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    • 4. 发明授权
    • Dual polarized antenna
    • 双极化天线
    • US07936314B2
    • 2011-05-03
    • US12305540
    • 2008-04-11
    • Akio KuramotoHiroyuki Yusa
    • Akio KuramotoHiroyuki Yusa
    • H01Q1/38H01Q21/24
    • H01Q9/16H01Q7/02H01Q9/20H01Q9/265H01Q21/24H04B7/10
    • To provide a dual polarized antenna capable of reducing correlation between antenna elements.A dual polarized antenna is constituted by a vertically polarized antenna and a horizontally polarized antenna formed on a printed circuit board and radiates two kinds of polarized waves. The vertically polarized antenna has a configuration in which: a first microstripline is extended along the longitudinal direction of the printed circuit board from the lower portion of the printed circuit board; a first conductive radiating element is disposed at one end of the first microstripline; a phase delay circuit is serially connected to the first conductive radiating element; a second conductive radiating element is added to one end of the phase delay circuit; and a third conductive radiating element is added to a ground conductor which is disposed on the rear side of the surface of the printed circuit board on which the first conductive radiating element and first microstripline are connected at a corresponding portion thereof.
    • 提供能够减少天线元件之间的相关性的双极化天线。 双极化天线由垂直极化天线和形成在印刷电路板上的水平极化天线构成,并且发射两种偏振波。 垂直极化天线具有如下构造:第一微带线从印刷电路板的下部沿着印刷电路板的纵向方向延伸; 第一导电辐射元件设置在第一微带线的一端; 相位延迟电路串联连接到第一导电辐射元件; 第二导电辐射元件被添加到相位延迟电路的一端; 并且第三导电辐射元件被添加到接地导体,该接地导体设置在印刷电路板的表面的后侧,第一导电辐射元件和第一微带线在其相应部分处连接有第一导电辐射元件和第一微带线。
    • 5. 发明申请
    • DUAL POLARIZED ANTENNA
    • 双极化天线
    • US20090251380A1
    • 2009-10-08
    • US12305540
    • 2008-04-11
    • Akio KuramotoHiroyuki Yusa
    • Akio KuramotoHiroyuki Yusa
    • H01Q25/00H01Q9/00H01Q1/50
    • H01Q9/16H01Q7/02H01Q9/20H01Q9/265H01Q21/24H04B7/10
    • To provide a dual polarized antenna capable of reducing correlation between antenna elements.A dual polarized antenna is constituted by a vertically polarized antenna and a horizontally polarized antenna formed on a printed circuit board and radiates two kinds of polarized waves. The vertically polarized antenna has a configuration in which: a first microstripline is extended along the longitudinal direction of the printed circuit board from the lower portion of the printed circuit board; a first conductive radiating element is disposed at one end of the first microstripline; a phase delay circuit is serially connected to the first conductive radiating element; a second conductive radiating element is added to one end of the phase delay circuit; and a third conductive radiating element is added to a ground conductor which is disposed on the rear side of the surface of the printed circuit board on which the first conductive radiating element and first microstripline are connected at a corresponding portion thereof.
    • 提供能够减少天线元件之间的相关性的双极化天线。 双极化天线由垂直极化天线和形成在印刷电路板上的水平极化天线构成,并且发射两种偏振波。 垂直极化天线具有如下构造:第一微带线从印刷电路板的下部沿着印刷电路板的纵向方向延伸; 第一导电辐射元件设置在第一微带线的一端; 相位延迟电路串联连接到第一导电辐射元件; 第二导电辐射元件被添加到相位延迟电路的一端; 并且第三导电辐射元件被添加到接地导体,该接地导体设置在印刷电路板的表面的后侧,第一导电辐射元件和第一微带线在其相应部分处连接有第一导电辐射元件和第一微带线。
    • 8. 发明授权
    • Antenna device capable of reducing a phase noise
    • 能够降低相位噪声的天线装置
    • US5281974A
    • 1994-01-25
    • US915764
    • 1992-07-21
    • Akio KuramotoToshinobu YamaneOsamu IchiyoshiKazuo Kosukegawa
    • Akio KuramotoToshinobu YamaneOsamu IchiyoshiKazuo Kosukegawa
    • H01Q3/30H01Q21/22
    • H01Q21/22H01Q3/30
    • In an antenna device comprising an antenna block which can electrically control a direction of a radio wave transmitted or received by the antenna device, a phase shift unit is connected to the antenna block to phase shift an external electric signal or an internal electric signal given to or from the antenna device. The phase shift unit has variable and discrete phase shifts switched from one to another in response to a control signal supplied from a controller and supplies a phase shifted external signal to the antenna block or a phase shifted internal signal to an external device. The antenna block comprises a plurality of antenna elements and a plurality of phase shifters which are connected to the antenna elements to send the phase shifted external signal to the respective antenna elements or to send the internal electric signal to the phase shift unit.
    • 在包括天线块的天线装置中,天线块可以电气地控制由天线装置发送或接收的无线电波的方向,相位单元连接到天线块,以将外部电信号或给定的内部电信号 或从天线装置。 相移单元响应于从控制器提供的控制信号而将可变和离散相移从一个切换到另一个,并将相移的外部信号提供给天线块或将相移的内部信号提供给外部设备。 天线块包括多个天线元件和多个移相器,其连接到天线元件以将相移的外部信号发送到相应的天线元件或将内部电信号发送到相移单元。
    • 9. 发明授权
    • Tracking system with beam switching antenna
    • 跟踪系统与光束切换天线
    • US4881078A
    • 1989-11-14
    • US200215
    • 1988-05-31
    • Toshinobu YamaneAkio KuramotoRyuji ShimizuMakoto Nakayama
    • Toshinobu YamaneAkio KuramotoRyuji ShimizuMakoto Nakayama
    • G01S3/20G01S3/42H01Q3/08H01Q3/24
    • G01S3/42G01S3/20H01Q3/08H01Q3/24
    • In a tracking system for a stationary satellite, a phased array is used for an antenna mounted on an automobile. The phased array antenna has a sharp beam which is switched between two different directions in azimuth. The antenna beam is switched between the two directions periodically by control of phase constants in a feeding circuit of the antenna and comparison is made in strength between signals received before and after the beam switching to obtain an error signal as an azimuth error signal. Then, the antenna is mechanically moved in azimuth according to the azimuth error signal until the azimuth error signal becomes zero. In a case the antenna beam is also switched between two directions in elevation, the antenna beam is switched in elevation during an interval between successive two times of the beam switching operation in azimuth and detects a difference in strength of signals received before and after the switching in elevation to thereby produce the difference as an elevation error signal. The antenna is mechanically moved in elevation according to the elevation error signal until the elevation error signal becomes zero.
    • 在固定卫星的跟踪系统中,相控阵使用于安装在汽车上的天线。 相控阵天线具有在方位角的两个不同方向之间切换的尖锐的波束。 通过天线的馈电电路中的相位常数的控制,天线波束在两个方向之间切换,并且在波束切换之前和之后接收的信号之间的强度进行比较,以获得作为方位角误差信号的误差信号。 然后,根据方位角误差信号将天线机械地移动到方位角,直到方位误差信号变为零。 在天线波束也在高程两个方向之间切换的情况下,天线波束在方位角的波束切换操作的连续两次之间的间隔期间升高,并且检测在切换之前和之后接收到的信号的强度差 从而产生作为高程误差信号的差异。 天线根据高程误差信号在高程中机械移动,直到高程误差信号变为零。
    • 10. 发明申请
    • WIDEBAND ANTENNA
    • 宽带天线
    • US20100141541A1
    • 2010-06-10
    • US12597670
    • 2008-04-25
    • Akio Kuramoto
    • Akio Kuramoto
    • H01Q9/04H01Q1/12
    • H01Q1/273H01Q1/2291H01Q9/28H01Q9/285
    • A wideband antenna includes a first radiating element and a second radiating element which are substantially in the same shape of a flat plate. A first side of the first radiating element is parallel to a second side of the second radiating element. Moreover, the first and second radiating elements are so arranged as to be shifted from each other with part of the first side facing part of the second side. If the first and second radiating elements thus arranged are moved in parallel so that the first and second sides face each other and are parallel to each other, the first and second sides substantially have line symmetry.Electricity is supplied to the first and the second radiating elements at a predetermined position where part of the first side faces part of the second side.
    • 宽带天线包括基本上与平板相同形状的第一辐射元件和第二辐射元件。 第一辐射元件的第一侧平行于第二辐射元件的第二侧。 此外,第一和第二辐射元件被布置成相对于第二侧的第一侧面部分的一部分彼此偏移。 如果这样布置的第一和第二辐射元件平行移动,使得第一和第二侧彼此面对并且彼此平行,则第一和第二侧基本上具有线对称性。 在第一侧面的第二侧面的一部分的一部分的预定位置向第一和第二辐射元件供电。