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    • 32. 发明授权
    • Antenna unit having power radiation conductor
    • 具有功率辐射导体的天线单元
    • US6054956A
    • 2000-04-25
    • US803626
    • 1997-02-21
    • Harufumi MandaiTeruhisa Tsuru
    • Harufumi MandaiTeruhisa Tsuru
    • H01Q1/00H01Q1/36H01Q1/38H01Q1/40H01Q9/04H01Q9/36H01Q23/00H01Q1/24
    • H01Q23/00H01Q1/38H01Q9/0407
    • An antenna unit which has a high gain and a wide bandwidth at a low resonance frequency thereof. The antenna unit comprises an antenna body and a power radiation electrode. The antenna body comprises a rectangular-prism-like substrate comprising a dielectric material, whose major ingredients are e.g., barium oxide, aluminum oxide and silica. A power supply conductor is provided in the substrate and is made of copper or copper alloy and is wound in a spiral in the direction of height of the substrate. A power supply terminal for applying a voltage to the power supply conductor is provided on a surface of the substrate. Further, a power radiation electrode, which comprises, e.g., a nearly rectangular metallic plate made of copper, copper alloy or aluminum, is provided on the surface of the substrate of the antenna body. This power radiation electrode is electrically isolated from the power supply conductor.
    • 天线单元,其在低谐振频率下具有高增益和宽带宽。 天线单元包括天线体和功率辐射电极。 该天线体包括一个包括电介质材料的矩形棱柱状基底,其主要成分是例如氧化钡,氧化铝和二氧化硅。 电源导体设置在基板中,由铜或铜合金制成,并沿基板的高度方向缠绕成螺旋状。 在基板的表面上设置用于向电源导体施加电压的电源端子。 此外,在天线体的基板的表面上设置功率辐射电极,其包括例如由铜,铜合金或铝制成的近似矩形的金属板。 该功率辐射电极与电源导体电隔离。
    • 35. 发明授权
    • Chip antenna and method of making same
    • 芯片天线及其制作方法
    • US5892489A
    • 1999-04-06
    • US831075
    • 1997-04-01
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • H01Q13/08H01Q1/36H01Q1/38H01Q7/06H01Q1/24
    • H01Q1/38H01Q1/362
    • A chip antenna in which desired antenna characteristics can be obtained without restricting the type of at least one of a dielectric material and a magnetic material used for a base member of the antenna, as well as the type of metal material used for a conductor, or without limiting the sintering conditions of the above-described materials. The chip antenna includes a rectangular-prism-shaped base member having a mounting surface. A conductor, e.g. silver, is spirally wound inside the base member. A feeding terminal is formed over surfaces of the base member so as to feed power to the conductor. One end of the conductor is extended to a surface of the base member to form a feeding section, which is connected to the feeding terminal. The other end of the conductor serves as a free end within the base member. The base member is produced by laminating mixture layers made from a mixture of glass essentially consisting of borosilicate having a softening point of approximately 700.degree. C. and ceramic (relative dielectric constant: 60) essentially consisting of barium oxide, neodymium oxide and titanium oxide having a sintering temperature of approximately 1300.degree. C.
    • 一种芯片天线,其中可以获得期望的天线特性,而不限制用于天线的基底构件的电介质材料和磁性材料中的至少一种的类型,以及用于导体的金属材料的类型,或 而不限制上述材料的烧结条件。 芯片天线包括具有安装表面的矩形棱柱形基座部件。 导体,例如 银,螺旋缠绕在基座构件内。 馈电端子形成在基体部件的表面上,以便向导体供电。 导体的一端延伸到基座部件的表面,形成与供电端子连接的供电部分。 导体的另一端用作基底构件内的自由端。 通过层压由基本上由软化点约为700℃的硼硅酸盐组成的玻璃的混合物和基本上由氧化钡,氧化钕和氧化钛组成的陶瓷(相对介电常数:60)制成的基底构件,所述陶瓷(相对介电常数:60) 烧结温度约1300℃
    • 37. 发明授权
    • Stripline filter with a stripline-formed parallel capacitor
    • 带状线并联电容器的带状滤波器
    • US5770986A
    • 1998-06-23
    • US478388
    • 1995-06-07
    • Ken TonegawaHarufumi MandaiTeruhisa Tsuru
    • Ken TonegawaHarufumi MandaiTeruhisa Tsuru
    • H01P1/203H01P1/205H01P1/212
    • H01P1/20336H01P1/212
    • A resonator having an improved spurious characteristic is provided. The resonator comprises a dielectric substrate having a plurality of strip lines extending longitudinally from the central portion of the upper surface toward the rear surface of the substrate by turning downward along the shorter side surfaces of the substrate such that the strip lines extending from both sides of the upper surface of the substrate are arranged in an alternative fashion with their narrowed top end portions overlapping each other in spaced apart relationships so as to be electromagnetically coupled. The portion of the dielectric substrate sandwiched between the opposing upper and rear portions of each strip line forms a capacitor. Further, a ground electrode is formed at the center of the rear surface of the substrate so as to be connected to the end portions of the strip lines. Input and an output electrode continuous with some of the strip lines, respectively, are also provided on the rear surface of the substrate.
    • 提供具有改善的杂散特性的谐振器。 所述谐振器包括电介质基片,所述电介质基片具有多条带状线,所述多条带状线从所述基片的所述中心部分沿着所述基片的较短侧表面向下转动,从所述基片的中心部向所述基片的后表面延伸, 衬底的上表面以可选择的方式布置,其狭窄的顶端部分彼此间隔开的关系彼此重叠以便被电磁耦合。 夹在每个带状线的相对的上部和后部之间的电介质基板的部分形成电容器。 此外,接地电极形成在基板的后表面的中心,以便连接到带状线的端部。 分别与一些带状线连续的输入电极和输出电极也设置在基板的后表面上。
    • 39. 发明授权
    • Antenna unit
    • 天线单元
    • US5585810A
    • 1996-12-17
    • US637429
    • 1996-04-25
    • Teruhisa TsuruHarufumi Mandai
    • Teruhisa TsuruHarufumi Mandai
    • H01Q5/00H01Q9/04H01Q9/42H01Q9/00
    • H01Q9/0421H01Q9/14H01Q9/42
    • An antenna unit whose resonance frequency is switchable, the antenna unit including an antenna body (11) having a distributed inductance component (L.sub.1), an impedance adjusting inductance component (L.sub.1) and a capacitance (C.sub.1) provided between the same and the ground potential, and a capacitor (C.sub.2) and a diode (D.sub.1) being connected in parallel with the capacitance (C.sub.1) and in series with each other, so that a voltage for bringing the diode (D.sub.1) into an ON or OFF state is applied to a node (16) between the capacitor (C.sub.2) and the diode (D.sub.1), thereby switching the resonance frequency of the antenna unit by switching ON and OFF states of the diode (D.sub.1).
    • 一种天线单元,其谐振频率可切换,所述天线单元包括具有分布电感分量(L1)的天线体(11),设置在所述天线体(11)和所述地电位之间的阻抗调整电感分量(L1)和电容(C1) ,并且与电容(C1)并联并联的电容器(C2)和二极管(D1),使得将二极管(D1)导通或断开状态的电压施加到 电容器(C2)和二极管(D1)之间的节点(16),由此通过切换二极管(D1)的导通和截止状态来切换天线单元的谐振频率。