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    • 4. 发明授权
    • Antenna device
    • 天线设备
    • US06222489B1
    • 2001-04-24
    • US09525821
    • 2000-03-15
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji AsakuraSeiji Kanba
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji AsakuraSeiji Kanba
    • H01Q136
    • H01Q1/38H01Q1/362H01Q9/285
    • An antenna device, comprising an antenna unit including basic body comprising at least one of dielectric ceramic and magnetic ceramic, at least one conductor disposed at least one of inside and on a surface of the basic body, and a feeding electrode for applying a voltage to the conductor disposed on the surface of the basic body; a mounting board on which the antenna unit is mounted; a ground part in association with the mounting board and adapted to resonate with the antenna unit; and a length in the polarization direction of a radio wave of the ground part being about &lgr;/4 or more, where &lgr; is a wavelength of the radio wave, the basic body comprising a first generally planar sheet having a plurality of spaced, first conductors formed on one major surface thereof and a second generally planar sheet having a plurality of spaced second conductors formed on one major surface thereof; the first and second generally planar sheets being laminated together to form an elongated structure wherein respective pairs of the first and second conductors are coupled to one another to form respective spiral loops of a spiral antenna so that a central axis of the spiral antenna extends generally parallel to a longitudinal direction of the elongated structure; each of the sheets being formed of a material having a permeability of 1
    • 一种天线装置,包括天线单元,所述天线单元包括基体,所述天体单元包括介电陶瓷和磁性陶瓷中的至少一种,至少一个布置在所述基体的内部和表面中的至少一个导体,以及馈电电极, 所述导体设置在所述基体的表面上; 安装天线单元的安装板; 与安装板相关联并适于与天线单元谐振的接地部分; 并且所述接地部分的无线电波的极化方向上的长度约为lambd / 4或更大,其中lambd是所述无线电波的波长,所述基体包括具有多个间隔开的第一导体 在其一个主表面上形成有第二大体上平坦的片,其具有形成在其一个主表面上的多个间隔开的第二导体; 所述第一和第二大体平坦的片材被层压在一起以形成细长的结构,其中相应的第一和第二导体的对彼此耦合以形成螺旋形天线的相应的螺旋环,使得螺旋天线的中心轴线大致平行地延伸 到所述细长结构的纵向方向; 每个片材由导磁率为1 <7或介电常数εi为1
    • 6. 发明授权
    • Surface mounting type antenna system
    • 表面安装型天线系统
    • US5818398A
    • 1998-10-06
    • US823828
    • 1997-03-25
    • Teruhisa TsuruHaruhumi MandaiKoji ShirokiKenji Asakura
    • Teruhisa TsuruHaruhumi MandaiKoji ShirokiKenji Asakura
    • H01Q1/36H01Q11/08H01Q1/24
    • H01Q1/362H01Q11/08
    • A surface mounting type antenna system 10 is formed by spirally winding a conductor 14 made of copper or copper alloy, with a power supply member 12 provided at one end of the conductor 14, the other end thereof being a free end 13, on the edge faces of a rectangular parallelepiped as a dielectric substrate 11 by printing, deposition, pasting or plating. The dielectric substrate 11 is prepared by stacking a plurality of layers of ceramics, resin or a combination of ceramics and resin. On the underside 111 of the dielectric substrate 11 lies a power supply terminal 15 to which the power supply member 12 of the conductor 14 is connected. The power supply terminal 15 is simultaneously used as a fixing terminal for securing the surface mounting type antenna system 10 to, for example, a mounting board. Moreover, the conductor 14 squarely intersecting the axis C of the conductor winding is rectangular in transverse cross section having a width of w and a length of l.
    • 表面安装型天线系统10通过螺旋地缠绕由铜或铜合金制成的导体14而形成,电源构件12设置在导体14的一端,另一端为自由端13,在边缘 通过印刷,沉积,糊化或电镀作为电介质基板11的长方体的表面。 电介质基板11通过层叠多层陶瓷,树脂或陶瓷和树脂的组合来制备。 电介质基板11的下侧111位于与导体14的电源部件12连接的电源端子15上。 电源端子15同时用作用于将表面安装型天线系统10固定到例如安装板的固定端子。 此外,与导体绕组的轴线C正交地交叉的导体14在宽度为w且长度为l的横截面中为矩形。
    • 7. 发明授权
    • Wireless communication device and metal article
    • 无线通信设备和金属制品
    • US08336786B2
    • 2012-12-25
    • US13429465
    • 2012-03-26
    • Noboru KatoKoji Shiroki
    • Noboru KatoKoji Shiroki
    • G06K19/06
    • G06K19/07786G06K19/07771G06K19/07773G06K19/07775H01Q1/2208H01Q1/38H01Q1/48H01Q7/00H01Q9/0407
    • A wireless communication device includes a wireless IC device, a dielectric substrate, and a metal plate. A radiation conductor coupled to the wireless IC device is provided on the front surface of the dielectric substrate, and a ground conductor connected to the radiation conductor through an interlayer connection conductor is provided on a back surface. The dielectric substrate is fixed to the metal plate via an insulating adhesive, and is crimped by a conductive member. The front and back surfaces of the metal plate are electrically connected to each other by the conductive member, and when a high-frequency signal is supplied from the wireless IC device, a high-frequency signal current on the front surface side of the metal plate is conducted to the back surface side of the metal plate through a surface boundary portion between the conductive member and the metal plate, and radiated as a high-frequency signal.
    • 无线通信装置包括无线IC器件,电介质基板和金属板。 耦合到无线IC器件的辐射导体设置在电介质基板的前表面上,并且在后表面上设置通过层间连接导体连接到辐射导体的接地导体。 电介质基板通过绝缘粘合剂固定在金属板上,并被导电部件卷曲。 金属板的前表面和背面通过导电构件彼此电连接,并且当从无线IC器件提供高频信号时,在金属板的前表面侧的高频信号电流 通过导电部件和金属板之间的表面边界部分向金属板的背面侧进行放电,作为高频信号照射。
    • 9. 发明授权
    • Helical antenna and method of making same
    • 螺旋天线及其制作方法
    • US5903242A
    • 1999-05-11
    • US718967
    • 1996-09-26
    • Teruhisa TsuruHarufumi MandaiSeiji KanbaKoji ShirokiKenji Asakura
    • Teruhisa TsuruHarufumi MandaiSeiji KanbaKoji ShirokiKenji Asakura
    • H01Q13/24H01Q1/36H01Q1/38H01Q1/40H01Q13/26
    • H01Q1/38H01Q1/362
    • A helical antenna is provided in which a predetermined resonance frequency can be determined at the design stage. The helical antenna includes a conductor which is formed from copper or a copper alloy inside a base in the shape of a rectangular parallelopiped formed from a dielectric material having barium oxide, aluminum oxide and silica as main constituents and which is wound in a helical shape along the length of the base. In such a case, the resonance frequency f0 of the helical antenna and the inductance components L of the conductor satisfy the relationship: ln (L)=A0+A1.times.ln (f0), where ln is a natural logarithm, and A0 and A1 are constants. One end of the conductor is extended onto the surface of the base and forms a power feeding terminal connected to a power feeding terminal formed on the surface of the base for applying a voltage to the conductor, and the other end thereof forms a free end inside the base.
    • 提供螺旋天线,其中可以在设计阶段确定预定的共振频率。 螺旋天线包括由铜或铜合金形成的导体,该铜或铜合金形成为由氧化钡,氧化铝和二氧化硅作为主要成分的电介质材料形成的矩形平行六面体形状,并且沿着 基座的长度。 在这种情况下,螺旋天线的谐振频率f0和导体的电感分量L满足关系:ln(L)= A0 + A1xln(f0)其中ln是自然对数,A0和A1是常数 。 导体的一端延伸到基座的表面上,并形成一个馈电端子,该馈电端子连接到形成在基座的表面上的馈电端子,用于向导体施加电压,另一端在内部形成自由端 的基地。