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公开(公告)号：US20220140464A1
公开(公告)日：2022-05-05
申请号：US17574605
申请日：2022-01-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO
Abstract: An antenna installation structure includes an antenna substrate, an insulation layer, and a bonding material. The antenna substrate includes a dielectric base including first and second main surfaces, and an antenna conductor on the first main surface. The insulation layer is on the first main surface of the antenna substrate. The bonding material is between the insulation layer and a radiation side wall of a housing, is cured, and bonds the insulation layer to the radiation side wall. A linear expansion coefficient of the insulation layer is lower than a linear expansion coefficient of the bonding material and higher than a linear expansion coefficient of the antenna substrate.
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公开(公告)号：US20210274647A1
公开(公告)日：2021-09-02
申请号：US17326386
申请日：2021-05-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO , Takahiro BABA , Kuniaki YOSUI , Yasuko YOSHINAGA
Abstract: A circuit board includes a first circuit board portion and a second circuit board portion. The first circuit board portion is provided with a first transmission line for a low-frequency signal or a low-speed signal, and the second circuit board portion is provided with a second transmission line for a high-frequency signal or a high-speed signal. The second circuit board portion is located on the first circuit board portion in a positional relationship in which the first transmission line and the second transmission line are side-by-side with each other. With this structure, signal leakage and interference between different signals are reduced or prevented in a line that transmits signals with different frequencies and different transmission speeds.
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公开(公告)号：US20180212649A1
公开(公告)日：2018-07-26
申请号：US15925807
申请日：2018-03-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO
Abstract: A coil antenna is mounted on a circuit substrate. A wiring pattern is disposed on the circuit substrate and connects the coil antenna and a feed circuit. A conductive pattern is disposed on the circuit substrate and located outside a region surrounded by the coil antenna, feed circuit, and wiring pattern. A conductive pattern is disposed on the circuit substrate and located inside the region surrounded by the coil antenna, feed circuit, and wiring pattern. Connection conductors connect the conductive pattern and conductive pattern and are disposed on the circuit substrate. The connection conductor includes interlayer connection conductors.
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公开(公告)号：US20170229772A1
公开(公告)日：2017-08-10
申请号：US15581144
申请日：2017-04-28
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO
CPC classification number: H01Q1/521 , G06K7/10356 , H01Q1/2216 , H01Q1/362 , H01Q7/00 , H01Q21/00 , H04B5/0037 , H04B5/0081
Abstract: An antenna device includes an insulating substrate, a coil antenna including a helically wound coil conductor and at least two mounting electrodes conducted to the coil conductor, and a wiring conductor disposed on the substrate and including connection portions connected to the mounting electrodes of the coil antenna. The wiring conductor includes a first wiring conductor parallel extending portion and a second wiring conductor parallel extending portion, and directions of currents flowing through the first wiring conductor parallel extending portion and the second wiring conductor parallel extending portion are opposite to each other with respect to a direction of a current flowing through the coil conductor.
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公开(公告)号：US20170214139A1
公开(公告)日：2017-07-27
申请号：US15480519
申请日：2017-04-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO
CPC classification number: H01Q7/08 , G06K7/10237 , G06K7/10336 , G06K19/07722 , H01F17/0013 , H01F2017/004 , H01F2017/0066 , H01Q1/22 , H01Q1/2225 , H01Q1/38 , H01Q1/50 , H01Q7/00 , H01Q7/06 , H01Q11/08
Abstract: An antenna module includes a multilayer body of laminated insulator layers, surface-mounted devices on a top surface of the multilayer body, an antenna coil with a coil winding axis extending in the laminating direction of the insulator layers or in a direction parallel or substantially parallel to the insulator layers, and wiring conductors electrically connected with the surface-mounted devices or the antenna coil. The antenna coil includes coil conductors on more than one of the insulator layers, and interlayer connection conductors, each of which electrically connects end portions of corresponding ones of the coil conductors to each other, to define a helical shape. The wiring conductors are within a space defined through formation of the antenna coil, in the laminating direction of the insulator layers.
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Patent Agency Ranking
公开(公告)号：US20150349423A1
公开(公告)日：2015-12-03
申请号：US14820684
申请日：2015-08-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO
CPC classification number: G06K19/07784 , G06K7/10336 , G06K7/10356 , G06K7/10386 , G06K19/07771 , H01Q1/2208 , H01Q7/00 , H01Q7/06
Abstract: An antenna device includes a first coil and a second coil whose winding axes are parallel or substantially parallel, are disposed so as to be insulated from each other, and that magnetically couple with each other; a first capacitance that is connected in parallel to the first coil and defines a first resonance circuit with the first coil; a second capacitance that is connected in parallel to the second coil and defines a second resonance circuit with the second coil; a third capacitance connected between at least one set of ends of the first coil and the second coil; and a power supply terminal connected to the first coil.
Abstract translation: 天线装置包括：第一线圈和第二线圈，其绕组轴线平行或基本平行，被布置为彼此绝缘，并且彼此磁耦合; 与第一线圈并联连接并且与第一线圈限定第一谐振电路的第一电容; 与第二线圈并联连接并与第二线圈限定第二谐振电路的第二电容; 连接在所述第一线圈的至少一组端部与所述第二线圈之间的第三电容; 以及连接到第一线圈的电源端子。
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公开(公告)号：US20240047865A1
公开(公告)日：2024-02-08
申请号：US18381671
申请日：2023-10-19
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuo IKEMOTO , Kosuke NISHIO , Kaoru SUDO , Keiichi ICHIKAWA , Nobuyuki TENNO
IPC: H01Q1/38
CPC classification number: H01Q1/38
Abstract: An antenna element includes a first opening including an annular outer boundary in an antenna conductor layer. A first insulative substrate non-forming region is provided between an insulative substrate and the antenna conductor layer in an up-down direction. The insulative substrate does not exist in the first insulative substrate non-forming region. The outer boundary of the first opening overlaps one or more first insulative substrate non-forming regions and is not in contact with the insulative substrate. The first insulative substrate non-forming region is a first void, and a low dielectric constant material having a lower dielectric constant than that of a material of the insulative substrate or a high dielectric constant material having a higher dielectric constant than that of the material of the insulative substrate is provided in the first insulative substrate non-forming region.
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公开(公告)号：US20200220266A1
公开(公告)日：2020-07-09
申请号：US16819271
申请日：2020-03-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Atsushi ISAYAMA , Masamichi TAMURA , Daigo MATSUBARA , Nobuyuki TENNO
Abstract: An antenna element includes a multilayer body and a coil conductor. The multilayer body includes a first non-magnetic portion and a first magnetic portion laminated together. The first magnetic portion is closer to a first principal surface than is the first non-magnetic portion. The coil conductor includes a first conductor pattern portion and a first insulating pattern portion. The first conductor pattern portion is disposed between the first non-magnetic portion and the first magnetic portion. The first insulating pattern portion is provided on the first conductor pattern portion at a side facing the second principal surface, and has a line width less than a line width of the first conductor pattern portion. The first insulating pattern portion overlaps the first conductor pattern portion in plan view as viewed in a lamination direction of the multilayer body.
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公开(公告)号：US20180351240A1
公开(公告)日：2018-12-06
申请号：US16057842
申请日：2018-08-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Noboru KATO , Nobuyuki TENNO
IPC: H01Q1/36 , H01Q1/38 , G06K19/077
CPC classification number: G06K19/077 , H01Q1/24 , H01Q7/00
Abstract: An antenna device includes a base and a coil element that includes a coil conductor, first and second terminals respectively connected to first and second ends of the coil conductor, and third and fourth terminals extended from a secondary coil conductive portion of the coil conductor. First, second, third, and fourth electrodes and a radiating conductor are disposed on the base. The first electrode is connected to the first terminal and links to a power feed circuit. The second electrode is connected to the second terminal and links to the power feed circuit. The third electrode is connected to the third terminal. The fourth electrode is connected to the fourth terminal. The radiating conductor links to the third electrode and the fourth electrode. The coil element and the radiating conductor are magnetically coupled to a communication-partner antenna.
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公开(公告)号：US20180302125A1
公开(公告)日：2018-10-18
申请号：US16010529
申请日：2018-06-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyuki TENNO , Hiromitsu ITO
CPC classification number: H04B5/0081 , H01Q1/22 , H01Q1/243 , H01Q7/00 , H01Q7/06
Abstract: An antenna device includes a first coupling conductor connected to a power supply circuit, a second coupling conductor at least magnetically coupled to the first coupling conductor, a first capacitor connected in series to the second coupling conductor, a second capacitor connected in parallel to a series circuit including the second coupling conductor and the first capacitor, and an electrically conductive member connected to the second capacitor and defining a portion of or the entire closed loop together with the second capacitor. The capacitance of the first capacitor is smaller than the capacitance of the second capacitor.
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