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    • 4. 发明授权
    • Dual frequency antenna with wide frequency
    • 双频天线宽频
    • US08816935B2
    • 2014-08-26
    • US13376570
    • 2009-07-31
    • Peng LiuGee Siong Kok
    • Peng LiuGee Siong Kok
    • H01Q1/36
    • H01Q1/362H01Q1/242H01Q5/25H01Q5/40H01Q11/10H01Q21/30
    • A dual frequency antenna with wide frequency includes an inner radiator in helical structure, which is electrically connected with a host by a feeding point of the host, and an outer radiator in helical structure in which the inner radiator is packed. The inner radiator includes a first radiating unit located at the lower part for generating resonance and a second radiating unit located at the upper part. The resonant frequency of the second radiating unit is higher than that of the first radiating part; the height of the helical structure of the outer radiator is less than the total height of the inner radiator. The performance of dual frequency antenna can better focus on the upper hemisphere, and the bandwidth of the dual frequency antenna is wider in the ultra high frequency (UHF) frequency band.
    • 具有宽频率的双频天线包括螺旋结构的内部散热器,其通过主机的馈电点与主机电连接,并且内部散热器被包装在螺旋结构中。 内部散热器包括位于下部的用于产生谐振的第一辐射单元和位于上部的第二辐射单元。 第二辐射单元的谐振频率高于第一辐射单元的谐振频率; 外部散热器的螺旋结构的高度小于内部散热器的总高度。 双频天线的性能可以更好地集中在上半球,双频天线的带宽在超高频(UHF)频带中更宽。
    • 5. 发明授权
    • Log periodic antenna
    • 对数周期天线
    • US08766866B2
    • 2014-07-01
    • US12818220
    • 2010-06-18
    • Haeng-Sook RoGwang-Moon ParkSang-Tae KimSeong-Yun LeeMi-Kyung SukHeung-Yong KangYong-Seok Choi
    • Haeng-Sook RoGwang-Moon ParkSang-Tae KimSeong-Yun LeeMi-Kyung SukHeung-Yong KangYong-Seok Choi
    • H01Q11/10
    • H01Q11/10H01Q11/06
    • A log periodic antenna includes first and second transmission lines parallel with each other; and a plurality of broadband radiation elements having first sides electrically connected to the first and second transmission lines, a predetermined angle being defined between the first sides of the broadband radiation elements and the first and second transmission lines, and second sides not electrically connected with the first and second transmission lines, the second sides having radiation surfaces larger than radiation surfaces of the first sides. A plurality of broadband radiation elements electrically connected with the first transmission line and a plurality of broadband radiation elements electrically connected with the second transmission line are positioned to face each other with reference to the first and second transmission lines.
    • 对数周期性天线包括彼此平行的第一和第二传输线; 以及多个宽带辐射元件,其具有电连接到所述第一和第二传输线的第一侧,在所述宽带辐射元件的所述第一侧与所述第一和第二传输线之间限定预定角度,以及第二侧不与所述第一和第二传输线电连接 第一和第二传输线,第二侧具有大于第一侧的辐射表面的辐射表面。 与第一传输线电连接的多个宽带辐射元件和与第二传输线电连接的多个宽带辐射元件被定位为相对于第一和第二传输线彼此面对。
    • 6. 发明授权
    • Ultra-wideband miniaturized omnidirectional antennas via multi-mode three-dimensional (3-D) traveling-wave (TW)
    • 超宽带微型全向天线通过多模三维(3-D)行波(TW)
    • US08669907B2
    • 2014-03-11
    • US13926333
    • 2013-06-25
    • Wang Electro-Opto Corporation
    • Johnson J. H. Wang
    • H01Q11/02
    • H01B11/206H01Q1/36H01Q9/28H01Q11/10
    • A class of ultra-wideband miniaturized traveling-wave (TW) antennas comprising a conducting ground surface at the base, a plurality of TW structures having at least one ultra-wideband low-profile two-dimensional (2-D) surface-mode TW structure, a frequency-selective coupler placed between adjacent TW structures, and a feed network. In one embodiment, a 2-D surface-mode TW structure is positioned above the conducting ground surface, a normal-mode TW structure placed on top with an external frequency-selective coupler placed in between; continuous octaval bandwidth of 14:1 and size reduction by a factor of 3 to 5 are achievable. In other embodiments using at least two 2-D TW structures and a dual-band feed network, a continuous bandwidth over 100:1, and up to 140:1 or more, is reachable. In yet another embodiment, ultra-wideband multi-band performance over an octaval operating bandwidth up to 2000:1 or more is feasible.
    • 一类超宽带微型行波(TW)天线,其包括在基座处的导电接地表面,多个TW结构具有至少一个超宽带低调二维(2-D)表面模式TW 结构,放置在相邻TW结构之间的频率选择耦合器,以及馈电网络。 在一个实施例中,2-D表面模式TW结构位于导电接地表面上方,放置在其上的外部频率选择耦合器顶部的正常模式TW结构; 连续的八进制带宽为14:1,尺寸减小了3到5倍。 在使用至少两个2-D TW结构和双频馈电网络的其它实施例中,可以获得超过100:1,高达140:1或更长的连续带宽。 在又一个实施例中,超高达2000:1或更高的八进制工作带宽的超宽带多频带性能是可行的。
    • 8. 发明授权
    • Directional planar log-spiral slot antenna
    • 定向平面对数螺旋槽天线
    • US08193997B2
    • 2012-06-05
    • US12544838
    • 2009-08-20
    • Spencer Webb
    • Spencer Webb
    • H01Q1/36
    • H01Q9/27H01Q1/02H01Q1/38H01Q11/10H01Q13/106H01Q13/18H01Q17/001Y10T29/49016Y10T29/49018
    • Directional wide band antenna that may be utilized to enhance cell phone coverage within a building, or for signals intelligence collection (SIGINT). Includes a log-spiral slot antenna with feed-point configured to transfer energy to/from the antenna. Includes an energy absorbent backing and an energy absorbent siding coupled with the log-spiral slot antenna. Includes a cavity behind the log-spiral slot antenna and in front of the energy absorbent backing. Includes a cable connector coupled to a tapered microstrip line coupled to the feed-point wherein the tapered microstrip line is configured to transform the input impedance to the antenna impedance. Housed in a container configured to hold the above listed components. Energy absorbent siding, cavity and energy absorbent backing greatly reduces back lobes. Another embodiment has log-spiral shaped slots at an outer portion of the log-spiral slot antenna overlap with the energy absorbent siding and wherein the feed-point overlaps the cavity.
    • 定向宽带天线可用于增强建筑物内的手机覆盖,或用于信号智能收集(SIGINT)。 包括具有馈电点的对数螺旋缝隙天线,配置为将能量传输到天线/从天线传输能量。 包括能量吸收衬垫和与对数螺旋缝隙天线耦合的能量吸收壁板。 包括对数螺旋槽天线后面的空腔和能量吸收衬垫的前面。 包括耦合到耦合到馈电点的锥形微带线的电缆连接器,其中锥形微带线被配置为将输入阻抗转换成天线阻抗。 放置在容纳上述部件的容器中。 能量吸收壁板,空腔和能量吸收衬垫大大减少了后裂纹。 另一个实施例在对数螺旋缝隙天线的外部部分处具有与能量吸收壁板重叠的对数螺旋形槽,并且其中馈电点与空腔重叠。
    • 9. 发明申请
    • DIRECTIONAL PLANAR LOG-SPIRAL SLOT ANTENNA
    • 方向平面日志螺旋天线
    • US20110043414A1
    • 2011-02-24
    • US12544838
    • 2009-08-20
    • Spencer WEBB
    • Spencer WEBB
    • H01Q13/10H01Q1/12H01P11/00
    • H01Q9/27H01Q1/02H01Q1/38H01Q11/10H01Q13/106H01Q13/18H01Q17/001Y10T29/49016Y10T29/49018
    • Directional wide band antenna that may be utilized to enhance cell phone coverage within a building, or for signals intelligence collection (SIGINT). Includes a log-spiral slot antenna with feed-point configured to transfer energy to/from the antenna. Includes an energy absorbent backing and an energy absorbent siding coupled with the log-spiral slot antenna. Includes a cavity behind the log-spiral slot antenna and in front of the energy absorbent backing. Includes a cable connector coupled to a tapered microstrip line coupled to the feed-point wherein the tapered microstrip line is configured to transform the input impedance to the antenna impedance. Housed in a container configured to hold the above listed components. Energy absorbent siding, cavity and energy absorbent backing greatly reduces back lobes. Another embodiment has log-spiral shaped slots at an outer portion of the log-spiral slot antenna overlap with the energy absorbent siding and wherein the feed-point overlaps the cavity.
    • 定向宽带天线可用于增强建筑物内的手机覆盖,或用于信号智能收集(SIGINT)。 包括具有馈电点的对数螺旋缝隙天线,配置为将能量传输到天线/从天线传输能量。 包括能量吸收衬垫和与对数螺旋缝隙天线耦合的能量吸收壁板。 包括对数螺旋槽天线后面的空腔和能量吸收衬垫的前面。 包括耦合到耦合到馈电点的锥形微带线的电缆连接器,其中锥形微带线被配置为将输入阻抗转换成天线阻抗。 放置在容纳上述部件的容器中。 能量吸收壁板,空腔和能量吸收衬垫大大减少了后裂纹。 另一个实施例在对数螺旋缝隙天线的外部部分处具有与能量吸收壁板重叠的对数螺旋形槽,并且其中馈电点与空腔重叠。
    • 10. 发明申请
    • Antenna Device
    • 天线装置
    • US20090015500A1
    • 2009-01-15
    • US11547134
    • 2006-04-06
    • Akihiro HoshiaiYuki Satoh
    • Akihiro HoshiaiYuki Satoh
    • H01Q11/10
    • H01Q1/38H01Q11/10H01Q11/105
    • An antenna device includes a power supply, a first antenna element, a second antenna element, and a film. The first antenna element includes a first feed line connected with the power supply, and first radiators connected with the first feed line and arranged along the drawing direction of the first feed line. The second antenna element includes a second feed line connected with the power supply, and second radiators connected with the second feed line and arranged along the drawing direction of the second feed line. The second antenna element is linearly symmetric with the first antenna element. The film holds at least the first and second antenna elements.
    • 天线装置包括电源,第一天线元件,第二天线元件和膜。 所述第一天线元件包括与所述电源连接的第一馈电线,以及与所述第一馈电线连接并沿着所述第一馈电线的拉出方向布置的第一辐射器。 所述第二天线元件包括与所述电源连接的第二馈电线,以及与所述第二馈电线连接并沿着所述第二馈电线的牵引方向布置的第二辐射器。 第二天线元件与第一天线元件线性对称。 该胶片至少保持第一和第二天线元件。