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    • 3. 发明授权
    • Multi-frequency antenna with single layer and feeding point
    • 具有单层和馈电点的多频天线
    • US06870506B2
    • 2005-03-22
    • US10453640
    • 2003-06-04
    • I-Fong ChenChia-Mei Peng
    • I-Fong ChenChia-Mei Peng
    • H01Q1/24H01Q1/38H01Q5/00H01Q5/371H01Q5/378H01Q9/42
    • H01Q1/243H01Q1/38H01Q5/371H01Q5/378H01Q9/42
    • A multi-frequency antenna with a single layer and a single feeding point, and especially an improved microstrip antenna with its bandwidths simplified and enlarged, it has a central microstrip with a set length and a set width; the bottom end of the central microstrip is used as a feeding point, the top end thereof is extended bilaterally to form respectively a first band section and a second ban section. The first band section is provided on the end thereof with a first open circuit point, and the second ban section is provided on the end thereof with a second open circuit point. A grounding line of a set length and a set width is located at a position a distance below the feeding point on the bottom end of the central microstrip. The lengths from the feeding point to an open circuit point on the end of the first band section and to an open circuit point on the end of the second ban section are both ¼ λ of the ban section to be used.
    • 具有单层和单个馈电点的多频天线,特别是具有简化和扩大带宽的改进的微带天线,具有设定长度和设定宽度的中央微带; 中央微带的底端用作馈电点,其顶端是双向延伸的,分别形成第一带段和第二禁区。 第一带部分在其末端设置有第一开路点,第二禁带部分在其端部设置有第二开路点。 设定长度和设定宽度的接地线位于距中央微带底端馈电点一定距离的位置。 从馈电点到第一带段末端的开路点到第二禁区的末端的开路点的长度都是要使用的禁区的1/4λ。
    • 7. 发明申请
    • LIGHTING FIXTURE EQUIPPED WITH A SHAPED REFLECTOR
    • 配有形状反射器的灯具
    • US20130044495A1
    • 2013-02-21
    • US13213232
    • 2011-08-19
    • Ping-Han CHUANGChia-Mei PENG
    • Ping-Han CHUANGChia-Mei PENG
    • F21V7/09
    • F21V7/09F21V5/02F21V13/04F21W2131/103F21Y2115/10
    • A lighting fixture includes a light source, a lamp case, a power supply device, a shaped reflector and a prism. The shaped reflector has inwardly curved front and back walls each consisting of multiple conical faces abutted against one another and sloping at different angles. The angle of inclination of one lower conical face is relatively closer toward the center of the shaped reflector than that of the adjacent upper conical face. Thus, the shaped reflector effectively and evenly reflects the light emitted by the light source onto a predetermined rectangular or particularly shaped illumination area. Therefore, the lighting fixture is practical for road illumination, lounge illumination, advertizing light box and streamline table light applications to effectively and evenly illuminate the desired area, saving much power consumption.
    • 照明器具包括光源,灯壳,电源装置,成形反射器和棱镜。 成形的反射器具有向内弯曲的前壁和后壁,每个顶部和后壁由彼此抵靠并以不同角度倾斜的多个锥形面组成。 一个下锥形面的倾斜角相对于成形反射器的中心比相邻的上锥形面的倾斜角更接近。 因此,成形反射器将由光源发射的光有效地均匀地反射到预定的矩形或特别形状的照明区域上。 因此,照明灯具实用于道路照明,休息室照明,广告灯箱和流线型桌面照明应用,有效均匀地照亮所需区域,节省大量功耗。