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    • 103. 发明专利
    • Dielectric antenna and wireless communication device
    • 电介质天线和无线通信设备
    • JP2011160368A
    • 2011-08-18
    • JP2010022724
    • 2010-02-04
    • Murata Mfg Co Ltd株式会社村田製作所
    • KOMAKI KUNIHIROATOKAWA SUKEYUKIIZAWA MASAHIROMUKAI TAKESHI
    • H01Q1/38H01Q1/24H01Q21/30
    • H01Q1/38
    • PROBLEM TO BE SOLVED: To constitute a dielectric antenna to obtain a significant property improvement amount with respect to not only efficiency but also a reflection attenuation property at 500 MHz to 5 GHz, and a wireless communication device with the same.
      SOLUTION: A dielectric antenna 101 includes a molded body 10 formed of a composite material of dielectric ceramic and resin, and a flexible substrate 11 with a radiation electrode formed thereon. The composition ratio and the like of the molded body 10 are determined so that the Q value (Qd) thereof generated by a dielectric loss falls within a range of about 500 to about 1,500. The flexible substrate 11 is constituted by forming linear conductors 14, 15 or the like on a PET film. The linear conductors 14, 15 are branched in a branching part 13 near a power feeding part 12 and extend to releasing parts 14p, 15p in parallel with each other. The flexible substrate 11 is bonded to a surface of the molded body 10 by a viscous material or an adhesive agent. The Qd of the viscous material or the adhesive agent is from 10 or larger to 100 or smaller.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了构成相对于不仅效率而且在500MHz至5GHz的反射衰减特性而获得显着的性能改善量的电介质天线,以及具有该电介质天线的无线通信装置。 解决方案:电介质天线101包括由电介质陶瓷和树脂的复合材料形成的成型体10和其上形成有辐射电极的柔性基板11。 确定成型体10的组成比等,使得由介电损耗产生的Q值(Qd)落在约500〜约1500的范围内。 柔性基板11通过在PET膜上形成线状导体14,15等而构成。 直线导体14,15在靠近供电部12的分支部13中分支,并且彼此平行地延伸到释放部14p,15p。 柔性基板11通过粘性材料或粘合剂粘结在成形体10的表面上。 粘性物质或粘合剂的Qd为10以上至100以下。 版权所有(C)2011,JPO&INPIT
    • 104. 发明专利
    • Antenna component
    • 天线组件
    • JP2011160110A
    • 2011-08-18
    • JP2010018942
    • 2010-01-29
    • Dainippon Printing Co Ltd大日本印刷株式会社
    • ARAKI NOBORUOKADA SHINICHIKATSUHARA YASUHIKO
    • H01Q21/29H01Q3/24H01Q7/00H01Q7/08H01Q9/16H01Q9/28H01Q21/24H01Q21/30
    • PROBLEM TO BE SOLVED: To provide an antenna component which can possess directivity in multiple directions and/or cope with a plurality of frequency bands, and thereby contributes to compaction. SOLUTION: The antenna component includes a wiring board having first through fourth wiring layers, first through third insulating layers interposed between these wiring layers, respectively, first through third interlayer connectors which can connect between the wiring layers electrically by penetrating the first through third insulating layers, respectively, wherein a first antenna conductor pattern is formed in the helical shape having an axis in the direction parallel with the first through third insulating layers by using the first wiring layer, the first interlayer connector, the second interlayer connector, and the third interlayer connector, and the fourth wiring layer; and a second antenna conductor pattern is formed in the helical shape, having an axis in the direction intersecting the axis of the first antenna conductor pattern perpendicularly by using the second wiring layer, the second interlayer connector, and the third wiring layer. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种可以在多个方向上具有方向性和/或应对多个频带的天线部件,从而有助于压实。 解决方案:天线部件包括具有第一至第四布线层的布线板,分别介于这些布线层之间的第一至第三绝缘层,第一至第三层间连接器,其可通过穿透第一至第 第三绝缘层,其中通过使用第一布线层,第一层间连接器,第二层间连接器和第一绝缘层,第一天线导体图案形成为具有与第一至第三绝缘层平行的方向的轴的螺旋形状 第三层间连接器和第四布线层; 并且通过使用第二布线层,第二层间连接器和第三布线层,以与垂直于第一天线导体图案的轴线垂直的方向具有轴线的螺旋形状形成第二天线导体图案。 版权所有(C)2011,JPO&INPIT
    • 105. 发明专利
    • Multi-band compatible antenna, and portable radio equipment having the antenna
    • 多带天线兼容天线和便携式无线电设备
    • JP2011155591A
    • 2011-08-11
    • JP2010016943
    • 2010-01-28
    • Nec Corp日本電気株式会社
    • HASHIMOTO DAISUKE
    • H01Q21/30H01Q1/24H01Q13/08
    • PROBLEM TO BE SOLVED: To provide a multi-band compatible antenna which is made compact so as to be housed in portable radio equipment and is adapted to a wide bandwidth. SOLUTION: A first plate-shaped element (High-Band plate-shaped element 15) is formed in a first square shape that can correspond to a first frequency band (high-frequency band) and one side is configured as a first open end part 15p. A second plate-shaped element (Low-Band plate-shaped element 16) is formed in a second square shape that can correspond to a second frequency band (low-frequency band) and one side is configured as a second open end part 16p. The first plate-shaped element (High-Band plate-shaped element 15) and the second plate-shaped element (Low-Band plate-shaped element 16) are arranged on the same plane, and the first open end part 15p and the second open end part 16p are arranged so as to face each other at a predetermined interval. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种紧凑的多频带兼容天线,以便容纳在便携式无线电设备中并且适应于宽带宽。 解决方案:第一板形元件(高频带板状元件15)形成为可对应于第一频带(高频带)的第一正方形,并且一侧被配置为第一 开口部分15p。 第二板状元件(低频带板状元件16)形成为可对应于第二频带(低频带)的第二正方形,并且一侧被配置为第二开口端部16p。 第一板状元件(高频带板状元件15)和第二板状元件(低频带板状元件16)配置在同一平面上,第一开口端部15p和第二板状元件 开放端部16p以规定的间隔相对配置。 版权所有(C)2011,JPO&INPIT
    • 108. 发明专利
    • Radio communication device
    • 无线电通信设备
    • JP2011135307A
    • 2011-07-07
    • JP2009292674
    • 2009-12-24
    • Mitsubishi Electric Corp三菱電機株式会社
    • OKEGAWA HIROKATSUMIYAMAE TAKANOBU
    • H01Q21/30G06K19/07G06K19/077H01Q5/10H01Q7/00
    • PROBLEM TO BE SOLVED: To provide a radio communication device with an RFID tag function, capable of securing the mounting area of each antenna of an LF band or an HF band and a UHF band as large as possible, and being shared by an LF band or HF band RFID system and a UHF band RFID system having a communication distance equal to a communication distance of each device of the LF band or the HF band and the UHF band. SOLUTION: The radio communication device includes a dielectric having one main surface and the other main surface, a coil antenna which is formed on one main surface of the dielectric and to which an IC chip for the coil antenna is connected, a monopole antenna formed on one main surface or the other main surface of the dielectric at the outer periphery of winding configuring the coil antenna and grounded by the coil antenna, an IC chip for the monopole antenna to which power is supplied by the monopole antenna, and a parasitic element pattern formed on one main surface or the other main surface of the dielectric which is a surface opposite to the surface where the monopole antenna is formed and grounded by the coil antenna. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供具有RFID标签功能的无线电通信装置,能够将LF频带或HF频带和UHF频带的每个天线的安装区域尽可能地保持在一起,并被共享 LF频带或HF频带RFID系统和UHF频带RFID系统,其通信距离等于LF频带或HF频带和UHF频带的每个设备的通信距离。 解决方案:无线电通信装置包括具有一个主表面和另一个主表面的电介质,线圈天线形成在电介质的一个主表面上并且连接有用于线圈天线的IC芯片,单极子 形成在构成线圈天线并由线圈天线接地的绕组的外周的电介质的一个主表面或另一主表面上的天线,用于由单极天线供电的单极天线的IC芯片,以及 形成在电介质的一个主表面或另一个主表面上的寄生元件图案,其是与单极天线形成并由线圈天线接地的表面相反的表面。 版权所有(C)2011,JPO&INPIT
    • 109. 发明专利
    • Antenna apparatus and wireless apparatus
    • 天线装置和无线装置
    • JP2011130210A
    • 2011-06-30
    • JP2009286950
    • 2009-12-17
    • Toshiba Corp株式会社東芝
    • ENDO NATSUMISUZUKI HIROMICHI
    • H01Q9/42H01Q1/24H01Q21/29H01Q21/30
    • PROBLEM TO BE SOLVED: To narrow an interval between elements of a folded-type antenna element to contribute to miniaturization and space saving of a wireless apparatus, and to maintain impedance characteristics of an antenna.
      SOLUTION: An antenna apparatus 10 has a folded line from a first feeding point 11 to a first short circuit point 13 via a first folding point 12 as an antenna element. A section from the first feeding point 11 to the first folding point 12 is defined as a first partial element 15. A section from the first folding point 12 to the first short circuit part 13 is defined as a second partial element 16. The first feeding point 11 is connected to a feeding circuit 81 represented by a symbol on a circuit substrate 8 via a feeding pin 17, for example. The first short circuit point 13 is connected to a ground circuit 82 represented by a symbol on the circuit substrate 8 via a short circuit pin 18, for example. An average interval between the first partial element 15 and the second partial element 16 is narrowed to 1/1,000 of an resonance frequency.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:缩小折叠型天线元件的元件之间的间隔以有助于无线设备的小型化和空间节省,并且保持天线的阻抗特性。 解决方案:天线装置10经由作为天线元件的第一折叠点12具有从第一馈电点11到第一短路点13的折叠线。 从第一馈电点11到第一折叠点12的部分被定义为第一部分元件15.从第一折叠点12到第一短路部分13的部分被定义为第二部分元件16.第一馈送 点11例如通过馈电销17连接到由电路基板8上的符号表示的馈电电路81。 第一短路点13例如通过短路引脚18连接到由电路基板8上的符号表示的接地电路82。 第一部分元件15与第二部分元件16之间的平均间隔变窄为共振频率的1/1000。 版权所有(C)2011,JPO&INPIT