公开(公告)号：US06711382B2

公开(公告)日：2004-03-23

申请号：US09739781

申请日：2000-12-20

Applicant: Isamu Chiba ,  Shuji Urasaki ,  Yoshitaka Hara

Inventor： Isamu Chiba ,  Shuji Urasaki ,  Yoshitaka Hara

IPC: H04B110

CPC classification number: H01Q3/2611 ,  H04B7/0408 ,  H04W88/02 ,  H04W88/08

Abstract: A directivity control of an adaptive antenna is performed for an antenna of a base station when a signal is received in the antenna of the base station, and the directivity control of the adaptive antenna is performed for an antenna of a mobile station when a signal is received in the antenna of the mobile station. Therefore, even though an antenna of a second mobile station functions as an interference wave source, the reception of an interference wave from the interference wave source can be prevented in both the antenna of the base station and the antenna of the mobile station, and a communication quality in both the base station and the mobile station can be maintained in the communication between the base station and the mobile station.

Abstract translation: 当在基站的天线中接收到信号时，对基站的天线执行自适应天线的方向性控制，并且当信号是在基站的天线中时，对于移动台的天线执行自适应天线的方向性控制 在移动台的天线中接收。 因此，即使第二移动站的天线用作干扰波源，也可以在基站的天线和移动台的天线两者中，防止来自干扰波源的干扰波的接收， 基站和移动台之间的通信质量可以保持在基站与移动台之间的通信中。

公开(公告)号：US06707433B2

公开(公告)日：2004-03-16

申请号：US10258484

申请日：2002-10-25

Applicant: Masataka Ohtsuka ,  Isamu Chiba ,  Shuji Urasaki

Inventor： Masataka Ohtsuka ,  Isamu Chiba ,  Shuji Urasaki

IPC: H01Q2100

CPC classification number: H01Q3/26 ,  H01Q21/061 ,  H01Q21/20 ,  H01Q21/22

Abstract: A plurality of concentric circle array antennas each having a different radius are disposed on an identical plane, and a plurality of element antennas are arranged circumferentially in each of the concentric circle array antennas. The plurality of concentric circle array antennas are arranged at regular intervals d in most part thereof, and the concentric circle array antennas corresponding to a remaining part of the plurality of concentric circle array antennas are arranged at intervals d±0.4 to 0.6d. The radii of the part of plural concentric circles change by ±(0.4 to 0.6)d, so that it is possible to reduce a wide-angle side lobe.

Abstract translation: 每个具有不同半径的多个同心圆阵列天线设置在同一平面上，并且多个元件天线在每个同心圆阵列天线中周向布置。 多个同心圆阵列天线在其大部分以规则的间隔d布置，并且与多个同心圆阵列天线的剩余部分相对应的同心圆阵列天线以间隔d±0.4至0.6d排列。 多个同心圆的一部分的半径变化±（0.4〜0.6）d，使得可以减小广角旁瓣。

公开(公告)号：US6043776A

公开(公告)日：2000-03-28

申请号：US33169

申请日：1998-03-02

Applicant: Isamu Chiba ,  Takashi Katagi ,  Shuji Urasaki ,  Yoshihiko Konishi ,  Makoto Matsunaga ,  Akio Iso

Inventor： Isamu Chiba ,  Takashi Katagi ,  Shuji Urasaki ,  Yoshihiko Konishi ,  Makoto Matsunaga ,  Akio Iso

IPC: H04B7/26 ,  H04B7/185 ,  H04B7/204

CPC classification number: H04B7/2041

Abstract: A mobile satellite communication system including an artificial satellite which is situated in a satellite orbit and develops an active phased array antenna so as to accomplish a line to a terrestrial station using a portable terminal in a specific area. As a result, a service that satisfies a demand for communication in the specific area can be realized.

Abstract translation: 一种移动卫星通信系统，其包括位于卫星轨道中的人造卫星，并且开发有源相控阵天线，以便在特定区域中使用便携式终端完成到地面站的线路。 结果，可以实现满足特定区域中的通信需求的服务。

公开(公告)号：US5585803A

公开(公告)日：1996-12-17

申请号：US521068

申请日：1995-08-29

Applicant: Ryu Miura ,  Toyohisa Tanaka ,  Yoshio Karasawa ,  Isamu Chiba

Inventor： Ryu Miura ,  Toyohisa Tanaka ,  Yoshio Karasawa ,  Isamu Chiba

IPC: H01Q3/26 ,  H01Q3/22

CPC classification number: H01Q3/26

Abstract: In an apparatus and method for controlling an array antenna comprising a plurality of antenna elements arranged so as to be adjacent to each other in a predetermined arrangement configuration, a plurality of received signals received by the antenna elements is transformed into respective pairs of quadrature baseband signals, using a common local oscillation signal, wherein each pair of quadrature baseband signals is orthogonal to each other. Then predetermined first and second data are calculated based on each pair of transformed quadrature baseband signals, and are filtered using a noise suppressing filter. Respective elements of a transformation matrix for in-phase combining are calculated based on the filtered first and second data, and the received signals obtained from the each two antenna elements are put in phase based on the calculated transformation matrix. Thereafter, a plurality of received signals which are put in phase are combined in phase, and an in-phase combined received signal is outputted.

Abstract translation: 在一种用于控制阵列天线的装置和方法中，包括以预定布置配置彼此相邻布置的多个天线元件，由天线元件接收的多个接收信号被变换成相应的正交基带信号对 使用公共的本地振荡信号，其中每对正交基带信号彼此正交。 然后，基于每对变换的正交基带信号计算预定的第一和第二数据，并使用噪声抑制滤波器进行滤波。 基于滤波的第一和第二数据计算用于同相组合的变换矩阵的相应元素，并且基于所计算的变换矩阵将从每个两个天线元件获得的接收信号置于同相中。 此后，相位合并的多个接收信号被同相组合，并输出同相组合的接收信号。

公开(公告)号：US5184140A

公开(公告)日：1993-02-02

申请号：US660692

申请日：1991-02-25

Applicant: Kenichi Hariu ,  Isamu Chiba ,  Seiji Mano

Inventor： Kenichi Hariu ,  Isamu Chiba ,  Seiji Mano

IPC: H01Q3/26

CPC classification number: H01Q3/26

Abstract: Disclosed herein is an antenna system comprising a plurality of element antennas, a plurality of variable phase shifters and a plurality of variable amplitude type devices connected to the plurality of element antennas respectively, and an arithmetic unit used to perform the arithmetical operation of the excitation amplitude and phase for exciting each of the plurality of element antennas. The arithmetic unit includes the four means and performs the arithmetical operation of the excitation amplitude and phase used to define a desired radiation pattern composed by each of the element antennas with respect to a preset allowable variation width D of the excitation amplitude. Since the arithmetic unit serves to fix the excitation amplitude and perform the arithmetical operation of the excitation phase separately, the antenna system capable of performing the arithmetical operation of the excitation amplitude and phase for obtaining a desired radiation pattern with respect to the preset allowable variation width D of the excitation amplitude, and obtaining a desired radiation pattern even when the allowable variation width D of the excitation amplitude is given, can be realized.

Abstract translation: 本文公开了一种天线系统，包括分别连接到多个元件天线的多个元件天线，多个可变移相器和多个可变幅度型器件，以及用于执行激励振幅的算术运算的算术单元 以及用于激励多个元件天线中的每一个的相位。 算术单元包括四个装置，并且执行激励振幅和相位的算术运算，该激励振幅和相位相对于激励振幅的预设允许变化幅度D来定义由每个元件天线组成的期望辐射图。 由于算术单元用于固定激励振幅并分别执行激励阶段的算术运算，所以天线系统能够执行激励振幅和相位的算术运算，以获得相对于预设允许变化宽度的期望辐射图 D的激励振幅，并且即使在给出激励振幅的容许变化幅度D时，也可以获得期望的辐射图。

公开(公告)号：US06204827B1

公开(公告)日：2001-03-20

申请号：US09404380

申请日：1999-09-24

Applicant: Tsutomu Endo ,  Toru Fukasawa ,  Moriyasu Miyazaki ,  Isamu Chiba

Inventor： Tsutomu Endo ,  Toru Fukasawa ,  Moriyasu Miyazaki ,  Isamu Chiba

IPC: H01Q138

CPC classification number: H01Q1/36 ,  H01Q1/362 ,  H01Q1/38 ,  H01Q11/08 ,  H01Q21/0006

Abstract: An object of the present invention is to provide an antenna feeding circuit, which requires no balance-unbalance converter and has a simplified structure. The object is attained, by an antenna feeding circuit, according to the present invention, in which micro-strips lines are constituted from one or more pair(s) of band conductors (5a, 5b) disposed on the outer surface of the cylindrical body (1) and an inner conductor (6) disposed on the whole of the inner surface of the cylindrical body (1). A 180 degree distributor (2) supplies electric power to the band conductors (5a, 5b) so that the phase difference between the currents in the band conductors (5a, 5b) is 180 degrees. Inutile current induced in the inner surface of the inner conductor can be cancelled out, because the inner conductor 6 is disposed on the whole of the inner surface of the cylindrical body (1).

Abstract translation: 本发明的目的是提供一种不需要平衡不平衡转换器并且具有简化结构的天线馈电电路。目的是通过根据本发明的天线馈电电路实现微带线 由设置在圆筒体（1）的外表面上的一对或多个带状导体（5a，5b）构成，和设置在圆筒体的整个内表面上的内导体（6） 1）。 180度分配器（2）向带状导体（5a，5b）提供电力，使得带状导体（5a，5b）中的电流之间的相位差为180度。在内部的内表面中感应的中性电流 因为内导体6设置在圆筒体（1）的整个内表面上，所以导体可被抵消。

公开(公告)号：US5966097A

公开(公告)日：1999-10-12

申请号：US856190

申请日：1997-05-14

Applicant: Toru Fukasawa ,  Isamu Chiba ,  Tsutomu Endo ,  Shin-ichi Satoh ,  Shuji Urasaki

Inventor： Toru Fukasawa ,  Isamu Chiba ,  Tsutomu Endo ,  Shin-ichi Satoh ,  Shuji Urasaki

IPC: H01Q21/30 ,  H01Q1/38 ,  H01Q5/10 ,  H01Q9/30 ,  H01Q9/40 ,  H01Q9/42 ,  H01Q13/08 ,  H01Q19/00

CPC classification number: H01Q19/005 ,  H01Q5/378 ,  H01Q9/40 ,  H01Q9/42

Abstract: A non-driven first linear element is disposed in the vicinity of an inverted-F second linear antenna element. The driven second linear element is disposed over a conductive plate having a flat shape, in such a manner as to be substantially parallel to the inverted-F antenna. The non-driven element has a short-circuited end of the inverted-F antenna, and has substantially the same resonant frequency as that of the inverted-F antenna.

Abstract translation: 非驱动的第一线性元件设置在倒F型第二线性天线元件附近。 被驱动的第二线性元件设置在具有平坦形状的导电板上，以使其基本上平行于倒F天线。 非驱动元件具有倒F天线的短路端，并且具有与倒F天线基本相同的谐振频率。

公开(公告)号：US06788269B2

公开(公告)日：2004-09-07

申请号：US10257947

申请日：2003-03-03

Applicant: Isamu Chiba ,  Kazunari Kihira ,  Rumiko Yonezawa ,  Shuji Urasaki

Inventor： Isamu Chiba ,  Kazunari Kihira ,  Rumiko Yonezawa ,  Shuji Urasaki

IPC: H01Q2100

CPC classification number: H01Q21/20 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q21/24 ,  H01Q25/00

Abstract: There are disposed four antenna elements which are arranged circumferentially at regular intervals, and four 90-degree hybrids each having four terminals, two 90-degree hybrids which are arranged in parallel are connected in two stages, only one of the output terminals of an upstream 90-degree hybrid and only one of the input terminal of a downstream 90-degree hybrid cross each other and are connected to each other, and the four output terminals of the two downstream 90-degree hybrids and the four antenna elements are connected to each other; the passing phase between the terminals that cross each other within the respective 90-degree hybrids is set to 0 degree, and the passing phase between the terminals that are in parallel within the respective 90-degree hybrids is set to 90 degrees. As a result, the structure of the feed circuit can be simplified, and plural kinds of beams can be formed.

Abstract translation: 设置四个天线元件，其周期性地布置有规则的间隔，并且四个90度混合电路，每个具有四个端子，并联配置的两个90度混合电路分两个阶段连接，仅一个上游的输出端子 90度混合，并且下游90度混合的输入端中只有一个相互交叉并彼此连接，并且两个下游90度混合的四个输出端和四个天线元连接到每个 其他; 在相应的90度混合电路之间彼此交叉的端子之间的通过相位被设置为0度，并且在相应的90度混合电路内并联的端子之间的通过相位被设置为90度。 结果，可以简化馈电电路的结构，并且可以形成多种类型的光束。

公开(公告)号：US5473333A

公开(公告)日：1995-12-05

申请号：US368633

申请日：1995-01-04

Applicant: Isamu Chiba ,  Ryu Miura ,  Yoshio Karasawa

Inventor： Isamu Chiba ,  Ryu Miura ,  Yoshio Karasawa

IPC: H01Q3/26 ,  H01Q25/00 ,  H04B7/08 ,  G01S3/16 ,  G01S3/28

CPC classification number: H01Q3/2605 ,  H01Q25/00

Abstract: In an apparatus for adaptively controlling an array antenna of M antenna elements, a multi-beam forming circuit calculates N beam field strengths in a known manner, and a beam selecting circuit selectively outputs beam field strengths not smaller than a predetermined threshold value by comparing the N beam field strengths with the threshold value. At least two adaptive control processors calculate N weight coefficients corresponding to N beams according to a constant modulus algorithm, respectively multiplies the calculated beam field strengths by the calculated N weight coefficients, and combines in phase respective signals of multiplication results, outputting the combined signal as a reception signal. In an initial state of one adaptive control processor, a weight coefficient thereof corresponding to the maximum beam field strength is set to a predetermined initial value not zero, and weight coefficients corresponding to the other beam field strengths are set to zero. In an initial state of the other adaptive control processor, a weight coefficient of the other adaptive control processor corresponding to at least a beam field strength having the second greater level is set to the initial value, and weight coefficients corresponding to the other beam field strengths is set to zero.

Abstract translation: 在用于自适应地控制M个天线元件的阵列天线的装置中，多波束形成电路以已知的方式计算N波束场强度，并且波束选择电路通过比较不同于预定阈值的波束场强 N光束场强与阈值。 至少两个自适应控制处理器根据恒模算法计算对应于N个波束的N个权重系数，分别将计算的波束场强度乘以所计算的N个加权系数，并且将乘法结果的相位信号合并，输出组合信号为 接收信号。 在一个自适应控制处理器的初始状态下，将与最大波束场强度相对应的加权系数设置为预定的初始值不为零，并将与其他波束场强对应的加权系数设置为零。 在另一个自适应控制处理器的初始状态下，对应于至少具有第二较大电平的波束场强度的其他自适应控制处理器的加权系数被设置为初始值，并且对应于另一个光束场强的加权系数 设置为零。

公开(公告)号：US6154184A

公开(公告)日：2000-11-28

申请号：US445561

申请日：1999-12-09

Applicant: Tsutomu Endo ,  Isamu Chiba ,  Shuji Urasaki

Inventor： Tsutomu Endo ,  Isamu Chiba ,  Shuji Urasaki

IPC: H01Q1/10 ,  H01Q1/24 ,  H01Q11/08 ,  H01Q21/08 ,  H01Q21/24 ,  H01Q1/36

CPC classification number: H01Q1/10 ,  H01Q1/243 ,  H01Q1/244 ,  H01Q11/08 ,  H01Q21/08 ,  H01Q21/24

Abstract: An antenna apparatus for a portable telephone which is capable of having a better gain characteristic and also capable of achieving a better circularly polarized characteristic over a wide range is provided. This antenna apparatus is comprised of: a first cylinder 4 provided in such a manner that the first cylinder is uprighted on an upper portion 1 of a housing of the portable telephone; 4-element dipole array antennas 4a to 4d connected to a transmitter/receiver circuit built in the housing via a feeding line path, and arranged on the surface of the first cylinder in an equiinterval in such a manner that the 4-element dipole array antennas have inclined angles with respect to a central axis of the first cylinder, an element length of the 4-element dipole array antennas being equal to an approximately 1/2 electromagnetic wavelength; a second cylinder 5 having a diameter smaller than an inner diameter of the first cylinder, and arranged in such a manner that the second cylinder can be stored into the first cylinder, and when the second cylinder is drawn from the first cylinder, the second cylinder is uprighted in the vicinity of an upper space of the first cylinder in a coaxial manner; and 4-element line-shaped conductors 5a to 5d arranged on the surface of the second cylinder in an equiinterval in such a manner that the 4-element line-shaped conductors have inclined angles with respect to a central axis of the second cylinder.

Abstract translation: PCT No.PCT / JP98 / 02937第 371 1999年12月9日第 102（e）1999年12月9日PCT PCT 1996年6月30日PCT公布。 出版物WO00 / 01029 日期2000年1月6日提供了能够具有更好的增益特性并且还能够在较宽范围内实现更好的圆极化特性的便携式电话的天线装置。 该天线装置包括：第一气缸4，其设置成使得第一气缸竖立在便携式电话的壳体的上部1上; 4元偶极阵列天线4a至4d经由馈电线路连接到内置在壳体中的发射器/接收器电路，并以等间隔布置在第一气缸的表面上，使得4元件偶极阵列天线 相对于第一气缸的中心轴具有倾斜角度，4元件偶极子阵列天线的元件长度等于大约+ E，fra 1/2 + EE电磁波长; 第二气缸5，其直径小于第一气缸的内径，并且以这样的方式设置，使得第二气缸可以被存储在第一气缸中，并且当第二气缸从第一气缸拉出时，第二气缸 以同轴方式竖立在第一气缸的上部空间附近; 以及以等间隔配置在第二圆柱体的表面上的4元件线状导体5a〜5d，使得4元件线状导体相对于第二筒体的中心轴线具有倾斜角度。