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    • 1. 发明授权
    • Characteristic adjusting method for dielectric filter using a grinding
tool
    • 使用研磨工具的介质过滤器特性调整方法
    • US6078230A
    • 2000-06-20
    • US843433
    • 1997-04-15
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • H01P1/205H01P1/201H01P11/00
    • H01P1/2056Y10T29/49016
    • A method of adjusting characteristics of a dielectric filter having integral electromagnetic shielding, the dielectric filter comprises a dielectric body having an outer surface including first and second end surfaces and side surfaces extending between the first and second end surfaces; an external conductor disposed on the outer surface of the dielectric body and providing integral electromagnetic shielding of the dielectric filter; at least one hole extending through the dielectric body between the first and second end surfaces; a respective pair of internal conductors provided in the at least one hole and conductively connected to the external conductor at respective ends of the hole, a respective non-conductive portion in the hole being spaced from both ends and thereby separating the pair of internal conductors and defining a respective capacitance between the pair of internal conductors; and signal input and output electrodes provided on the outer surface of the dielectric body and electrically isolated from the external conductor. According to the method, a portion of the dielectric material is removed, for example by grinding, to form the respective non-conductive portion in the hole. The hole may have a changing diameter along its length, due to a hollow formed in one end surface, the non-conductive portion being adjacent to the hollow; or due to a narrowed throttle portion formed at or near the end surface, the non-conductive portion being formed on the throttle portion. Alternatively, the hole may have a substantially constant cross-section, and the non-conductive portion may be substantially flush with the inner surface of the hole. The dielectric body may be regular in shape or may have a side surface with portions spaced from the resonator hole by different respective distances.
    • 一种调节具有整体电磁屏蔽的介质滤波器的特性的方法,所述介质滤波器包括具有包括第一和第二端面以及在所述第一和第二端面之间延伸的侧表面的外表面的电介质体; 设置在电介质体的外表面上并提供介质滤波器的整体电磁屏蔽的外部导体; 至少一个孔延伸穿过第一和第二端面之间的电介质体; 设置在所述至少一个孔中的相应的一对内部导体,并且在所述孔的相应端处导电地连接到所述外部导体,所述孔中的相应的非导电部分与两端间隔开,从而将所述一对内部导体和 限定所述一对内部导体之间的相应电容; 以及设置在电介质体的外表面上并与外部导体电隔离的信号输入和输出电极。 根据该方法,例如通过研磨去除介电材料的一部分,以在孔中形成相应的非导电部分。 由于在一个端面形成的中空孔,孔的长度可以具有变化的直径,非导电部分与中空部相邻; 或者由于形成在端面处或附近的节流部分变窄,所以非导电部分形成在节流部分上。 或者,孔可以具有基本上恒定的横截面,并且非导电部分可以与孔的内表面基本上齐平。 电介质体的形状可以是规则的,也可以具有不同的距离的与谐振器孔隔开的侧面。
    • 3. 发明授权
    • Dielectric filter having side surface indentation
    • 具有侧面压痕的介质滤波器
    • US06400238B1
    • 2002-06-04
    • US09590163
    • 2000-06-08
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • H01P1205
    • H01P1/2056Y10T29/49016
    • A dielectric filter, having a dielectric block with an outer surface including first and second end surfaces and a side surface extending between the first and second end surfaces; an external conductor disposed on the outer surface of the dielectric block, the external conductor substantially completely covering the outer surface; at least one hole extending through the dielectric body between the first and second end surfaces, the at least one hole having an inner surface; the at least one hole having a respective pair of internal conductors disposed on the corresponding inner surface thereof and conductively connected to the external conductor respectively at the first and second end surfaces, a respective non-conductive portion at the corresponding inner surface being spaced from both of the end surfaces and thereby separating the corresponding pair of internal conductors and defining a respective capacitance between the corresponding pair of internal conductors; a predetermined portion of the side surface of the dielectric block having a shape such that a first portion of the external conductor at the predetermined portion is closer to at least one of the internal conductors of the at least one hole, as compared with a second portion of the external conductor at a portion of the dielectric block other than the predetermined portion.
    • 一种介质滤波器,具有介电块,其外表面包括第一和第二端面以及在所述第一和第二端面之间延伸的侧表面; 布置在介质块的外表面上的外部导体,外部导体基本上完全覆盖外表面; 至少一个孔,其延伸穿过所述介电体在所述第一和第二端面之间,所述至少一个孔具有内表面; 所述至少一个孔具有设置在其对应的内表面上的相应的一对内部导体,并且在所述第一和第二端面处分别导电地连接到所述外部导体,相应的内表面处的相应的非导电部分与所述外部导体间隔开 从而分离相应的一对内部导体并且在相应的一对内部导体之间限定相应的电容; 所述介电块的侧面的预定部分具有使得所述外部导体在所述预定部分的第一部分比所述至少一个孔的内部导体中的至少一个更靠近的形状,与所述第二部分 在除了预定部分之外的介质块的一部分处的外部导体。
    • 4. 发明授权
    • Dielectric filter with recessed end surface
    • 具有凹陷端面的介质滤波器
    • US06353374B1
    • 2002-03-05
    • US09590110
    • 2000-06-08
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • H01P1202
    • H01P1/2056Y10T29/49016
    • A dielectric filter, having a dielectric block with an outer surface including first and second end surfaces and a side surface extending between the first and second end surfaces; an external conductor disposed on the outer surface of the dielectric block, the external conductor substantially completely covering the outer surface; at least one hole extending through the dielectric body between the first and second end surfaces, the at least one hole having an inner surface; the at least one hole having a respective pair of internal conductors disposed on its corresponding inner surface and conductively connected to the external conductor respectively at the first and second end surfaces, a respective non-conductive portion at the corresponding inner surface being spaced from both of the end surfaces and thereby separating the corresponding pair of internal conductors and defining a respective capacitance between the corresponding pair of internal conductors; a predetermined portion of one of the first and second end surfaces of the dielectric block having a shape such that a first portion of the external conductor at the predetermined portion is closer to at least one of the internal conductors of the at least one hole, as compared with a second portion of the external conductor at a portion of the dielectric block other than the predetermined portion.
    • 一种介质滤波器,具有介电块,其外表面包括第一和第二端面以及在所述第一和第二端面之间延伸的侧表面; 布置在介质块的外表面上的外部导体,外部导体基本上完全覆盖外表面; 至少一个孔,其延伸穿过所述介电体在所述第一和第二端面之间,所述至少一个孔具有内表面; 所述至少一个孔具有设置在其对应的内表面上的相应的一对内部导体,并且分别在所述第一和第二端面处导电地连接到所述外部导体,相应的内表面处的相应的非导电部分与 从而分离相应的一对内部导体并且在相应的一对内部导体之间限定相应的电容; 介质块的第一和第二端面中的一个的预定部分具有这样的形状,使得预定部分处的外部导体的第一部分更靠近至少一个孔的内部导体中的至少一个,如 与除了预定部分之外的介质块的一部分处的外部导体的第二部分相比。
    • 7. 发明授权
    • Dielectric filter having non-conductive adjusting regions
    • 具有非导电调节区域的介质滤波器
    • US6005456A
    • 1999-12-21
    • US832762
    • 1997-04-04
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • H01P1/205H01P1/201
    • H01P1/2056
    • A dielectric filter with integral electromagnetic shielding comprises a dielectric block having an outer surface including first and second end surfaces and a side surface extending between the first and second end surfaces; an external conductor disposed on the outer surface of the dielectric block and providing integral electromagnetic shielding of the dielectric filter; at least one hole extending through the dielectric body between the first and second end surfaces, having a respective inner surface with a substantially constant cross-sectional shape; a respective pair of internal conductors provided in the at least one hole and conductively connected to the external conductor at respective ends of the hole, a respective non-conductive portion in the hole being spaced from both ends and thereby separating the pair of internal conductors and defining a respective capacitance between the pair of internal conductors, a surface of the respective non-conductive portion being substantially flush with the rest of the inner surface of the hole; and signal input and output electrodes provided on the outer surface of the dielectric body and electrically isolated from the external conductor. Conductive and possibly dielectric material is removed from an end surface of the dielectric block to adjust the resonance frequency and/or the coupling degree of the dielectric filter.
    • 具有整体电磁屏蔽的介质滤波器包括具有包括第一和第二端表面的外表面的介质块和在第一和第二端表面之间延伸的侧表面; 设置在介质块的外表面上并提供介质滤波器的整体电磁屏蔽的外部导体; 至少一个孔延伸穿过介电体在第一和第二端面之间,具有相应的内表面具有基本上恒定的横截面形状; 设置在所述至少一个孔中的相应的一对内部导体,并且在所述孔的相应端处导电地连接到所述外部导体,所述孔中的相应的非导电部分与两端间隔开,从而将所述一对内部导体和 限定所述一对内部导体之间的相应电容,所述相应非导电部分的表面基本上与所述孔的内表面的其余部分齐平; 以及设置在电介质体的外表面上并与外部导体电隔离的信号输入和输出电极。 导电和可能的电介质材料从介质块的端面去除以调节介电滤波器的谐振频率和/或耦合度。
    • 8. 发明授权
    • Method of adjusting characteristics of dielectric filter
    • 调节介质滤波器特性的方法
    • US06694601B2
    • 2004-02-24
    • US09590625
    • 2000-06-08
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • Haruo MatsumotoYasuo YamadaYukihiro KitaichiTadahiro YoritaHideyuki KatoTatsuya TsujiguchiHisashi MoriHitoshi Tada
    • H01P1205
    • H01P1/2056Y10T29/49016
    • A method of adjusting characteristics of a dielectric filter including the following steps: forming a dielectric filter having a dielectric body, the dielectric body having an outer surface; forming an external conductor on the outer surface of the dielectric body; and forming at least one hole extending through the dielectric body, the at least one hole having a respective inner surface, and a respective internal conductor and a respective non-conductive portion at the inner surface; the outer surface of the dielectric body comprising first and second end surfaces and a side surface extending between the first and second end surfaces; the at least one hole extending through the dielectric body between the first and second end surfaces; the respective inner conductor being formed as a respective pair of internal conductors conductively connected to the external conductor at respective ends of the at least one hole, the respective non-conductive portion at the inner surface of the at least one hole being spaced from both end surfaces, thereby separating the corresponding pair of internal conductors and defining a respective capacitance between the corresponding pair of internal conductors; and a predetermined portion of the outer surface of the dielectric body being formed with a shape such that a first portion of the external conductor at the predetermined portion of the outer surface is closer to at least one of the internal conductors in the at least one hole as compared with a second portion of the external conductor at a portion of the outer surface of the dielectric body other than the predetermined portion; the method further comprising the steps of: initially forming the respective inner conductor over an entire length of the inner surface of the corresponding hole; and thereafter grinding off a portion of the respective inner conductor with a grinding tool in order to form the non-conductive portion.
    • 一种调整介质滤波器的特性的方法,包括以下步骤:形成具有电介质体的介电滤波器,所述电介质体具有外表面; 在绝缘体的外表面上形成外部导体; 以及形成延伸穿过所述电介质体的至少一个孔,所述至少一个孔具有相应的内表面,以及相应的内部导体和在所述内表面处的相应的非导电部分; 电介质体的外表面包括第一和第二端面以及在第一和第二端面之间延伸的侧表面; 所述至少一个孔延伸穿过所述介电体在所述第一和第二端面之间; 相应的内部导体形成为在所述至少一个孔的相应端部处导电地连接到外部导体的相应的一对内部导体,所述至少一个孔的内表面处的相应的非导电部分与两个端部间隔开 从而分离相应的一对内部导体并且在相应的一对内部导体之间限定相应的电容; 并且所述电介质体的外表面的预定部分形成为使得所述外表面的所述预定部分处的所述外部导体的所述第一部分更靠近所述至少一个孔中的至少一个内部导体 与外部导体的除了预定部分之外的绝缘体外表面的一部分的第二部分相比; 该方法还包括以下步骤:在相应孔的内表面的整个长度上初始形成相应的内部导体; 然后用研磨工具研磨各个内部导体的一部分,以便形成非导电部分。