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1. 发明专利

JP2009170704A Ferrite sintered compact and magnetic material antenna 有权
标题翻译：铁粉烧结紧密和磁性材料天线
公开(公告)号：JP2009170704A
公开(公告)日：2009-07-30
申请号：JP2008007952
申请日：2008-01-17
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： GONDA MASAYUKI , FUJII SHIGEO , AOYAMA HIROSHI
IPC分类号： H01F1/11 , H01Q7/08
摘要： PROBLEM TO BE SOLVED: To provide a ferrite sintered compact with high magnetic permeability and low loss, which exhibits small variations in magnetic permeability even when the sintering temperature varies, and also to provide a small-sized magnetic material antenna suitable for use in a high-frequency band and a broad band. SOLUTION: A ferrite sintered compact is characterized in that it has a Y-type ferrite represented by a formula A 2 M 2 Fe 12 O 22 (wherein A denotes Ba and Sr, and M denotes Co and Zn) as its main phase and an initial permeability at 500 MHz of 4 or more, and that, in cross-sectional observation of the ferrite sintered compact, the area rate of a Ba-Sr rich phase, in which the content ratios of Ba and Sr are higher than that of the Y-type ferrite as the main phase, is less than 1%. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高磁导率和低损耗的铁氧体烧结体，即使烧结温度变化，磁导率的变化也很小，并且还提供适合使用的小尺寸磁性材料天线在高频带和宽带中。解决方案：铁氧体烧结体的特征在于其具有由式A 2 2 Fe 12

2. 发明专利

JP2008072686A Antenna device and multi-band type wireless communication apparatus using the same 有权
标题翻译：天线装置和多带无线通信装置
公开(公告)号：JP2008072686A
公开(公告)日：2008-03-27
申请号：JP2007094051
申请日：2007-03-30
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： TAKAGI YASUNORI , AOYAMA HIROSHI , IDENO HIROTO
IPC分类号： H01Q9/42 , H01Q1/24 , H01Q1/38 , H01Q5/00 , H01Q5/10 , H01Q5/364
摘要： PROBLEM TO BE SOLVED: To provide an antenna device, while saving space, which is capable of operating in wide bands (in a multi-band) and of achieving an excellent gain and maintaining non-directivity of vertically polarized waves in each band. SOLUTION: The antenna device has a conductor antenna 110 of which an end portion 111a on one end side is mounted as a power feeding section and an end portion 112a on the other end side is mounted as an open end terminal, and a substrate 120 disposed between the one end side and the other end side of the conductor antenna and made of an insulating material which is coupled to the one end side and the other end side, wherein the conductor antenna is approximately U-shaped. Thus, the substrate is coupled in a place where an electric field strength of the conductor antenna having a folded-back portion is increased, thus achieving the wideband, high gain and non-directivity of vertically polarized waves even in each band. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供天线装置，同时节省能够在宽带（多频带）中工作的空间，并且在每个天线装置中实现极好的增益并保持垂直极化波的非方向性带。解决方案：天线装置具有导体天线110，其一端侧的端部111a安装为供电部，另一端侧的端部112a作为开放端子安装，基板120设置在导体天线的一端侧和另一端侧之间，并且由连接到一端侧和另一端侧的绝缘材料制成，其中导体天线大致为U形。因此，在具有折回部分的导体天线的电场强度增加的地方，基板被耦合，从而即使在每个波段也实现了垂直极化波的宽带，高增益和非方向性。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007325147A Chip antenna, antenna device, and communication equipment 有权
标题翻译：芯片天线，天线设备和通信设备
公开(公告)号：JP2007325147A
公开(公告)日：2007-12-13
申请号：JP2006155599
申请日：2006-06-05
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： AOYAMA HIROSHI , HAGIWARA HIDETOSHI
IPC分类号： H01Q1/24 , H01Q13/08
CPC分类号： H01Q1/38 , H01Q1/243 , H01Q1/40
摘要： PROBLEM TO BE SOLVED: To provide a chip antenna suitable for efficient mounting in communication equipment, and also to provide the communication equipment using the chip antenna. SOLUTION: There are provided: a first chip antenna element, having a first magnetic substrate and the linear conductor that is provided inside the first magnetic substrate and has at least one end exposed onto the end face of the first magnetic substrate; and a second chip antenna element, having a second magnetic substrate and a linear conductor passing through the second magnetic substrate. The conductors of the first and second chip antenna elements are connected in series to each other by a connection conductor arranged between the first and second chip antenna elements. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供适合于在通信设备中高效安装的芯片天线，并且还提供使用芯片天线的通信设备。提供了：第一芯片天线元件，具有第一磁性基板和设置在第一磁性基板内部并且具有暴露在第一磁性基板的端面上的至少一端的线状导体; 以及第二芯片天线元件，具有第二磁性基板和穿过第二磁性基板的线性导体。第一和第二芯片天线元件的导体通过布置在第一和第二芯片天线元件之间的连接导体彼此串联连接。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2006074750A Antenna device and communication apparatus using the same 有权
标题翻译：天线设备和通信设备使用它
公开(公告)号：JP2006074750A
公开(公告)日：2006-03-16
申请号：JP2005225477
申请日：2005-08-03
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： AOYAMA HIROSHI , TAKAGI YASUNORI
IPC分类号： H01Q1/38 , H01Q1/24
摘要： PROBLEM TO BE SOLVED: To provide an antenna device whose bandwidth is widened and whose average gain is also increased.
SOLUTION: The antenna device includes a chip antenna 10 comprising a first radiation electrode 12 formed on a substrate 11, a feeding electrode 13 connected to one terminal of the first radiation electrode 12 and a terminal electrode 14 to which the other terminal of the first radiation electrode 12 is connected or disconnected, a mounting board 20, and a sub board 25 separately from the mounting board 20. A second radiation electrode 40 formed with a conductor pattern one end of which is connected to or disconnected from the terminal electrode 14 and the other end of which terminal becomes an open terminal 41, is formed on the sub board 25, the chip antenna 10 is mounted on the sub board 25, and by mounting the sub board 25 away from the mounting board 20, a space portion comprised of a void 35 is provided between the second radiation electrode 40 and the chip antenna 10, and the ground portion 21 of the mounting board 20.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供其带宽扩大并且其平均增益也增加的天线装置。解决方案：天线装置包括芯片天线10，其包括形成在基板11上的第一辐射电极12，连接到第一辐射电极12的一个端子的馈电电极13和端子电极14，第一辐射电极12被连接或断开，安装板20和子板25与安装板20分开。形成有导体图案的第二辐射电极40，其一端与端子电极连接或断开 14，另一端成为开放端子41，形成在子板25上，芯片天线10安装在子板25上，并且通过将副板25安装在远离安装板20的位置，在第二辐射电极40和芯片天线10之间设置由空隙35组成的部分和安装板20的接地部分21.版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2004363859A Antenna system, and electronic equipment using the same 有权
公开(公告)号：JP2004363859A
公开(公告)日：2004-12-24
申请号：JP2003159004
申请日：2003-06-04
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： TAKAGI YASUNORI , AOYAMA HIROSHI , KITAMURA KOJI
IPC分类号： H01Q21/28 , H01Q1/24 , H01Q1/38 , H01Q5/10 , H01Q9/42 , H01Q13/08 , H01Q5/01
摘要： PROBLEM TO BE SOLVED: To provide an antenna which is free of mutual interference between a plurality of frequencies, has a wide frequency band, has its directivity and null point further improved, and can be used for multiple bands. SOLUTION: The antenna system is provided with a surface-mounted antenna 70 and a mount substrate 60 on which the surface-mounted antenna 70 is mounted. The surface-mounted antenna 70 has a base body 10 made of at least one of a dielectric material and a magnetic material, a 1st radiation electrode 20a formed on the base body 10, and a feed terminal 40 for applying a voltage to the 1st radiation electrode 20a. At least one Nth radiation electrode (N is an integer of ≥2) connected to the feed terminal 40 through an electrostatic capacitor C2 is arranged one or more of one main surface 60a and the other main surface 60b of the mount substrate. Thereby constituting the antenna system. The electronic equipment uses the antenna system. COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2003110345A ANTENNA ELEMENT AND COMMUNICATION APPARATUS USING THE SAME 审中-公开
公开(公告)号：JP2003110345A
公开(公告)日：2003-04-11
申请号：JP2001295743
申请日：2001-09-27
申请人： HITACHI LTD , HITACHI METALS LTD
发明人： OKABE HIROSHI , TAKEDA ERIKO , AOYAMA HIROSHI , KIKUCHI KEIKO
IPC分类号： H01Q13/08 , H01Q1/24 , H01Q1/36 , H01Q1/38 , H01Q9/42
摘要： PROBLEM TO BE SOLVED: To provide an antenna element which is used for a mobile communication apparatus or the like, and in which radiation efficiency can be improved irrespective of shape of a circuit board conductor and wide bandwidth can be realized, and to provide a communication apparatus using the antenna element. SOLUTION: In this antenna element, a λ/2 radiation electrode which stretches from the central part of a surface of base substance composed of dielectrics in the symmetrical directions is installed on the surface. A ground conducting line is connected with a part in the vicinity of the center of the electrode, a power feed conductor line is connected with a part being isolated a specified distance from the central part, and at least one end portion out of both end portions of the radiation electrode is made an opened end. Impedance matching between the radiation electrode and a high-frequency signal source can be obtained, by adjusting drawing the power feeding conductor line and the ground conductor line.

7. 发明专利

JP2003087033A SURFACE-MOUNTED TYPE ANTENNA AND COMMUNICATIONS EQUIPMENT MOUNTING THE SAME 审中-公开
公开(公告)号：JP2003087033A
公开(公告)日：2003-03-20
申请号：JP2001273858
申请日：2001-09-10
申请人： HITACHI METALS LTD
发明人： TAKAGI YASUNORI , AOYAMA HIROSHI , KIKUCHI KEIKO , HAGIWARA HIDETOSHI
IPC分类号： H01Q1/38 , H01Q1/24 , H01Q1/36 , H01Q9/40
摘要： PROBLEM TO BE SOLVED: To provide a compact surface mount type antenna that has a wide bandwidth. SOLUTION: In the surface-mounted type antenna for arranging a radiation electrode and a feeder electrode in a substrate, the radiation electrode is formed nearly into a V shape or on a diagonal line, and at the same time, one end is grounded and the other end is opened. Further, an isolated electrode or an auxiliary feeder electrode is provided close to the radiation electrode, thus solving the problems of the expansion of the bandwidth and of impedance matching.

8. 发明专利

JP2002368531A Surface mounting type antenna and its production method 审中-公开
标题翻译：表面安装型天线及其生产方法
公开(公告)号：JP2002368531A
公开(公告)日：2002-12-20
申请号：JP2001170981
申请日：2001-06-06
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： MIYATA KAZUFUMI , AOYAMA HIROSHI , TONOMURA KENICHI , HAGIWARA HIDETOSHI
IPC分类号： C04B35/00 , C04B35/111 , C04B35/18 , C04B35/495 , H01P11/00 , H01Q1/38 , H01Q13/08
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive surface mounting type antenna with high performance and to provide its production method. SOLUTION: A radiation electrode, a grounding electrode and a power feeding electrode, etc., are arranged on a substrate chip consisting of a dielectric body in the surface mounting type antenna. The substrate chip is a calcined body which is obtained by molding granulated power adjusted to have a desired composition by using a metallic mold and calcining the resultant molding. The radiation electrode, the grounding electrode and the power feeding electrode, etc., are formed on the surface of the calcined body.
摘要翻译：要解决的问题：提供具有高性能的便宜的表面安装型天线，并提供其制造方法。解决方案：辐射电极，接地电极和馈电电极等布置在由表面安装型天线中的电介质体组成的衬底芯片上。基板芯片是煅烧体，其通过使用金属模具成型通过调整成具有所需组成的颗粒动力并煅烧所得到的模制而获得。辐射电极，接地电极和馈电电极等形成在煅烧体的表面上。

9. 发明专利

JP2002368518A Surface mounting type antenna and communication equipment mounted with the same 审中-公开
标题翻译：表面安装型天线及通讯设备安装
公开(公告)号：JP2002368518A
公开(公告)日：2002-12-20
申请号：JP2001173904
申请日：2001-06-08
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： AOYAMA HIROSHI , HAGIWARA HIDETOSHI , KIKUCHI KEIKO
IPC分类号： H01Q13/08 , H01Q1/22 , H01Q1/38 , H01Q9/40
摘要： PROBLEM TO BE SOLVED: To obtain a surface mounting type antenna where a frequency is easily adjusted and impedance is easily matched and also to provide communication equipment with excellent radiation efficiency and gain, which mounts the antenna.
SOLUTION: In the surface mounting type antenna 1A, a radiation electrode 2A extending from one end of a substrate to the other end in a longitudinal direction while actually narrowing a width continuously and/or step by step is formed at least on the upper surface of the rectangular parallelepiped substrate 1 which consists of a dielectric body. One end of the radiation electrode 2A is connected to a grounding electrode 3 arranged on the end surface of the base and a power feeding electrode 4 connected by non-contact to the radiation electrode 2A is formed on the side surface of the substrate. The antenna is provided with a parallel part 22 where a part near the opening end of the radiation electrode is made to be in parallel with the opening end 40 of the power feeding electrode 4 and the parallel part is proportionally trimmed.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了获得易于调节频率并且阻抗容易匹配的表面安装型天线，并且还提供安装天线的具有优异的辐射效率和增益的通信设备。解决方案：在表面安装型天线1A中，在实质上连续地和/或逐步变窄宽度的同时，沿着纵向方向从基板的一端延伸到另一端的辐射电极2A至少形成在由介电体构成的长方体状基板1。辐射电极2A的一端与布置在基座的端面上的接地电极3连接，并且在基板的侧面形成有与辐射电极2A非接触连接的供电电极4。天线设置有平行部分22，其中靠近辐射电极的开口端的部分与馈电电极4的开口端40平行，并且平行部分被成比例地修整。

10. 发明专利

JP2002271129A ANTENNA ELEMENT AND COMMUNICATIONS EQUIPMENT USING THE SAME 失效
公开(公告)号：JP2002271129A
公开(公告)日：2002-09-20
申请号：JP2001063168
申请日：2001-03-07
申请人： HITACHI LTD , HITACHI METALS LTD
发明人： OKABE HIROSHI , TAKEDA ERIKO , AOYAMA HIROSHI , KIKUCHI KEIKO
IPC分类号： H01Q13/08 , H01Q1/36 , H01Q1/38 , H01Q9/26 , H01Q9/42 , H04B1/38 , H04B1/3822
摘要： PROBLEM TO BE SOLVED: To provide an antenna element to be used for the communications equipment of a traveling object, capable of improving the radiating efficiency and realizing band widening, regardless of the shape of the circuit board conductor by setting excitation at the antenna as being concluded, and to provide communications equipment which uses the antenna element. SOLUTION: This antenna element is provided with two similar radiating conductors extended to symmetric directions from a certain position on the surface of a board constituted of dielectric, and the edge of one radiating conductor near the other radiating conductor is formed as a power feeding edge. The edge of the other radiating conductor near one radiating conductor is formed as a ground edge, and the other edges of the both radiating conductors are formed as open edges. Then, a power feeding conductor connected to the power feeding edge and a ground conductor connected to the ground edge are arranged adjacently on the board, and the impedance of the ground conductor is matched with the input impedance of the power feeding conductor.

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