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    • 1. 发明申请
    • Radar apparatus and mounting structure for radar apparatus
    • 雷达装置的雷达装置和安装结构
    • US20090140912A1
    • 2009-06-04
    • US12289012
    • 2008-10-17
    • Yusuke KatoAkihisa FujitaYutaka Aoki
    • Yusuke KatoAkihisa FujitaYutaka Aoki
    • G01S7/03G01S13/93
    • G01S7/35G01S7/4026G01S13/345G01S13/931G01S2013/9375G01S2013/9389H01Q1/3233
    • The radar apparatus includes an antenna device including a transmitting antenna and a receiving antenna, and a main body which generates an FMCW-modulated radar wave, transmits the radar wave from the transmitting antenna at a transmit timing, and receives the radar wave reflected from an obstacle by the receiving antenna at a receive timing, the transmit timing and the receive timing temporally overlap each other at least partially. The radar apparatus further includes a cover member covering the main body and the antenna device on a side of a transmission direction of the radar wave and located out of contact with the main body and the antenna device, the cover member having a transmission portion allowing the radar wave to pass therethrough, a surface of the transmission portion facing the antenna device being out of perpendicular alignment with the transmission direction.
    • 雷达装置包括:发射天线和接收天线的天线装置和产生FMCW调制雷达波的主体,在发射定时从发射天线发射雷达波,并接收从 在接收定时,接收天线的障碍物,发送定时和接收定时至少部分地在时间上彼此重叠。 所述雷达装置还包括覆盖所述主体和所述天线装置的覆盖部件,所述盖部件在所述雷达波的传送方向的一侧并且与所述主体和所述天线装置不接触,所述盖部件具有允许所述主体 雷达波通过,面对天线装置的传输部分的表面与传输方向不垂直对准。
    • 4. 发明授权
    • Radar apparatus and mounting structure for radar apparatus
    • 雷达装置的雷达装置和安装结构
    • US07705771B2
    • 2010-04-27
    • US12289012
    • 2008-10-17
    • Yasuke KatoAkihisa FujitaYutaka Aoki
    • Yasuke KatoAkihisa FujitaYutaka Aoki
    • G01S7/28G01S13/93
    • G01S7/35G01S7/4026G01S13/345G01S13/931G01S2013/9375G01S2013/9389H01Q1/3233
    • The radar apparatus includes an antenna device including a transmitting antenna and a receiving antenna, and a main body which generates an FMCW-modulated radar wave, transmits the radar wave from the transmitting antenna at a transmit timing, and receives the radar wave reflected from an obstacle by the receiving antenna at a receive timing, the transmit timing and the receive timing temporally overlap each other at least partially. The radar apparatus further includes a cover member covering the main body and the antenna device on a side of a transmission direction of the radar wave and located out of contact with the main body and the antenna device, the cover member having a transmission portion allowing the radar wave to pass therethrough, a surface of the transmission portion facing the antenna device being out of perpendicular alignment with the transmission direction.
    • 雷达装置包括:发射天线和接收天线的天线装置和产生FMCW调制雷达波的主体,在发射定时从发射天线发射雷达波,并接收从 在接收定时,接收天线的障碍物,发送定时和接收定时至少部分地在时间上彼此重叠。 所述雷达装置还包括覆盖所述主体和所述天线装置的覆盖部件,所述盖部件在所述雷达波的传送方向的一侧并且与所述主体和所述天线装置不接触,所述盖部件具有允许所述主体 雷达波通过,面对天线装置的传输部分的表面与传输方向不垂直对准。
    • 5. 发明授权
    • Plural rectangular waveguides having longer cross-sectional lengths based on shorter waveguide line lengths
    • 基于较短波导线长度的具有较长横截面长度的多个矩形波导
    • US08054142B2
    • 2011-11-08
    • US12381009
    • 2009-03-06
    • Akihisa Fujita
    • Akihisa Fujita
    • H01P3/12
    • H01P3/121
    • Long-side length a1 to a5 of rectangular waveguide tubes in a long-side direction (magnetic field direction) become greater, the shorter a line length is (the closer a rectangular waveguide tube is to the center). ai and Li are set such that line lengths L1 to L5 of each rectangular waveguide tube is Li=mλgi (i=1 to 5, and m is a positive integer number), with guide wavelengths of each rectangular waveguide tube, determined by the length a1 to a5, as λg1 to λg5. Hence, the line length Li of each rectangular waveguide tube can be arbitrarily set, while maintaining a phase relationship between high frequency signals transmitted by each rectangular waveguide tube. When a difference in line lengths between rectangular waveguide tubes is set to be shorter, the degree of freedom in arrangement of the rectangular waveguide tubes can be improved while suppressing the degradation of propagation characteristics caused by temperature change.
    • 长边方向(磁场方向)的矩形波导管的长边长度a1〜a5变大,线长越短(矩形波导管越靠近中心)。 ai和Li被设置为使得每个矩形波导管的线长度L1至L5为Li =mλgi(i = 1至5,m为正整数),每个矩形波导管的引导波长由长度 a1〜a5,λg1〜λg5。 因此,每个矩形波导管的线路长度Li可以任意设置,同时保持由每个矩形波导管发送的高频信号之间的相位关系。 当将矩形波导管之间的线路长度的差设定得较短时,可以在抑制由温度变化引起的传播特性的劣化的同时,提高矩形波导管的布置自由度。
    • 6. 发明申请
    • Transmission line transition
    • 传输线转换
    • US20070182505A1
    • 2007-08-09
    • US11703811
    • 2007-02-07
    • Akihisa FujitaKunio Sakakibara
    • Akihisa FujitaKunio Sakakibara
    • H01P5/107
    • H01P5/107
    • A transmission line transition for coupling electromagnetic energy between different transmission lines includes first and second dielectric substrates laminated to each other and a waveguide tube attached to the first dielectric substrate. The laminated dielectric substrate provides a dielectric waveguide having a first end short-circuited and a second end communicating with a hollow interior of the waveguide tube. An antenna connected to a planar line is disposed in the dielectric waveguide and spaced from the short-circuited end of the dielectric waveguide by a predetermined distance in a longitudinal direction of the waveguide tube to excite and to be excited by the waveguide tube. The dielectric waveguide has a cross-sectional area smaller than that of the interior of the waveguide tube and coincides with the interior of the waveguide tube in the longitudinal direction.
    • 用于在不同传输线之间耦合电磁能的传输线转变包括彼此层叠的第一和第二电介质基片以及附接到第一介质基片的波导管。 叠层电介质基片提供了具有第一端短路的电介质波导和与波导管的中空内部连通的第二端。 连接到平面线的天线设置在电介质波导中,并且与介质波导的短路端在波导管的纵向方向上预定距离间隔开以激发并由波导管激发。 介质波导的横截面积小于波导管内部的横截面面积,并且在纵向方向上与波导管的内部重合。
    • 7. 发明授权
    • Double facer for use in corrugated fiberboard sheet manufacturing system
    • 用于瓦楞纸板制造系统的双面
    • US06854496B2
    • 2005-02-15
    • US09951521
    • 2001-09-14
    • Hiroshi IshibuchiHideo OkuharaAkihisa Fujita
    • Hiroshi IshibuchiHideo OkuharaAkihisa Fujita
    • B31F1/36B31F1/28B32B31/00
    • B31F1/28
    • A double facer for use in a corrugated fiberboard sheet manufacturing system wherein a moisture content of a double faced corrugated fiberboard sheet is set at an optimum value at all times for stably producing the double faced corrugated fiberboard sheet with less bonding failure and less warp. The double facer comprises moisture content detecting means for detecting a moisture content of the double faced corrugated fiberboard sheet after passed through the heating means or for detecting a parameter correlating with the moisture content, and a control means for controlling a heat reception quantity of the double faced corrugated fiberboard sheet on the basis of a detection result from the moisture content detecting means so that the moisture content of the double faced corrugated fiberboard sheet approaches a predetermined optimum moisture content.
    • 一种用于瓦楞纤维板制造系统的双面面料,其中双面瓦楞纤维板片材的水分含量始终设定在最佳值,用于稳定地生产具有较少粘合破坏和较少翘曲的双面瓦楞纸片材。 双面包括含水量检测装置,用于在通过加热装置之后检测双面瓦楞纸片的含水量或检测与水分含量相关的参数;以及控制装置,用于控制双面瓦楞纸的热量接收量 基于来自水分含量检测装置的检测结果,使得双面瓦楞纤维板片的含水量接近预定的最佳含水量。
    • 8. 发明授权
    • Antenna device with lens or passive element acting as lens
    • 具有透镜或无源元件作为透镜的天线装置
    • US08314742B2
    • 2012-11-20
    • US12563306
    • 2009-09-21
    • Akihisa Fujita
    • Akihisa Fujita
    • H01Q19/06
    • H01Q25/008
    • An antenna device has a divider producing first and second signals, and amplifiers amplifying the signals at a changeable amplitude ratio of the first signal to the second signal. A Rotman lens gives first phase differences to first high frequency waves, produced from the first amplified signal at an input port and transmitted to output ports, and gives second phase differences to second high frequency waves produced from the second amplified signal at another input port and transmitted to the output ports. An antenna forms a beam composed of electromagnetic waves, having the first phase differences and electric power corresponding to the first amplified signal on an antenna surface, and electromagnetic waves, having the second phase differences and electric power corresponding to the second amplified signal on the antenna surface, and radiates the beam in a particular direction corresponding to the phase differences and the amplitude ratio.
    • 天线装置具有产生第一和第二信号的分频器,以及以第一信号与第二信号的可变幅度比放大信号的放大器。 罗特曼透镜给出与在输入端口处的第一放大信号产生并被传输到输出端口的第一高频波的第一相位差,并且给出在另一个输入端口处从第二放大信号产生的第二高频波的第二相位差,以及 传输到输出端口。 天线形成由电磁波组成的波束,其具有与天线面上的第一放大信号相对应的第一相位差和电力,以及具有与天线上的第二放大信号对应的第二相位差和电力的电磁波 并且在与相位差和振幅比对应的特定方向上辐射光束。
    • 9. 发明授权
    • Waveguide tube formed by laminating a plate and substrates having waveguide passages
    • 波导管通过层压板和具有波导通道的基板形成
    • US08134427B2
    • 2012-03-13
    • US12381027
    • 2009-03-06
    • Akihisa Fujita
    • Akihisa Fujita
    • H01P3/18
    • H01P3/121
    • There are provided a waveguide plate that is made of metallic plates through which through holes are formed and a pair of resin made substrates (first and second substrates) on which a grounding pattern is formed to cover the through holes. Both the waveguide plate and the substrates are laminated with each other using a conductive adhesive such that the waveguide plate is sandwiched by the substrates, whereby a rectangular waveguide is provided. The first substrate has high frequency circuits such as an oscillator that generates high frequency signals. The high frequency signals generated by the oscillator are supplied to an antenna section that is formed on the second substrate via the rectangular waveguide.
    • 提供了一种波导板,其由形成有通孔的金属板和一对树脂制成的基板(第一和第二基板)制成,其上形成有接地图案以覆盖通孔。 波导板和基板之间使用导电粘合剂彼此层叠,使得波导板被基板夹持,从而提供矩形波导。 第一衬底具有高频电路,例如产生高频信号的振荡器。 由振荡器产生的高频信号通过矩形波导提供到形成在第二基板上的天线部分。
    • 10. 发明申请
    • High frequency device equipped with plurality of rectangular waveguide
    • 配有多个矩形波导的高频装置
    • US20090224858A1
    • 2009-09-10
    • US12381009
    • 2009-03-06
    • Akihisa Fujita
    • Akihisa Fujita
    • H01P3/12
    • H01P3/121
    • Long-side length a1 to a5 of rectangular waveguide tubes in a long-side direction (magnetic field direction) become greater, the shorter a line length is (the closer a rectangular waveguide tube is to the center). ai and Li are set such that line lengths L1 to L5 of each rectangular waveguide tube is Li=mλgi (i=1 to 5, and m is a positive integer number), with guide wavelengths of each rectangular waveguide tube, determined by the length a1 to a5, as λg1 to λg5. Hence, the line length Li of each rectangular waveguide tube can be arbitrarily set, while maintaining a phase relationship between high frequency signals transmitted by each rectangular waveguide tube. When a difference in line lengths between rectangular waveguide tubes is set to be shorter, the degree of freedom in arrangement of the rectangular waveguide tubes can be improved while suppressing the degradation of propagation characteristics caused by temperature change.
    • 长边方向(磁场方向)的矩形波导管的长边长度a1〜a5变大,线长越短(矩形波导管越靠近中心)。 ai和Li被设置为使得每个矩形波导管的线长度L1至L5为Li = mlambdagi(i = 1至5,m为正整数),每个矩形波导管的引导波长由长度 a1到a5,作为lambdag1到lambdag5。 因此,每个矩形波导管的线路长度Li可以任意设置,同时保持由每个矩形波导管发送的高频信号之间的相位关系。 当将矩形波导管之间的线路长度的差设定得较短时,可以在抑制由温度变化引起的传播特性的劣化的同时,提高矩形波导管的布置自由度。