controlled converter, connected through reactors to a 3-phase AC power source, for controlling AC input currents supplied from the 3-phase AC power source, to thereby produce current reference signals; an AC reference signal generating portion for generating AC reference signals synchronized with the 3-phase AC power source; a current instruction portion for producing current instruction signals formed by varying the amplitudes of the AC reference signals output from the AC reference signal generating portion in accordance with the current reference signals, and a current control portion for producing control signals to the PWM controlled converter so that the AC input currents vary as instructed by the current instruction signals. The control device portion produces control signals based on a proportional control for a predetermined period after the control starts, and produces other control signals based on a proportional integration control after the predetermined period is terminated.

    摘要翻译: PCT No.PCT / JP96 / 02742 Sec。 371日期1997年8月7日 102(e)日期1997年8月7日PCT提交1996年9月24日PCT公布。 公开号WO97 / 12437 日期1997年4月3日,一种用于PWM控制转换器的控制装置,具有电压控制部分,用于将从电抗器输出的直流电压的检测值与电压设定值进行比较,所述转换器通过反应器连接到三相交流电源 用于控制从三相AC电源提供的AC输入电流,从而产生电流参考信号; 交流参考信号产生部分,用于产生与三相交流电源同步的交流参考信号; 用于产生通过根据当前参考信号改变从AC参考信号产生部分输出的AC参考信号的幅度而形成的电流指令信号的电流指令部分,以及用于向PWM控制转换器产生控制信号的电流控制部分 AC输入电流根据当前指令信号的指示而变化。 控制装置部在控制开始后的规定时间内,根据比例控制生成控制信号,在规定期间终止后,基于比例积分控制产生其他的控制信号。