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    • 65. 发明申请
    • Transformer with Power Factor Compensation and A DC/AC Inverter Constructed Thereby
    • 具有功率因数补偿的变压器和由此构成的直流/交流逆变器
    • US20110026286A1
    • 2011-02-03
    • US12640059
    • 2009-12-17
    • Wun-Chih LIUSzu-Hsien LIUSzu-Lin LIU
    • Wun-Chih LIUSzu-Hsien LIUSzu-Lin LIU
    • H02M7/42H01F27/29
    • H02M7/48H01F27/38H01F27/42H02J3/18H02J3/38Y02E40/30Y02P80/112
    • A transformer with power factor compensation and a DC/AC inverter constructed thereby are presented. The power factor compensation transformer includes a primary winding, a secondary winding, and a power factor compensation capacitor bank, while the secondary winding having a coupling winding and a power factor compensation winding. The primary winding connects to a power grid in parallel, the coupling winding connects to an AC output port of a passive trigger type DC/AC inverter, and the power factor compensation winding serially connects with the power factor compensation capacitor bank. Besides, a triggered switch serially connecting with the power factor compensation winding and power factor compensation capacitor bank is provided when an inductor with air gap links the passive trigger type DC/AC inverter and the coupling winding. Consequently, a function of power factor correction is achieved.
    • 提出了一种具有功率因数补偿的变压器和由此构成的直流/交流逆变器。 功率因数补偿变压器包括初级绕组,次级绕组和功率因数补偿电容器组,而次级绕组具有耦合绕组和功率因数补偿绕组。 初级绕组并联连接到电网,耦合绕组连接到无源触发型DC / AC逆变器的交流输出端口,功率因数补偿绕组与功率因数补偿电容器组串联连接。 此外,当具有气隙的电感器连接无源触发型DC / AC逆变器和耦合绕组时,提供与功率因数补偿绕组和功率因数补偿电容器组串联连接的触发开关。 因此,实现功率因数校正的功能。
    • 66. 发明申请
    • COLLIMATED SYSTEM WITH MULTI-BACKLIGHT SOURCE
    • 具有多背光源的收缩系统
    • US20110026250A1
    • 2011-02-03
    • US12550527
    • 2009-08-31
    • Yi-pai HuangChing-yi HsuYu-cheng ChangChih-ping SuChia-lin Liu
    • Yi-pai HuangChing-yi HsuYu-cheng ChangChih-ping SuChia-lin Liu
    • F21V5/00G02B27/30
    • G02B27/30
    • A multi-backlight collimated system at least comprises a plurality of light sources, a plurality of reflection elements, and at least a collimation element. The light sources are for providing light. Each reflection element has a reflective surface corresponding to one of the light sources and is disposed to reflect light from the corresponding light source. The reflective surface reflects light being emitted in a predetermined direction by the corresponding light source to form a projection area on a screen. The adjacent projection areas on the screen are joined at adjacent side edges. The collimation element is disposed on the screen for altering a path of light penetrating the screen and emitting light in a specific direction The multi-backlight collimated system is easily fabricated into large sizes and is beneficial for products having large display areas.
    • 多背光准直系统至少包括多个光源,多个反射元件和至少准直元件。 光源用于提供光。 每个反射元件具有对应于一个光源的反射表面,并被设置成反射来自相应光源的光。 反射表面反射由相应的光源沿预定方向发射的光,以在屏幕上形成投影区域。 屏幕上的相邻投影区域在相邻的侧边缘处连接。 准直元件设置在屏幕上,用于改变穿透屏幕的光线的路径并沿特定方向发光。多背光准直系统容易制造成大尺寸,对于具有大显示区域的产品是有益的。