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    • 2. 发明授权
    • Dielectric leaky wave antenna having mono-layer structure
    • 具有单层结构的介质泄漏波天线
    • US06597323B2
    • 2003-07-22
    • US10009396
    • 2001-10-22
    • Tasuku TeshirogiYuki KawaharaTakashi HidaiAya Yamamoto
    • Tasuku TeshirogiYuki KawaharaTakashi HidaiAya Yamamoto
    • H01Q1300
    • H01Q13/20H01Q3/24H01Q13/26H01Q13/28H01Q21/064H01Q21/068H01Q25/00
    • The present invention provides a dielectric leaky-wave antenna having a single-layer structure which is effective for realizing a highly efficient low-cost antenna in a quasi-millimeter wave zone in particular. This dielectric leaky-wave antenna includes a ground plane, a dielectric slab which is laid on one surface of the ground plane and forms a transmission guide for transmitting an electromagnetic wave from one end side to the other end side between itself and the ground plane along the surface, perturbations which are loaded on the surface of the dielectric slab along the electromagnetic wave transmission direction of the transmission guide at predetermined intervals and leak the electromagnetic wave from the surface of the dielectric slab, and a feed which supplies the electromagnetic wave to one end side of the transmission guide.
    • 本发明提供一种具有单层结构的电介质泄漏波天线,其对于在准毫米波段中实现高效低成本天线是有效的。 该电介质泄漏波天线包括接地平面,介质板,其放置在接地平面的一个表面上,并形成一个传输引导件,用于将电磁波从一端到另一端侧自身与接地面之间传输 沿着传输导向装置的电磁波传播方向以规定的间隔装载在介质板的表面上的表面扰动,并从电介质板的表面泄漏电磁波,以及将电磁波提供给一个 传动导向件的端面。
    • 3. 发明授权
    • Waveguide slot type radiator having construction to facilitate manufacture
    • 波导槽式散热器具有便于制造的结构
    • US06995724B2
    • 2006-02-07
    • US10471942
    • 2002-11-19
    • Tasuku TeshirogiYuki Kawahara
    • Tasuku TeshirogiYuki Kawahara
    • H01Q13/10
    • H01Q21/0043H01Q13/22H01Q21/005H01Q21/0087
    • A waveguide portion has a waveguide with a rectangular section surrounded by a pair of narrow side plates opposed to each other, a pair of broad side plates extending along lengthwise directions of the pair of narrow side plates. A radiation portion is provided on one broad side plate of the pair of broad side plates of the waveguide portion, and has a plurality of slots for radiating an electromagnetic wave input into the waveguide portion externally from the one broad side plate. The waveguide portion includes a first waveguide member and a second waveguide member, and is constituted by joining the first waveguide member and the second waveguide member at edge portions extending in longitudinal directions thereof matching with central lines of the pair of broad side plates. The plurality of slots of the radiation portion has a first group of slots and a second group of slots defined respectively in the first waveguide portion and the second waveguide portion at predetermined intervals in a staggered manner. The first group of slots and the second group of slots are provided such that one set of sides of the respective slots are coincident with the central lines of the pair of broad side plates.
    • 波导部分具有由一对彼此相对的一对窄侧板围绕的矩形部分的波导,沿着该对窄侧板的长度方向延伸的一对宽侧板。 辐射部分设置在波导部分的一对宽侧板的一个宽侧板上,并且具有多个槽,用于从一个宽侧板向外部辐射输入到波导部分中的电磁波。 波导部分包括第一波导构件和第二波导构件,并且通过在与一对宽侧板的中心线匹配的纵向方向上延伸的边缘部处接合第一波导构件和第二波导构件而构成。 辐射部分的多个狭槽具有第一组狭槽和分别以交错方式以预定间隔限定在第一波导部分和第二波导部分中的第二组狭槽。 第一组槽和第二组槽设置成使得各个槽的一组侧与该对侧板的中心线重合。
    • 4. 发明申请
    • RADIATION POWER MEASURING METHOD AND RADIATION POWER MEASURING APPARATUS
    • 辐射功率测量方法和辐射功率测量装置
    • US20120050118A1
    • 2012-03-01
    • US13213384
    • 2011-08-19
    • Tasuku TeshirogiShigenori MattoriTakashi KawamuraAya Yamamoto
    • Tasuku TeshirogiShigenori MattoriTakashi KawamuraAya Yamamoto
    • G01R29/08
    • G01R29/10
    • Provided is a technique capable of accurately calculating the radiation power of an object to be measured using a spheroidal coupler even when there is a non-negligible loss in a measurement system.A phase rotating unit including a variable phase shifter, a two-branch circuit, and a reflective element that is connected to one of the branched outputs of the two-branch circuit is inserted between a receiving antenna and a power measuring device. The maximum value and the minimum value of power measured by a power measuring device when the variable phase shifter changes a phase are calculated. An output reflection coefficient of a coupler is calculated from the ratio of the maximum value to the minimum value, and an input reflection coefficient of an object to be measured which is approximate to the output reflection coefficient is estimated. In addition, an input reflection coefficient of a reference antenna which is used instead of the object to be measured is estimated in the same way. The total radiated power of the object to be measured is calculated on the basis of the estimated input reflection coefficients and the reception power when the power measuring device directly measures the output of the receiving antenna.
    • 提供了一种即使在测量系统中存在不可忽视的损耗的情况下,也能够使用球状耦合器精确地计算待测物体的辐射功率的技术。 包括可变移相器,双分支电路和连接到双分支电路的一个分支输出的反射元件的相位旋转单元插入在接收天线和功率测量装置之间。 计算当可变移相器改变相位时由功率测量装置测量的功率的最大值和最小值。 从最大值与最小值的比值计算耦合器的输出反射系数,并且估计近似于输出反射系数的被测量对象的输入反射系数。 此外,以相同的方式估计用于代替被测量物体的参考天线的输入反射系数。 基于估计的输入反射系数和功率测量装置直接测量接收天线的输出的接收功率,计算被测量物体的总辐射功率。
    • 5. 发明授权
    • Radiation power measuring method and radiation power measuring apparatus
    • 辐射功率测量方法和辐射功率测量仪
    • US08643553B2
    • 2014-02-04
    • US13213384
    • 2011-08-19
    • Tasuku TeshirogiShigenori MattoriTakashi KawamuraAya Yamamoto
    • Tasuku TeshirogiShigenori MattoriTakashi KawamuraAya Yamamoto
    • G01R29/10
    • G01R29/10
    • Provided is a technique capable of accurately calculating the radiation power of an object to be measured using a spheroidal coupler even when there is a non-negligible loss in a measurement system.A phase rotating unit including a variable phase shifter, a two-branch circuit, and a reflective element that is connected to one of the branched outputs of the two-branch circuit is inserted between a receiving antenna and a power measuring device. The maximum value and the minimum value of power measured by a power measuring device when the variable phase shifter changes a phase are calculated. An output reflection coefficient of a coupler is calculated from the ratio of the maximum value to the minimum value, and an input reflection coefficient of an object to be measured which is approximate to the output reflection coefficient is estimated. In addition, an input reflection coefficient of a reference antenna which is used instead of the object to be measured is estimated in the same way. The total radiated power of the object to be measured is calculated on the basis of the estimated input reflection coefficients and the reception power when the power measuring device directly measures the output of the receiving antenna.
    • 提供了一种即使在测量系统中存在不可忽视的损耗的情况下,也能够使用球状耦合器精确地计算待测物体的辐射功率的技术。 包括可变移相器,双分支电路和连接到双分支电路的一个分支输出的反射元件的相位旋转单元插入在接收天线和功率测量装置之间。 计算当可变移相器改变相位时由功率测量装置测量的功率的最大值和最小值。 从最大值与最小值的比值计算耦合器的输出反射系数,并且估计近似于输出反射系数的被测量对象的输入反射系数。 此外,以相同的方式估计用于代替被测量物体的参考天线的输入反射系数。 基于估计的输入反射系数和功率测量装置直接测量接收天线的输出的接收功率,计算被测量物体的总辐射功率。
    • 6. 发明授权
    • Planar antenna and method for manufacturing the same
    • 平面天线及其制造方法
    • US06317095B1
    • 2001-11-13
    • US09554470
    • 2000-05-11
    • Tasuku TeshirogiAya Yamamoto
    • Tasuku TeshirogiAya Yamamoto
    • H01Q1300
    • H01Q21/0037H01Q3/24H01Q3/26H01Q13/10H01Q13/28H01Q19/08H01Q21/0043H01Q21/0087H01Q21/061H01Q25/00H01Q25/04
    • The present invention provides a planar antenna which has a decreased transmission loss, improved aperture efficiency, increased productivity, and reduced cost when it is used in a high-frequency band such as submillimeter and millimeter wave bands, and which allows multibeam scanning and electronic-beam scanning with a thin, simple structure. According to one aspect of the present invention, the planar antenna includes a planar ground conductor, a plurality of radiating dielectrics arranged in parallel and at established intervals on a surface of the ground conductor, and a plurality of perturbations for radiating an electromagnetic wave. The perturbations each have a given width and are arranged at established intervals on a top surface of each of the plurality of radiating dielectrics along a longitudinal direction thereof, and a feeding section is provided alongside one end of each of the plurality of radiating dielectrics for feeding an electromagnetic wave to respective lines formed by each of the radiating dielectrics and the ground conductor.
    • 本发明提供了一种平面天线,其具有降低的传输损耗,提高的孔径效率,提高的生产率,并且当在诸如亚毫米波和毫米波段的高频带中使用时降低成本,并且其允许多波束扫描和电子 - 光束扫描具有薄而简单的结构。 根据本发明的一个方面,平面天线包括平面接地导体,在接地导体的表面上以规定的间隔平行布置的多个辐射电介质和用于辐射电磁波的多个扰动。 扰动每个具有给定的宽度并且沿着其纵向方向以确定的间隔布置在多个辐射电介质的每一个的顶表面上,并且馈送部分沿着多个辐射电介质的每一个的一端设置用于馈送 由各辐射电介质和接地导体形成的各线的电磁波。
    • 8. 发明申请
    • Uwb short-range radar
    • Uwb短程雷达
    • US20070194978A1
    • 2007-08-23
    • US10593539
    • 2006-01-27
    • Tasuku TeshirogiSumio SaitoMasaharu UchinoMasanori Ejima
    • Tasuku TeshirogiSumio SaitoMasaharu UchinoMasanori Ejima
    • G01S13/62
    • G01S13/0209G01S7/03H01Q9/27H03B5/1215H03B5/1231H04B1/7174
    • A transmitting unit emits a short pulse wave which satisfies a predetermined spectrum mask from an antenna into space. A receiving unit receives a reflected wave produced by an object existing in space of the short pulse wave emitted by the transmitting unit. A signal processing unit analyzes the object based on an output signal from the receiving unit. The transmitting unit has a pulse generator which outputs pulse signals each having a predetermined width at a predetermined frequency, and a burst oscillator which receives the pulse signal output from the pulse generator and performs an oscillation operation for time corresponding to the width of the pulse signal to output the short pulse signal. A width and a cycle of the pulse signal and an oscillation frequency of the burst oscillator are set such that almost an entire main lobe of a spectrum of the short pulse wave falls within a range of 24.0 to 29.0 GHz in the predetermined spectrum mask, and that a radiation power density to an RR radiowave emission prohibited band held by the predetermined spectrum mask is lower than a peak radiation power density of the main lobe by not less than 20 dB.
    • 发送单元从天线向空间发射满足预定频谱掩模的短脉冲波。 接收单元接收由发送单元发射的短脉冲波的空间中存在的物体产生的反射波。 信号处理单元基于来自接收单元的输出信号来分析对象。 发送单元具有脉冲发生器,其以预定频率输出各自具有预定宽度的脉冲信号,以及脉冲串振荡器,其接收从脉冲发生器输出的脉冲信号,并对与脉冲信号的宽度相对应的时间进行振荡操作 输出短脉冲信号。 脉冲信号的宽度和周期以及脉冲串振荡器的振荡频率被设定为使得在预定的频谱掩模中短脉冲波的频谱的几乎整个主瓣落入24.0至29.0GHz的范围内,以及 由预定频谱掩模保持的对RR无线电波发射禁止带的辐射功率密度低于主瓣的峰值辐射功率密度不小于20dB。
    • 9. 发明授权
    • Circular polarization antenna
    • 圆极化天线
    • US4543579A
    • 1985-09-24
    • US550120
    • 1983-11-09
    • Tasuku Teshirogi
    • Tasuku Teshirogi
    • H01Q21/06H01Q21/24H01Q25/00H04B7/10
    • H01Q21/065H01Q21/24H01Q25/001
    • A circular polarization antenna having wide-band circular polarization characteristics and impedance characteristics is accomplished by feedng N-antenna elements which are shifted at an interval of .pi./N rad. with respect to the boresight direction with differential phase shift of an interval of .pi./N rad. corresponding to the angular orientation of the antenna elements so as to obtain perfect circular polarization with respect to the boresight direction. This antenna construction can be applied to circular polarization antennas of various types, thereby allowing a wide-band circular polarization array antenna or an array antenna for dual orthogonal circular polarizations having high polarization discrimination to be achieved.
    • 具有宽带圆极化特性和阻抗特性的圆极化天线通过馈送以pi / Nrad的间隔移位的N个天线元件来实现。 相对于具有pi / N rad的间隔的差分相移的视轴方向。 对应于天线元件的角度定向,从而获得相对于视轴方向的完美圆极化。 该天线结构可以应用于各种类型的圆极化天线,从而允许实现具有高极化鉴别的双正交圆偏振的宽带圆偏振阵列天线或阵列天线。
    • 10. 发明授权
    • Linearly polarized antenna and radar apparatus using the same
    • 线性极化天线和雷达装置使用相同
    • US07623073B2
    • 2009-11-24
    • US11794872
    • 2005-11-14
    • Tasuku TeshirogiAya HinotaniTakashi Kawamura
    • Tasuku TeshirogiAya HinotaniTakashi Kawamura
    • H01Q1/38
    • H01Q9/285H01Q1/38H01Q1/521H01Q9/14H01Q13/18H01Q17/00H01Q19/108H01Q21/062
    • A linearly polarized antenna includes a dielectric substrate, a ground conductor which is overlapped on one surface of the dielectric substrate, an antenna element made of linearly polarized, which is formed on an opposite surface of the dielectric substrate, a plurality of metal posts in which one end side of each of the plurality of metal posts is connected to the ground conductor, the plurality of metal posts piercing through the dielectric substrate along a thickness direction thereof, another end side of each of the plurality of metal posts being extended to the opposite surface of the dielectric substrate, the plurality of metal posts being provided at predetermined intervals to form a cavity so as to surround the antenna element, and a conducting arm which short-circuits the other end of the plurality of metal posts along a line direction of the plurality of metal posts on the opposite surface side of the dielectric substrate, the conducting arm being provided while extended by a predetermined distance toward a direction of the antenna element, the conducting arm having a triangular portion.
    • 线性极化天线包括电介质基板,重叠在电介质基板的一个表面上的接地导体,形成在电介质基板的相对表面上的线偏振的天线元件,多个金属柱,其中 多个金属柱中的每一个的一端侧连接到接地导体,多个金属柱沿其厚度方向穿过电介质基板,多个金属柱中的每一个的另一端侧延伸到相对的 电介质基板的表面,多个金属柱以预定间隔设置以形成围绕天线元件的空腔,以及导电臂,其沿着线状方向使多个金属柱的另一端短路 所述多个金属柱在所述电介质基板的相对表面侧上,所述导电臂同时延伸设置 朝向天线元件的方向的预定距离,所述导电臂具有三角形部分。