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    • 2. 发明授权
    • Antenna arrangement
    • 天线布置
    • US07170454B2
    • 2007-01-30
    • US11096006
    • 2005-03-30
    • Faton Tefiku
    • Faton Tefiku
    • H01Q1/24
    • H01Q9/30H01Q1/244
    • An antenna arrangement including a first matching circuit; a second matching circuit; a first antenna connected to the first matching circuit; a second antenna, moveable with respect to the first antenna, between an extended position in which it is connected to the first matching circuit and a non-extended position in which it forms a couple between the first antenna and the second matching circuit, wherein the second antenna has an impedance that is brought towards a first impedance at a first operational frequency band when the second antenna is moved into the extended position and the first antenna has an impedance which is brought towards the first impedance at a first operational frequency band when the second antenna is moved into the non-extended position.
    • 一种天线装置,包括第一匹配电路; 第二匹配电路; 连接到所述第一匹配电路的第一天线; 相对于第一天线可移动的第二天线,其连接到第一匹配电路的延伸位置和在第一天线和第二匹配电路之间形成耦合的非扩展位置,其中, 当第二天线移动到延伸位置时,第二天线具有在第一操作频带处的第一阻抗的阻抗,并且当第一天线具有在第一操作频带时朝向第一阻抗的阻抗, 第二天线被移动到非延伸位置。
    • 3. 发明授权
    • Electrically-small low Q radiator structure and method of producing EM waves therewith
    • 电小型低Q散热器结构及其产生电磁波的方法
    • US06437750B1
    • 2002-08-20
    • US09614950
    • 2000-07-12
    • Craig A. GrimesDale M. GrimesFaton TefikuGang Lui
    • Craig A. GrimesDale M. GrimesFaton TefikuGang Lui
    • H01Q2100
    • H01Q21/26H01Q5/40H01Q7/00H01Q9/16H01Q21/24
    • An electrically small radiator structure for radiating electromagnetic waves having an electrical size, k*a, with a value less than &pgr;/2 and above &pgr;/20,000 and configured to have at least a first and second magnetic, or electric, dipole element. Dipole elements are preferably oriented such that a source-associated standing energy value for the structure, or Wds(tR), is low, Radiative Q value preferably less than ⅓(k*a)3; and each of the elements, whether paired with respective electric dipole elements, is in electrical communication through a feed circuit to at least one power source. Further, a first dipole pair (or element) oriented orthogonally with respect to a second pair (or element) are in voltage phase-quadrature; the structure is operational at a frequency below 5 GHz; and dipole moments oriented such that the following is generally satisfied: a divergence of the Poynting vector of the pairs with respect to retarded time, namely ∇|tR·N, has a value less than 1.0. Also, a method of producing electromagnetic waves using an electrically small radiator structure, including configuring the structure to have at least a first and second pair of dipole moments and an electrical size, k*a, with a value less than &pgr;/2 and above &pgr;/20,000; and powering a first feed area of the first pair and a second feed area of the second pair with at least one source operating at a frequency to radiate the waves.
    • 一种用于辐射具有小于pi / 2并高于pi / 20,000的电尺寸k * a的电磁波的电小型辐射器结构,并且被配置为具有至少第一和第二磁性或电偶极元件。 偶极元件优选地被定向成使得结构的源相关的驻波能量值(Wds(tR))为低,辐射Q值优选地小于1/3(k * a)3; 并且每个元件,无论是否与相应的电偶极元件配对,都通过馈电电路与至少一个电源电连通。 此外,相对于第二对(或元件)正交定向的第一偶极对(或元件)处于电压相位正交; 该结构在低于5GHz的频率下运行; 并且偶极矩被定向为使得通常满足以下:相对于延迟时间的对的坡印亭矢量的发散,即∇| tR.N具有小于1.0的值。 此外,使用电小型辐射器结构产生电磁波的方法,包括将该结构配置为具有至少第一和第二对偶极矩和电尺寸k * a,其值小于pi / 2及以上 pi / 20,000; 以及对所述第一对的第一馈送区域和所述第二对的第二馈送区域供电,其中至少一个源以频率操作以辐射所述波。
    • 4. 发明申请
    • Antenna arrangement
    • 天线布置
    • US20060220964A1
    • 2006-10-05
    • US11096006
    • 2005-03-30
    • Faton Tefiku
    • Faton Tefiku
    • H01Q1/24
    • H01Q9/30H01Q1/244
    • An antenna arrangement including a first matching circuit; a second matching circuit; a first antenna connected to the first matching circuit; a second antenna, moveable with respect to the first antenna, between an extended position in which it is connected to the first matching circuit and a non-extended position in which it forms a couple between the first antenna and the second matching circuit, wherein the second antenna has an impedance that is brought towards a first impedance at a first operational frequency band when the second antenna is moved into the extended position and the first antenna has an impedance which is brought towards the first impedance at a first operational frequency band when the second antenna is moved into the non-extended position.
    • 一种天线装置,包括第一匹配电路; 第二匹配电路; 连接到所述第一匹配电路的第一天线; 相对于第一天线可移动的第二天线,其连接到第一匹配电路的延伸位置和在第一天线和第二匹配电路之间形成耦合的非扩展位置,其中, 当第二天线移动到延伸位置时,第二天线具有在第一操作频带处的第一阻抗的阻抗,并且当第一天线具有在第一操作频带时朝向第一阻抗的阻抗, 第二天线被移动到非延伸位置。