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    • 14. 发明申请
    • PLASMA TYPE IGNITION PLUG
    • 等离子体点火插头
    • US20080121200A1
    • 2008-05-29
    • US11942902
    • 2007-11-20
    • Hideyuki KatoTohru Yoshinaga
    • Hideyuki KatoTohru Yoshinaga
    • F02P23/04F02P9/00
    • F02P9/007
    • A plasma type ignition plug for igniting an internal combustion engine is disclosed having a negative electrode, a positive electrode, and a discharging distance fixing member, which includes an electrically conductive material replenishing section, made of an electrically conductive material available to melt when subjected to a heat of gas in plasma state, and an electrically conductive material replenished section to which the electrically conductive material is replenished. The discharging distance fixing member is covered on a surface of the negative electrode for initiating the spark discharge between a surface of the discharging distance fixing member and the positive electrode so as to avoid a fluctuation in a spark discharge distance caused by a wear of the negative electrode due to a collision of gas in the plasma state.
    • 公开了一种用于点燃内燃机的等离子体型火花塞,其具有负极,正电极和放电距离固定构件,其包括导电材料补充部分,该导电材料补充部分由可用于在受到 等离子体状态的气体热,以及补充导电材料的导电材料补充部分。 放电距离固定构件覆盖在负极的表面上,用于在放电距离固定构件的表面和正电极之间引起火花放电,以避免由于负的磨损引起的火花放电距离的波动 电极由于等离子体状态下的气体的碰撞而产生。
    • 16. 发明授权
    • Dielectric filter, dielectric duplexer, and communication apparatus
    • 介质滤波器,介质双工器和通信设备
    • US06784767B2
    • 2004-08-31
    • US10245309
    • 2002-09-18
    • Motoharu HiroshimaJun TodaHideyuki Kato
    • Motoharu HiroshimaJun TodaHideyuki Kato
    • H01P120
    • H01P1/2056
    • A dielectric filter includes a dielectric block having inner-conductor-formed holes extending from a first face of the dielectric block to a second face opposed to the first face. Inner conductors are formed inside the inner-conductor-formed holes such that both ends of the inner-conductor-formed holes are open-circuited. On the exterior surface of the dielectric block, balanced input/output terminals are capacitively coupled to the open ends of the inner-conductor-formed holes. A metal cover is provided so as to cover one of the first or second face of the dielectric block. The metal cover functions as a short-circuit conductor in a spurious mode such as a TE mode other than a TEM mode, and hence the influence of the spurious mode is avoided.
    • 介质滤波器包括介质块,其具有从介质块的第一面延伸到与第一面相对的第二面的内导体形成的孔。 在内部导体形成的孔内部形成内导体,使得内部导体形成的孔的两端开放。 在介质块的外表面上,平衡的输入/输出端子电容耦合到内部导体形成的孔的开口端。 提供金属盖以覆盖介质块的第一或第二面中的一个。 金属盖用作诸如TEM模式之外的TE模式的杂散模式的短路导体,因此避免了寄生模式的影响。
    • 19. 发明授权
    • Dielectric filter, dielectric duplexer, and communication equipment
    • 介质滤波器,介质双工器和通信设备
    • US06507250B1
    • 2003-01-14
    • US09374476
    • 1999-08-13
    • Hitoshi TadaHideyuki KatoMotoharu HiroshimaHaruo Matsumoto
    • Hitoshi TadaHideyuki KatoMotoharu HiroshimaHaruo Matsumoto
    • H01P1213
    • H01P1/2056H01P1/2136
    • A dielectric filter or a dielectric duplexer is provided which comprises a dielectric block in a substantially rectangular parallelepiped shape, having a pair of opposite parallel end-faces and plural sides extending between the paired opposite end-faces, one of the plural sides being a mounting face; plural resonator holes elongating through the inside of the dielectric block across the paired opposite end-faces; inner conductors provided on the inner walls of the plural resonator holes, respectively; an outer conductor provided on the outside of the dielectric block; input-output electrodes provided only on one of the paired opposite end-faces, separated from the outer conductor, and capacitance-coupled to the predetermined inner conductors, respectively; and conductive terminals for external connection, connected to the input-output electrodes, having at least portions thereof lying substantially in the same plane as the mounting face. In the dielectric filter or the dielectric duplexer, since input-output electrode are provided on the end-face of the dielectric block, not provided on the sides of the dielectric block, the deterioration of Q0, caused by the input-output electrodes, can be reduced. Accordingly, the insertion loss and the attenuation characteristics are improved.
    • 提供一种介质滤波器或介质双工器,其包括基本上为长方体形状的介质块,具有一对相对的平行端面和在所述一对相对端面之间延伸的多个侧面,所述多个侧面中的一个为安装 面对; 多个谐振器孔延伸穿过所述一对相对端面的所述介质块的内部; 分别设置在多个谐振器孔的内壁上的内部导体; 设置在介质块的外侧的外部导体; 输入输出电极仅设置在与外部导体分离的成对的相对端面中的一个上,并且电容耦合到预定的内部导体; 和用于外部连接的导电端子,连接到输入 - 输出电极,其至少部分基本上位于与安装面相同的平面中。 在介质滤波器或介质双工器中,由于输入输出电极设置在不设置在介质块的侧面的介质块的端面上,所以由输入 - 输出电极引起的Q0的劣化可以 减少 因此,插入损耗和衰减特性得到改善。
    • 20. 发明授权
    • Dielectric filter dielectric duplexer and communication apparatus
    • 介质滤波器介质双工器和通信设备
    • US06496088B1
    • 2002-12-17
    • US09541291
    • 2000-04-03
    • Takahiro OkadaJinsei IshiharaHideyuki Kato
    • Takahiro OkadaJinsei IshiharaHideyuki Kato
    • H01P120
    • H01P1/2056H01P1/2136
    • There is disclosed a dielectric filter, comprising: a dielectric block; a plurality of inner conductor formed holes provided in the dielectric block; inner conductors provided on the inner walls of the inner conductor formed holes; and outer conductor provided on the outer surface of the dielectric block so as to have one opening-face as an open-face of the inner conductor formed holes, and have the other opening-face thereof as a short-circuiting-face; wherein the sectional shape of the inner conductor formed holes are substantially constant in the range from the open-face to the short-circuiting-face, and a step is provided in the intermediate portion of the center axis of at least one inner conductor formed hole.
    • 公开了一种介质滤波器,包括:介质块; 设置在所述介质块中的多个内导体形成孔; 设置在内部导体形成的孔的内壁上的内部导体; 以及设在所述介质块的外表面上的外导体,以具有作为所述内导体形成孔的开放面的一个开口面,将其另一个开口面作为短路面; 其特征在于,所述内导体形成孔的截面形状在从所述开放面到所述短路面的范围内基本上恒定,并且在至少一个内部导体形成孔的中心轴的中间部分设置台阶 。