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    • 41. 发明授权
    • Antenna device and wireless communication apparatus
    • 天线装置和无线通信装置
    • US08081128B2
    • 2011-12-20
    • US12614494
    • 2009-11-09
    • Noriyuki Ueki
    • Noriyuki Ueki
    • H01Q9/00
    • H01Q1/48H01Q1/243H01Q1/52H01Q9/0407H01Q9/30H01Q13/08H01Q13/10
    • A multi-resonant antenna device having good VSWR characteristics even in the UWB band, and a wireless communication apparatus including the antenna device are provided. The antenna device includes a substrate, an antenna main body surface-mounted at a corner of the substrate, and slits. The antenna device resonates at two different resonance frequencies. The slits are arranged to bring a VSWR value at a frequency between the two resonance frequencies closer to VSWR values at the two resonance frequencies. The slits include capacitive adjustment slit portions and inductive adjustment slit portions. The slits are provided in an area where the density of a current flowing on ground conductor surfaces is highest. The slits are arranged perpendicularly or substantially perpendicularly to a direction of this current. Specifically, the slits are provided near and parallel or substantially parallel to an open end of the radiating electrode portion. The lengths of the slits are set to one-eighth of a wavelength at a frequency corresponding to the highest VSWR value in the range between the two resonance frequencies.
    • 提供即使在UWB频带中具有良好VSWR特性的多谐振天线装置,也包括天线装置的无线通信装置。 天线装置包括基板,表面安装在基板的角部的天线主体和狭缝。 天线装置以两个不同的谐振频率谐振。 狭缝被布置成使VSWR值在两个谐振频率处的频率处更接近于两个谐振频率处的VSWR值。 狭缝包括电容调节狭缝部分和电感调节狭缝部分。 狭缝设置在流过接地导体表面的电流的密度最高的区域。 这些狭缝垂直于或大致垂直于该电流的方向排列。 具体地,狭缝设置在辐射电极部分的开口端附近并且平行或基本平行。 在两个谐振频率之间的范围内,狭缝的长度被设定为对应于最高VSWR值的频率的波长的八分之一。
    • 43. 发明申请
    • SYSTEMS AND METHODS FOR SETTING A MULTI-BAND ANTENNA BASED ON LOCATION
    • 基于位置设置多根天线的系统和方法
    • US20110193750A1
    • 2011-08-11
    • US12701641
    • 2010-02-08
    • David BellowsRehan Jaffri
    • David BellowsRehan Jaffri
    • H01Q9/00H01Q1/24
    • H01Q1/242H01Q9/14H04M1/72572
    • The present disclosure includes systems and methods for setting a multi-band tunable antenna, a quad-band antenna, or the like based on location information. Specifically, the present invention may include a mobile computing device, circuitry connected to an antenna, an operational method, and the like where location data is used to set operating frequencies and other parameters in the antenna. The location data may be provided from a wireless base station, from a global position system (GPS), or the like. Advantageously, the present invention simplifies antenna design and operation, allowing use of a tunable dual-band antenna in lieu of conventional quad-band antennas. Further, the present invention includes automated systems and methods for tuning the multi-band tunable antenna without requiring user input.
    • 本公开包括基于位置信息来设置多频带可调谐天线,四频天线等的系统和方法。 具体地,本发明可以包括移动计算设备,连接到天线的电路,操作方法等,其中使用位置数据来设置天线中的操作频率和其他参数。 位置数据可以从无线基站,全球定位系统(GPS)等提供。 有利地,本发明简化了天线设计和操作,允许使用可调谐双频天线代替传统的四频天线。 此外,本发明包括用于调谐多频带可调谐天线的自动化系统和方法,而不需要用户输入。
    • 46. 发明申请
    • PLANAR MULTI-BAND ANTENNA
    • 平面多彩天线
    • US20110095952A1
    • 2011-04-28
    • US12908491
    • 2010-10-20
    • Ming-Iu LAIChun-Hsiung Wang
    • Ming-Iu LAIChun-Hsiung Wang
    • H01Q9/00
    • H01Q9/42H01Q5/371H01Q5/392H01Q9/44
    • A planar multi-band antenna includes a substrate and a metal pattern. The metal pattern includes a first metal wire, a second metal wire, a third metal wire and a fourth metal wire. The second metal wire is disposed opposite to the first metal wire and has a grounding point. Two ends of the third metal wire are connected to the first metal wire and second metal wire, respectively, and the first metal wire is divided into a first radiation portion and a second radiation portion. The fourth metal wire is partially located between the second radiation portion and the second metal wire and forms multiple bends, and has a first impedance matching portion and a feed point, and part of the fourth metal wire coincides with the second radiation portion in a projection direction. By the activation of the feeding point and the grounding point associates with the impedance matching portion, the antenna has plural bands.
    • 平面多频带天线包括基板和金属图案。 金属图案包括第一金属线,第二金属线,第三金属线和第四金属线。 第二金属线与第一金属线相对设置并具有接地点。 第三金属线的两端分别与第一金属线和第二金属线连接,第一金属线被分成第一辐射部分和第二辐射部分。 第四金属线部分地位于第二辐射部分和第二金属线之间并且形成多个弯曲部,并且具有第一阻抗匹配部分和馈电点,并且第四金属线的一部分与突出部分中的第二辐射部分重合 方向。 通过激活馈电点和接地点与阻抗匹配部分相关联,天线具有多个频带。
    • 47. 发明授权
    • Multi-band radiating elements with composite right/left-handed meta-material transmission line
    • 具有复合右/左手超材料传输线的多波段辐射元件
    • US07911386B1
    • 2011-03-22
    • US11751852
    • 2007-05-22
    • Tatsuo ItohAnthony LaiKevin M. K. H. Leong
    • Tatsuo ItohAnthony LaiKevin M. K. H. Leong
    • H01Q1/38H01Q9/00H01Q15/02
    • H01Q9/0407
    • Dual-band and multi-band radiating elements are described based on composite right/left-handed (CRLH) meta-material transmission line (TL). These elements can operate as resonators and/or antennas depending on feed-line configuration. The radiating elements are based on the fundamental backward wave supported by a composite right/left-handed (CRLH) meta-material transmission line (TL). Unit-cells of the transmission line comprise conductive patches coupled through vias to a ground plane. The physical size and operational frequencies of the radiating element is determined by the unit cell of the CRLH meta-material. This radiating element is configured for monopolar radiation at a first resonant frequency and patch-like radiation at a second resonant frequency. The first and second resonant frequencies are not constrained to a harmonic relationship.
    • 基于复合右/左(CRLH)超材料传输线(TL)描述了双频带和多频带辐射元件。 根据馈线配置,这些元件可以作为谐振器和/或天线工作。 辐射元件基于由复合右/左手(CRLH)超材料传输线(TL)支撑的基本反向波。 传输线的单位单元包括通过通孔耦合到接地平面的导电贴片。 辐射元件的物理尺寸和工作频率由CRLH超临界材料的晶胞确定。 该辐射元件被配置为在第一谐振频率下的单极辐射和在第二共振频率下的片状辐射。 第一和第二谐振频率不限于谐波关系。
    • 50. 发明申请
    • Multiprotocol antenna for wireles systems
    • 用于线缆系统的多协议天线
    • US20100277383A1
    • 2010-11-04
    • US12387355
    • 2009-04-30
    • Marko Tapio AuttiJouni Vesa Karkinen
    • Marko Tapio AuttiJouni Vesa Karkinen
    • H01Q9/00
    • H01Q1/243H01Q5/335H01Q7/00
    • First, second and third feed ports interface to an antenna that has an impedance disposed between its ends which are defined by the first and second feed ports. The third feed port interfaces to the antenna at an intermediate point between the ends. In a first mode (balanced mode) the impedance enables signals to/from the first and second feed ports to resonate along the whole of the antenna, and in a second mode the impedance enables signals to/from the third feed port to resonate along a portion of the antenna, the portion terminating at the impedance. In embodiments, the first mode is for RFID signals and the second mode is for any one or more of Bluetooth/WLAN/GPS/FM signals. The first and second mode may operate simultaneously. Also detailed is a method for making an electronic device having such an antenna.
    • 首先,第二和第三馈送端口与天线接口,该天线具有设置在其端部之间的阻抗,其由第一和第二馈送端口限定。 第三馈送端口在端点之间的中间点处与天线相连接。 在第一模式(平衡模式)中,阻抗使来自第一和第二馈电端口的信号沿着整个天线谐振,并且在第二模式中,阻抗使来自第三馈电端口的信号沿着 天线的一部分,该部分终止于阻抗。 在实施例中,第一模式用于RFID信号,第二模式用于蓝牙/ WLAN / GPS / FM信号中的任何一个或多个。 第一和第二模式可以同时操作。 另外还详细说明了制造具有这种天线的电子设备的方法。