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236 条记录 (耗时 0.014 秒)

    Spiral wound, series fed, array antenna
    32.
    发明公开
    Spiral wound, series fed, array antenna 审中-公开
    螺旋，串馈阵列天线

    公开(公告)号：EP1357637A3

    公开(公告)日：2004-03-17

    申请号：EP03007821.6

    申请日：2003-04-04

    申请人： HARRIS CORPORATION

    发明人： Phelan, Richard ,  Goldstein, Mark L.

    IPC分类号： H01Q21/00 ,  H01Q9/27

    CPC分类号： H01Q21/0087 ,  H01Q9/27 ,  H01Q21/0006 ,  H01Q21/0056

    摘要： A phased array antenna includes a circuit board and a balanced, series fed antenna array formed from a plurality of antenna elements positioned in at least two spiral antenna arms on the circuit board. At least one signal feed point is positioned at a center portion of the spiral antenna arms for series feeding the antenna array and conducting transmitted and received signals and breaking up frequency scan and grating lobes.

    HIGHLY ISOLATED MULTIPLE FREQUENCY BAND ANTENNA
    33.
    发明授权
    HIGHLY ISOLATED MULTIPLE FREQUENCY BAND ANTENNA 失效
    天线具有高解耦多频段

    公开(公告)号：EP0919070B1

    公开(公告)日：2003-06-25

    申请号：EP98921055.4

    申请日：1998-05-08

    申请人： Raytheon Company

    发明人： YU, I-ping ,  SALVAIL, Gary

    IPC分类号： H01Q5/00 ,  H01Q1/36 ,  H01Q9/27

    CPC分类号： H01Q9/27 ,  H01Q1/36 ,  H01Q5/40

    摘要： A multiple frequency band, multi-spiral antenna (50) that employs filters (88, 90) to pass the band of one spiral (60) and reject the band of the other spirals (70). Additional isolation is achieved by arranging adjacent spirals to have opposite senses. All the isolation and filtering is accomplished within the body of the antenna. The antenna includes two, two-arm spirals (60, 70). The higher frequency spiral resides in the interior of the lower frequency spiral. The two spirals are concentric about each other, and lie on the same plane. A balun and filter circuit (80) is connected to the two spirals, and is disposed within the antenna body.

    Antenna, receiving/transmitting apparatus therewith and method of manufacturing the antenna
    34.
    发明公开
    Antenna, receiving/transmitting apparatus therewith and method of manufacturing the antenna 审中-公开
    天线，接收/发射装置及其制造方法

    公开(公告)号：EP1202383A2

    公开(公告)日：2002-05-02

    申请号：EP01125419.0

    申请日：2001-10-31

    申请人： MITSUBISHI MATERIALS CORPORATION ,  Fec Co., Ltd.

    发明人： Yokoshima, Takao, Mitsubishi Materials Corporation ,  Chiba, Toshiyuki, Mitsubishi Materials Corporation ,  Sugimura, Shiro ,  Kobayashi, Hideki

    IPC分类号： H01Q1/36 ,  H01Q1/40 ,  H01Q9/27 ,  H01Q5/00 ,  H01Q1/22

    CPC分类号： H01Q9/27 ,  H01Q1/22 ,  H01Q1/362 ,  H01Q1/40 ,  H01Q5/314 ,  H01Q5/357

    摘要： A compact antenna enabling to produce high gain is based on an antenna main body B is constructed in such a way that a plurality of resonance sections E1, E2, each having parallel-connected respective inductance sections E11, E21 and capacitance sections E12, E22, are electrically connected in series, and a frequency adjusting capacitance section 5 is connected electrically in series between a ground section at the ground potential and an exit end P3 of the antenna main body B. The resonance sections E1, E2 are constructed so that that the characteristic frequency curves overlap one another at least in the width portion to enable the antenna man body B as a whole to resonate at substantially one resonance frequency, which is higher than the normal vibration frequency at which each resonance section E1, E2 resonates.

    摘要翻译： 能够产生高增益的小型天线基于天线主体B以这样的方式构造，即，使得各自具有并联连接的各个电感部分E11，E21和电容部分E12，E22的多个谐振部分E1， 串联电连接，并且频率调节电容部分5电串联在接地电位的接地部分和天线主体B的出口端P3之间。谐振部分E1，E2被构造成使得 特性频率曲线至少在宽度部分彼此重叠，以使得天线人体B整体能够以基本上高于每个谐振部分E1，E2谐振的正常振动频率的一个谐振频率谐振。

    Broad band spiral and sinuous antennas
    35.
    发明公开
    Broad band spiral and sinuous antennas 有权
    在Sinusfom宽带螺旋天线

    公开(公告)号：EP1026777A3

    公开(公告)日：2000-08-16

    申请号：EP99309639.5

    申请日：1999-12-01

    申请人： Marconi Electronic Systems Limited

    发明人： Newham, Paul

    IPC分类号： H01Q1/36 ,  H01Q9/27 ,  H01Q11/10 ,  H01Q1/38

    CPC分类号： H01Q9/27 ,  H01Q1/36

    摘要： The outer turns (3) of a spiral antenna are radially modulated to extend the low-frequency response. The modulation amplitude increases progressively with spiral angle. The unmodulated region may consist of equally-spaced inner turns (1), and outer turns (2) whose spacing increases with angle. The track width of the outer turns may progressively decrease. Alternatively the track width of the outer unmodulated region may increase, the width of the modulated turns then progressively decreasing. Similar modulation may be applied to the outer ends of the arms of sinuous antennas.

    Helical antenna and method of making same
    37.
    发明公开
    Helical antenna and method of making same 失效
    Spiralantenne和Verfahren zu ihrer Herstellung

    公开(公告)号：EP0771047A1

    公开(公告)日：1997-05-02

    申请号：EP96116261.7

    申请日：1996-10-10

    申请人： MURATA MANUFACTURING CO., LTD.

    发明人： Tsuru, Teruhisa ,  Mandai, Harufumi ,  Kanba, Seiji ,  Shiroki, Koji ,  Asakura, Kenji

    IPC分类号： H01Q1/36 ,  H01Q9/27

    CPC分类号： H01Q1/38 ,  H01Q1/362

    摘要： A helical antenna (10) is provided in which a predetermined resonance frequency can be determined at the design stage. The helical antenna (10) includes a conductor (12) which is formed from copper or a copper alloy inside a base (11) in the shape of a rectangular parallelopiped formed from a dielectric material having barium oxide, aluminum oxide and silica as main constituents and which is wound in a helical shape along the length of the base (11). In such a case, the resonance frequency f0 of the helical antenna (10) and the inductance components L of the conductor satisfy the relationship: ln (L) = A0 + A1 x ln (f0) , where ln is a natural logarithm, and A0 and A1 are constants. One end (16) of the conductor (12) is extended onto the surface of the base (11) and forms a power feeding terminal connected to a power feeding terminal (17) formed on the surface of the base (11) for applying a voltage to the conductor (12), and the other end (18) thereof forms a free end inside the base (11).

    摘要翻译： 提供螺旋天线（10），其中可以在设计阶段确定预定的共振频率。 螺旋天线（10）包括由铜或铜合金形成的导体（12），该铜或铜合金形成为由具有氧化钡，氧化铝和二氧化硅作为主要成分的介电材料形成的矩形平行六面体形状 并且沿着基部（11）的长度缠绕成螺旋形状。 在这种情况下，螺旋天线（10）的谐振频率f0和导体的电感分量L满足关系：ln（L）= A0 + A1×ln（f0）其中ln是自然对数， A0和A1是常数。 导体（12）的一端（16）延伸到基座（11）的表面上，并形成一个与馈电端子（17）连接的供电端子，该馈电端子形成在基座（11）的表面上，用于施加 电压到导体（12），而另一端（18）在基座（11）内部形成一个自由端。

    Dual polarized spiral antenna
    39.
    发明公开
    Dual polarized spiral antenna 失效
    双极化螺旋天线

    公开(公告)号：EP0416300A3

    公开(公告)日：1991-09-25

    申请号：EP90115175.3

    申请日：1990-08-07

    申请人： BALL CORPORATION

    发明人： Lalezari, Farzin

    IPC分类号： H01Q9/27 ,  H01Q25/00 ,  H01Q1/36

    CPC分类号： H01Q25/001 ,  H01Q1/36 ,  H01Q9/27

    摘要： A broadband dual polarized antenna includes pairs of electrically separated stacked spiral antenna arms. Each pair of spiral arms have opposite senses and are orthoganal to each other. The relative overlap of each pair of spirals is kept to a minimum so that radiation received and transmitted by the bottom pair of spiral arms will be degraded as little as possible. No overlap exists within each pair of spiral arms, and the pair need not be co-planar, but do share a common axis with the other pair of spiral arms. The spiral arms can be segmented or may comprise a number of spiralling wire elements. A plurality of such antenna structures can be formed into an array capable of beam shaping or scanning.