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    • 2. 发明授权
    • Dual-band antenna with an impedance transformer
    • 带阻抗变压器的双频天线
    • US07230573B2
    • 2007-06-12
    • US11025169
    • 2004-12-28
    • Hsien-Chu LinLung Sheng TaiChen-Ta Hung
    • Hsien-Chu LinLung Sheng TaiChen-Ta Hung
    • H01Q1/38
    • H01Q9/42H01Q5/364
    • A dual-band antenna (1) for communication device includes a first radiating element portion (10) operating at a first frequency band, a second radiating element portion (20) operating at a second frequency band, an L-shaped ground portion (40), a conductive connection (50) interconnecting the first and second radiating element portions (10, 20) with the ground portion (40) and a slot (101) served as an impedance transformer and positioned on the ground portion (40). The slot (101) is implemented as a capacitive load that eliminates the inductive part of the input impedance of the antenna, thereby the slot (101) can match the input impedance of the antenna with a feed line.
    • 一种用于通信设备的双频带天线(1)包括在第一频带上操作的第一辐射元件部分(10),在第二频带操作的第二辐射元件部分(20),L形接地部分 ),将第一和第二辐射元件部分(10,20)与接地部分(40)互连的导电连接(50)和用作阻抗变压器并位于接地部分(40)上的槽(101)。 槽(101)被实现为消除天线的输入阻抗的感应部分的电容性负载,从而槽(101)可以将天线的输入阻抗与馈线相匹配。
    • 3. 发明授权
    • Multi-band antenna
    • 多频天线
    • US07119747B2
    • 2006-10-10
    • US11025333
    • 2004-12-28
    • Hsien Chu LinLung Sheng TaiChen-Ta Hung
    • Hsien Chu LinLung Sheng TaiChen-Ta Hung
    • H01Q1/24
    • H01Q21/30H01Q5/371H01Q9/42
    • A multi-band antenna (1) used in an electronic device and formed of a metallic sheet by defining holes therein, including a first radiating portion (30), a second radiating portion (31), a third radiating portion (32), a ground portion (2), and a coaxial transmission line (4). The first radiating portion, the ground portion and the coaxial transmission line cooperatively form a loop antenna operated at a higher frequency band of about 5.15–5.875 GHz. The second radiating portion, the ground portion and the coaxial transmission line cooperatively form a first inverted-F antenna operated at another higher frequency band of about 5.725–5.875 GHz. The third radiating portion, the ground portion and the coaxial transmission line cooperatively form a second inverted-F antenna operated at a lower frequency band of about 2.4–2.5 GHz.
    • 一种在电子设备中使用并由金属片形成的多频带天线(1),包括第一辐射部分(30),第二辐射部分(31),第三辐射部分(32),第二辐射部分 接地部分(2)和同轴传输线(4)。 第一辐射部分,接地部分和同轴传输线协同地形成在大约5.15-5.875GHz的较高频带上工作的环形天线。 第二辐射部分,接地部分和同轴传输线协同地形成在另一较高频带约为5.725-5.875GHz的第一倒F天线。 第三辐射部分,接地部分和同轴传输线协作地形成在大约2.4-2.5GHz的较低频带上操作的第二倒F天线。