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    • 22. 发明授权
    • Hand truck having arrangement for mounting on a carrier of bicycle after handles retracting
    • 手推车具有在手柄收回后安装在自行车托架上的布置
    • US08070182B2
    • 2011-12-06
    • US12497555
    • 2009-07-03
    • Jui-Chia WangTsui-Ling Su
    • Jui-Chia WangTsui-Ling Su
    • B62B3/00B62B5/00
    • B62B5/0003B62B5/067B62B2207/02B62J7/04B62J9/001
    • A hand truck includes handles; a ledge comprising a cavity; a fastening device comprising a quick release and a clamp; and a locking device comprising a hollow first section including an opening on either side, a hollow second section releasably put on the first section, the second section including an opening on either side, the openings being in registration to each other, a block member in the first section and including a transverse channel aligned with the openings and the cavity, a sliding lock pin in the cavity, the openings, and the channel to lock the first and second sections, the lock pin having a projection in the channel, a depressible shuttle member in the first section and including a hook partially disposed in the block member, and an inclined slot in the hook with the projection disposed therein, and an actuation rod releasably secured to the shuttle member.
    • 手推车包括手柄; 包括腔的凸缘; 紧固装置,其包括快速释放和夹具; 以及锁定装置,其包括中空的第一部分,其包括任一侧上的开口,可释放地放置在所述第一部分上的中空的第二部分,所述第二部分包括在任一侧上的开口,所述开口彼此对准, 所述第一部分包括与所述开口和所述空腔对准的横向通道,所述空腔中的滑动锁定销,所述开口以及用于锁定所述第一和第二部分的所述通道,所述锁定销在所述通道中具有突出部, 梭构件,并且包括部分地设置在所述块构件中的钩以及设置在其中的所述突起中的所述钩中的倾斜槽,以及可释放地固定到所述梭构件的致动杆。
    • 26. 发明申请
    • Optical Film
    • 光学胶片
    • US20090122577A1
    • 2009-05-14
    • US12267327
    • 2008-11-07
    • Ting-Yuang WuHsung-Hsing WangYi-Chia Wang
    • Ting-Yuang WuHsung-Hsing WangYi-Chia Wang
    • F21V7/04
    • G02B5/045G02B5/0215G02B5/0231G02B5/0242G02B5/0278G02B6/0053G02F2001/133607Y10T428/24355Y10T428/24479Y10T428/2457Y10T428/25Y10T428/254Y10T428/2991Y10T428/2998
    • The present invention provides an optical film comprising a substrate having a first optical surface and a second surface and a microstructure layer on the first optical surface of the substrate, wherein the microstructure layer comprises a plurality of first light-adjusting structures selected from the group consisting of prism columnar structures, conical columnar structures, solid angle structures and orange-segment like structures and a combination thereof and a plurality of second light-adjusting structures selected from the group consisting of arc columnar structures, lens-like structures, and capsule-like structures and a combination thereof, wherein at least a portion of the second light-adjusting structures has a height greater than those of all the first light-adjusting structures.The optical film of the present invention will not suffer the damage caused on the microstructure layers while achieving a light-gathering effect and effectively reducing optical interference.
    • 本发明提供了一种光学膜,其包括在基板的第一光学表面上具有第一光学表面和第二表面以及微结构层的基板,其中所述微结构层包括多个第一调光结构,所述第一调光结构选自 棱镜柱状结构,圆锥形柱状结构,立体角结构和橙色段状结构及其组合,以及多个第二调光结构,其选自弧形柱状结构,透镜状结构和胶囊状结构 结构及其组合,其中第二调光结构的至少一部分的高度大于所有第一调光结构的高度。 本发明的光学膜在实现聚光效果的同时不会对微结构层造成损伤,并且有效地减少光学干涉。
    • 30. 发明授权
    • Automatic gain control for a WLAN system
    • WLAN系统的自动增益控制
    • US07187915B2
    • 2007-03-06
    • US10952035
    • 2004-09-28
    • Chih-Chia WangKai-Pon Kao
    • Chih-Chia WangKai-Pon Kao
    • H04B1/06
    • H04W52/52H03G3/3052
    • An Automatic Gain Control (AGC) method and system thereof. The power of a detected signal is first checked to ensure that it is large enough for AGC process. A power average of the detected signal is computed and compared to a first threshold in order to determine whether to proceed with a coarse tune procedure or enter a fine tune procedure. Both Low Noise Amplifier (LNA) gain and Variable Gain Amplifier (VGA) gain are tuned during coarse tune, whereas only the VGA gain is tuned during fine tune. The LNA and VGA gains are tuned to predetermined values during coarse tune, and the VGA gain is adjusted according to a difference between a computed average of power and a second threshold.
    • 一种自动增益控制(AGC)方法及其系统。 首先检查检测到的信号的功率,以确保其对AGC过程足够大。 计算检测到的信号的功率平均值并将其与第一阈值进行比较,以便确定是否进行粗调程序或进入微调程序。 低噪声放大器(LNA)增益和可变增益放大器(VGA)增益在粗调调谐期间进行调谐,而只有VGA增益在微调期间进行调谐。 在粗略调谐期间,LNA和VGA增益被调谐到预定值,并且根据计算的功率平均功率和第二阈值之间的差异来调整VGA增益。