Glass window antenna
    81.
    发明授权
    Glass window antenna 失效
    玻璃窗天线

    公开(公告)号:US6002373A

    公开(公告)日:1999-12-14

    申请号:US879598

    申请日:1997-06-20

    CPC分类号: H01Q1/1278 H01Q1/1271

    摘要: A glass antenna has a rectangular loop antenna element which is extended on the upper region of a windshield glass where no heating wires of a defogger are arranged, and is capacitively coupled to the uppermost heating wire of the defogger at a predetermined capacitance, and a T-shaped second antenna element which is arranged on a region where the defogger is arranged, and is capacitively coupled to the uppermost heating wire of the defogger.

    摘要翻译: 玻璃天线具有矩形环形天线元件,其在挡风玻璃的上部区域延伸,其中没有布置除雾器的加热线,并且以预定的电容电容耦合到除雾器的最上部的热丝,并且T 形状的第二天线元件,其布置在除雾器布置的区域上,并且电容耦合到除雾器的最上部的加热线。

    Inexpensive directional antenna that is easily tuned and weather
resistant
    82.
    发明授权
    Inexpensive directional antenna that is easily tuned and weather resistant 失效
    廉价的定向天线,易于调节和耐候

    公开(公告)号:US5900842A

    公开(公告)日:1999-05-04

    申请号:US937346

    申请日:1997-09-20

    IPC分类号: H01Q11/12 H01Q11/14 H01Q19/28

    CPC分类号: H01Q11/12 H01Q11/14 H01Q19/28

    摘要: An antenna array is disclosed in which a central vertical mast supports four radially extending struts. One loop of conducting elements, the director, is supported on the mast above the struts, on the mast below the struts and at the centrifugal end of two adjacent struts. A second loop of conducting elements, the reflector, is also supported on the mast above the struts and on the mast below the struts, and at the centrifugal end of the other two remaining struts. When the length of the director loop is smaller than the reflector loop and the reflector and director are both driven 180.degree. out-of-phase of each other, the antenna functions similarly to a Swiss Quad antenna, but has structural and weather-resistant advantages over the Swiss Quad.

    摘要翻译: 公开了一种天线阵列,其中中心垂直桅杆支撑四个径向延伸的支柱。 导向元件的一个环路,导向器支撑在支柱上方的支柱上,支柱下方的支柱上以及两个相邻支柱的离心端。 导体元件的第二回路,反射器也被支撑在支柱上方的支柱上,并且支撑在支柱下方,并且在另外两个剩余支柱的离心端处。 当导向器环路的长度小于反射器环路并且反射器和导向器都彼此相互驱动180°时,天线的功能类似于瑞士Quad天线,但具有结构和耐候性优势 在瑞士Quad。

    Low wind resistance antennas using cylindrical radiating and reflector
units
    83.
    发明授权
    Low wind resistance antennas using cylindrical radiating and reflector units 失效
    使用圆柱形辐射和反射器单元的低风阻天线

    公开(公告)号:US5606333A

    公开(公告)日:1997-02-25

    申请号:US390735

    申请日:1995-02-17

    申请人: Peter W. Hannan

    发明人: Peter W. Hannan

    摘要: Multi-beam antennas with relatively large effective apertures for high antenna gain are provided for tower or pole mounting for cellular and other uses. Low wind resistance is achieved by use of thin cylindrical radiating units and thin cylindrical tuned reflector units. Each radiating unit includes separately excited upper and lower radiators, each including a microstrip pattern of a phase reversed series of half-wave transmission line sections on a substrate enclosed in a fiberglass tube radome. Each tuned reflector unit includes a resonant stack of electrically isolated metal rods enclosed in a fiberglass radome. In one embodiment, four cylindrical radiating units, each including upper and lower radiators, are laterally spaced in front of upper and lower reflector configurations, each including seven laterally spaced tuned reflector units. Four beams are provided by a beam forming network arranged to couple antenna element signal feeds to the four upper radiators and corresponding reverse phase signal feeds to the four lower radiators.

    摘要翻译: 提供用于高天线增益的具有相对较大的有效孔径的多波束天线用于蜂窝和其他用途的塔架或极安装。 通过使用薄的圆柱形辐射单元和薄的圆柱形调谐反射器单元实现低风阻。 每个辐射单元包括单独激励的上部和下部散热器,每个包括在封装在玻璃纤维管天线罩中的基板上的相位反转的半波传输线段的微带图案。 每个调谐的反射器单元包括被包围在玻璃纤维天线罩中的电隔离的金属棒的谐振叠层。 在一个实施例中,每个包括上部和下部散热器的四个圆柱形辐射单元在上部和下部反射器构造的前面横向隔开,每个包括七个横向间隔开的调谐反射器单元。 四个波束由波束形成网络提供,布置成将天线元件信号馈送耦合到四个较高辐射器和相应的反相信号馈送到四个较低辐射器。

    High frequency antenna with a variable directing radiation pattern
    84.
    发明授权
    High frequency antenna with a variable directing radiation pattern 失效
    具有可变导向辐射图案的高频天线

    公开(公告)号:US5235343A

    公开(公告)日:1993-08-10

    申请号:US748326

    申请日:1991-08-21

    IPC分类号: H01Q3/44 H01Q19/28

    CPC分类号: H01Q19/28 H01Q3/446

    摘要: The present invention relates to an antenna apparatus emitting or receiving high frequency waves and comprising four parasitic vertical rod elements disposed symmetrically to a central vertical rod element and switching elements controlled by a control circuit so that the parasitic rod elements are applied successively and periodically to the ground potential by the control circuit.

    摘要翻译: 本发明涉及一种发射或接收高频波的天线装置,包括四个寄生的垂直杆元件,其对称地布置在中心垂直杆元件和由控制电路控制的开关元件中,使得寄生杆元件被连续和周期地施加到 控制电路的接地电位。

    Circularly polarized transmitting antenna employing end-fire elements
    85.
    发明授权
    Circularly polarized transmitting antenna employing end-fire elements 失效
    采用端火元件的圆极化发射天线

    公开(公告)号:US4021815A

    公开(公告)日:1977-05-03

    申请号:US669311

    申请日:1976-03-22

    申请人: Richard D. Bogner

    发明人: Richard D. Bogner

    IPC分类号: H01Q19/28 H01Q21/24

    CPC分类号: H01Q19/28 H01Q21/24

    摘要: An omnidirectional circularly polarized transmitting antenna employing a single row of slot antennas mounted on a metal support tube and a single row of dipole antennas mounted between the slots and a narrow vertical metal member parallel to the dipoles, the slot and dipole antennas each excite parasitic end-fire directors to control radiation patterns and phase centers.

    摘要翻译: 使用安装在金属支撑管上的单排槽天线的全向圆偏振发射天线和安装在槽之间的单排偶极子天线和平行于偶极子的窄垂直金属构件,所述槽和偶极天线各自激发寄生端 控制辐射模式和相位中心的导火员。

    Transmitting antenna employing radial fins
    86.
    发明授权
    Transmitting antenna employing radial fins 失效
    使用径向翅片的发射天线

    公开(公告)号:US3975733A

    公开(公告)日:1976-08-17

    申请号:US526339

    申请日:1974-11-22

    申请人: Richard D. Bogner

    发明人: Richard D. Bogner

    CPC分类号: H01Q19/28 H01Q13/20 H01Q19/06

    摘要: A transmitting antenna assembly comprises elementary driven antenna elements and generally radially extending fins mounted on a conventional supporting structure to obtain an omnidirectional or other desired antenna pattern, even for supporting structures of relatively large transverse dimensions.

    摘要翻译: 发射天线组件包括安装在常规支撑结构上的基本从动天线元件和大致径向延伸的翅片,以获得全向或其它期望的天线图案,甚至用于支撑相对较大的横向尺寸的结构。

    Antenna structures
    87.
    发明授权
    Antenna structures 失效
    天线结构

    公开(公告)号:US3739388A

    公开(公告)日:1973-06-12

    申请号:US3739388D

    申请日:1971-08-16

    申请人: RCA CORP

    发明人: CALLAGHAN J

    IPC分类号: H01Q5/00 H01Q19/28 H01Q3/02

    CPC分类号: H01Q19/28

    摘要: There is disclosed an antenna structure utilizing a loop having an annular ring coupled thereto and lying in a substantially horizontal plane transverse to the plane of the loop. The ring has reflector and director elements mounted thereon, and on opposite sides of the ring to offer increased directivity to the structure. A pair of dipoles are also utilized in the antenna structure. The dipoles are mounted on a first rotatable base assembly and the loop is mounted on a second rotatable base assembly. These base assemblies are rotatable with respect to a fixed base member and are controlled in rotation by means of a knob to permit azimuth orientation of the antennas.

    摘要翻译: 公开了一种利用环路的天线结构,环路具有耦合到其上的环形圈,并且位于横向于环路平面的基本水平的平面中。 该环具有安装在其上的反射器和导向器元件,并且在环的相对侧上以提供对结构的增加的方向性。 天线结构中也采用了一对偶极子。 偶极子安装在第一可旋转的基座组件上,并且该环安装在第二可旋转基座组件上。 这些基座组件相对于固定的基座构件是可旋转的,并且通过旋钮被控制旋转以允许天线的方位取向。

    Electronically controlled antenna system
    88.
    发明授权
    Electronically controlled antenna system 失效
    电子控制天线系统

    公开(公告)号:US3560978A

    公开(公告)日:1971-02-02

    申请号:US3560978D

    申请日:1968-11-01

    申请人: ITT

    CPC分类号: H01Q19/28 G01S1/02 H01Q3/446

    摘要: IN A TACAN BEACON ANTENNA, A MONOPOLE RADIATOR SURROUNDED BY TWO OR MORE CONCENTIC CIRCULAR ARRAYS OF PARASITIC ELEMENTS, WHICH ELEMENTS ARE DIGITALLY INHIBITED IN SEQUENCE IN A PREDETERMINED MANNER, IS USED TO PRODUCE A ROTATING RADIATION PATTERN CAPABLE OF PRODUCING 15 AND 135 CYCLE-PER-SECOND SIGNALS AT A RECEIVER. PARASITIC ELEMENTS ARE INHIBITED BY BEING OPEN CIRCUITED BY DIGITALLY CONTROLLED SWITCHING DIODES. RECIRCULATING SHIFT REGISTERS ARE USED TO INHIBIT PARASITIC ELEMENTS IN THE CIRCULAR ARRAYS TO PRODUCE THE REQUIRED MODULATION RADIATION PATTERN. A COMMON CLOCK IS USED TO STEP SAID REGISTER ALONG TO PRODUCE THE DESIRED ROTATING PATTERN.