公开(公告)号：US20220245421A1

公开(公告)日：2022-08-04

申请号：US17660073

申请日：2022-04-21

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hiromi MURAYAMA ,  Noboru KATO ,  Noriyuki UEKI ,  Yoichi SAITO ,  Makoto YASUTAKE

IPC: G06K19/077 ,  H01Q7/00

Abstract: An antenna device is provided as a near-field communication antenna device that is configured by arranging a plurality of loop antennas. Each loop antenna includes a plurality of parallel circuits each having a capacitor and a resistance element; and a plurality of looped conductors in a shape of a loop that is divided. The divided looped conductors are connected to each other via the parallel circuits, and the plurality of looped conductors and the plurality of parallel circuits form a loop.

公开(公告)号：US20240354547A1

公开(公告)日：2024-10-24

申请号：US18761778

申请日：2024-07-02

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hiromi MURAYAMA ,  Tsuyoshi SUESADA ,  Yoichi SAITO ,  Noriyuki UEKI

IPC: G06K19/077 ,  G06K19/07 ,  H01Q1/22 ,  H01Q7/00

CPC classification number: G06K19/07794 ,  G06K19/0723 ,  G06K19/07783 ,  G06K19/07786 ,  H01Q1/2208 ,  H01Q7/00

Abstract: An RFID auxiliary antenna is coupled both with an RFID tag antenna provided for an RFID tag attached to an article and with an RFID antenna. The RFID auxiliary antenna includes a conductor loop to be magnetically coupled with the coil antenna, a dipole antenna, and the capacitor which has the capacitance which resonates with the inductance of the conductor loop. This configuration obtains an RFID auxiliary antenna for placing RFID tags and an RFID antenna under a high degree of freedom of a positional relationship, an RFID communication apparatus including such an auxiliary antenna, and an RFID communication system using the RFID communication apparatus.

公开(公告)号：US20220247502A1

公开(公告)日：2022-08-04

申请号：US17660089

申请日：2022-04-21

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Noboru KATO ,  Yoichi SAITO

IPC: H04B17/14 ,  H04B17/318

Abstract: A communication device for communicating with wireless communication devices is provided that includes a shield device defining a plurality of shield spaces arranged along a transport path transporting a sheet on which a plurality of wireless communication devices are arrayed; and a plurality of reader/writer antennas arranged in each of the plurality of shield spaces. Moreover, the plurality of shield spaces are juxtaposed corresponding to an array pitch between the wireless communication devices on the sheet, a part of the shield device is arranged between the plurality of reader/writer antennas, and the plurality of reader/writer antennas are arranged at a side facing a transport surface of the transport path.

公开(公告)号：US20140003007A1

公开(公告)日：2014-01-02

申请号：US13928720

申请日：2013-06-27

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Koji SHIROKI ,  Yoichi SAITO ,  Hiromasa KOYAMA ,  Hirotaka FUJII ,  Noboru KATO

IPC: H01B7/08

CPC classification number: H01B7/08 ,  H01P3/06 ,  H01P3/085

Abstract: A transmission line portion of a flat cable that is bent at a position along the longitudinal direction includes a dielectric element body, a first ground conductor, and a second ground conductor. The dielectric element body includes a signal conductor at the middle position of the thickness direction. The first ground conductor includes elongated conductors and bridge conductors. The elongated conductors are spaced in the width direction of the dielectric element body, and extend in the longitudinal direction. The bridge conductors connect the elongated conductors at spacings along the longitudinal direction. The spacing of bridge conductors across the bending point in a bent portion is smaller than the spacing of adjacent bridge conductors located in a straight portion.

Abstract translation: 扁平电缆的沿着纵向位置弯曲的传输线部分包括电介质元件本体，第一接地导体和第二接地导体。 电介质元件主体包括在厚度方向的中间位置处的信号导体。 第一接地导体包括细长导体和桥导体。 细长导体沿电介质元件主体的宽度方向间隔开，并沿纵向方向延伸。 桥导体沿着纵向方向以间隔连接细长导体。 在弯曲部分中跨越弯曲点的桥导体的间隔小于位于直线部分中的相邻桥导体的间隔。

公开(公告)号：US20250055176A1

公开(公告)日：2025-02-13

申请号：US18930062

申请日：2024-10-29

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshinori YAMAWAKI ,  Noboru KATO ,  Ryosuke WASHIDA ,  Yoichi SAITO ,  Masaki KASAI

IPC: H01Q1/22 ,  H01Q1/02 ,  H01Q9/06

Abstract: An electronic component module includes a first substrate, a coupling electrode and a second substrate. The coupling electrode is provided on a first surface of the first substrate, the coupling electrode is configured to be electromagnetically coupled with a conductor pattern on an antenna member. The second substrate is provided on the first surface of the first substrate, the second substrate covers the coupling electrode. A first thermal resistance between the coupling electrode and the second substrate is smaller than a second thermal resistance between the coupling electrode and the first substrate.

公开(公告)号：US20220269872A1

公开(公告)日：2022-08-25

申请号：US17742950

申请日：2022-05-12

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hiromi MURAYAMA ,  Noboru KATO ,  Yoichi SAITO ,  Noriyuki UEKI ,  Makoto YASUTAKE

IPC: G06K7/10 ,  H01Q1/22 ,  H01Q7/00 ,  G06K19/077

Abstract: An RFID auxiliary antenna device is provided on an article that is adjacent to an RFID tag to be communicated or accommodates the RFID tag. The RFID auxiliary antenna device includes a conductive pattern that circles the article. A capacitance component generated between conductive patterns and an inductance component of the conductive pattern configure a resonant circuit. A resonant frequency of the resonant circuit is equal to or substantially equal to a communication frequency of the RFID tag, and the RFID auxiliary antenna device is magnetically coupled to each of the RFID tag and a reader/writer.

公开(公告)号：US20160351514A1

公开(公告)日：2016-12-01

申请号：US15234227

申请日：2016-08-11

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Naoto IKEDA ,  Shunji MANDAI ,  Yoichi SAITO

IPC: H01L23/66 ,  H01L23/00 ,  H01L21/48 ,  H01L23/498 ,  H01L23/31

CPC classification number: H01L23/66 ,  G06K19/077 ,  H01L21/4853 ,  H01L23/3107 ,  H01L23/49811 ,  H01L23/49822 ,  H01L23/49833 ,  H01L23/49838 ,  H01L24/13 ,  H01L24/16 ,  H01L24/17 ,  H01L24/81 ,  H01L2223/6677 ,  H01L2224/13144 ,  H01L2224/13294 ,  H01L2224/133 ,  H01L2224/16225 ,  H01L2224/16227 ,  H01L2224/16265 ,  H01L2224/81192 ,  H01L2224/81205 ,  H01L2224/81815 ,  H01L2924/1421 ,  H01L2924/19041 ,  H01L2924/19042 ,  H01L2924/19102 ,  H01L2924/19105 ,  H01L2924/19106 ,  H01Q1/2208 ,  H01Q7/00 ,  H01L2924/00014 ,  H01L2924/014

Abstract: A wireless IC device includes an element body including first and second principal surfaces, an RFIC element buried in the element body, and an antenna coil disposed in the element body. The antenna coil includes a first wiring pattern provided on the second principal surface, a first metal pin reaching the first principal surface and the second principal surface, a second metal pin reaching the first principal surface and the second principal surface, and a second wiring pattern provided on the first principal surface. Terminal surfaces of the first input/output terminal and the second input/output terminal of the RFIC element face the second principal surface of the element body and are spaced away from the antenna coil while being connected to the first wiring pattern through first and second conductors extending from the second principal surface of the element body in a direction of the first primary surface.

Abstract translation: 无线IC器件包括包括第一和第二主表面的元件本体，埋在元件体中的RFIC元件和设置在元件体中的天线线圈。 天线线圈包括设置在第二主表面上的第一布线图案，到达第一主表面和第二主表面的第一金属针，到达第一主表面和第二主表面的第二金属针，以及第二布线图案 提供在第一主表面上。 RFIC元件的第一输入/输出端子和第二输入/输出端子的端子表面面向元件主体的第二主表面，并且通过第一和第二导体与天线线圈间隔开，同时连接到第一布线图案 从元件主体的第二主表面沿第一主表面的方向延伸。

公开(公告)号：US20150302290A1

公开(公告)日：2015-10-22

申请号：US14686894

申请日：2015-04-15

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoichi SAITO

IPC: G06K19/077 ,  H01L23/66 ,  H01L21/52 ,  H01L23/498

CPC classification number: G06K19/07752 ,  G06K19/07722 ,  G06K19/07786 ,  H01L21/52 ,  H01L23/145 ,  H01L23/3128 ,  H01L23/4985 ,  H01L23/66 ,  H01L24/16 ,  H01L2223/6677 ,  H01L2224/16225 ,  H01L2924/1421 ,  H01L2924/15311 ,  H01L2924/15787 ,  H01L2924/1579

Abstract: An antenna conductor and a reinforcing layer are provided on an upper surface and a lower surface, respectively, of a flexible base film. An RFIC element is mounted on the upper surface of the base film. Two I/O terminals provided on the RFIC element are each connected to meander patterns of the antenna conductor. In a plan view, the reinforcing layer has a circular contour, and the RFIC element is surrounded by the contour of the reinforcing layer. The two I/O terminals provided on the RFIC element are exposed on the upper surface of the base film. Breakage of the connected portion between the RFIC element and the antenna conductor is prevented, and any breakage that has occurred is easily identified.

Abstract translation: 天线导体和增强层分别设置在柔性基底膜的上表面和下表面上。 RFIC元件安装在基膜的上表面上。 设置在RFIC元件上的两个I / O端子各自连接到天线导体的曲折图案。 在平面图中，加强层具有圆形轮廓，并且RFIC元件被加强层的轮廓包围。 设置在RFIC元件上的两个I / O端子在基膜的上表面上露出。 防止RFIC元件与天线导体之间的连接部分的断裂，容易识别发生的任何断裂。

公开(公告)号：US20190173208A1

公开(公告)日：2019-06-06

申请号：US16266156

申请日：2019-02-04

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Jun SASAKI ,  Yoichi SAITO ,  Takahiro BABA ,  Fumie MATSUDA ,  Yoshitomo TANAKA

IPC: H01R12/71 ,  H01P3/08 ,  H01P11/00

Abstract: A module includes a multilayer body that includes insulating-resin base members laminated together, first and second main surfaces, and first and second regions when viewed in plan view. A first conductor pattern and a protective film that covers the first conductor pattern are provided in the first region of the first main surface. Second conductor patterns and holes that extend to the second conductor patterns are provided in the second region of the multilayer body. The holes are provided with conductive joining materials, and connectors are connected to the second conductor patterns by the conductive joining materials.

公开(公告)号：US20140184359A1

公开(公告)日：2014-07-03

申请号：US14196269

申请日：2014-03-04

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Kanto IIDA ,  Yoichi SAITO ,  Satoshi SASAKI ,  Noboru KATO

IPC: H01P3/08

CPC classification number: H01P3/082 ,  H05K1/0225 ,  H05K1/025 ,  H05K1/0271 ,  H05K1/028 ,  H05K1/115 ,  H05K1/162 ,  H05K2201/09709 ,  H05K2201/09727 ,  H05K2201/09845

Abstract: A high-frequency signal transmission line includes a flexible body including a plurality of insulating layers. A linear signal line is located in or on the body. A first ground conductor is located opposite to the signal line via at least one of the insulating layers. A second ground conductor extends along the signal line. An interlayer connection portion that connects the first ground conductor and the second ground conductor includes a plurality of interlayer connection conductors individually pierced in some of the insulating layers and connected to each other. The plurality of interlayer connection conductors includes two interlayer connection conductors that are pierced in adjacent ones of the insulating layers with respect to a layer-stacking direction and that have central axes located in different positions when viewed from the layer-stacking direction.

Abstract translation: 高频信号传输线包括具有多个绝缘层的柔性主体。 线性信号线位于身体中或身上。 第一接地导体经由至少一个绝缘层位于与信号线相对的位置。 第二个接地导体沿信号线延伸。 连接第一接地导体和第二接地导体的层间连接部分包括在一些绝缘层中分别刺穿并彼此连接的多个层间连接导体。 多个层间连接导体包括两层层间连接导体，其相对于层堆叠方向在相邻的绝缘层中被刺穿，并且当从层堆叠方向观察时具有位于不同位置的中心轴。