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    • 43. 发明授权
    • Antenna device and communication device
    • 天线设备和通信设备
    • US09082545B2
    • 2015-07-14
    • US13807068
    • 2011-11-16
    • Satoru SugitaToshiaki YokotaYoshimi TakahashiKatsuhisa Orihara
    • Satoru SugitaToshiaki YokotaYoshimi TakahashiKatsuhisa Orihara
    • H01Q7/08H01F38/14H01Q1/24H01Q7/00H01Q1/00H01Q1/22
    • H01F38/14H01Q1/002H01Q1/2225H01Q1/243H01Q7/00
    • An antenna device, capable of stable communications without increasing a space of the entire device by keeping a resonance frequency substantially constant even if the temperature changes, includes: an antenna circuit having an antenna coil with an electrically connected capacitor; the coil receiving a magnetic field transmitted from a reader/writer at a predetermined oscillation frequency; the circuit becoming communicable when inductively coupled to the reader/writer; and a magnetic sheet formed at a position superposed on the coil to change its inductance, wherein the coil has a temperature characteristic in which the inductance is changed with a temperature change, and the sheet has a temperature characteristic of changing the inductance to achieve a characteristic inverse to the inductance change with the temperature change in a predetermined use temperature range, and substantially matching a resonance frequency of the circuit with the oscillation frequency in the use temperature region.
    • 一种天线装置,其能够通过使谐振频率保持恒定即使温度变化也能够稳定地通信而不增加整个装置的空间,包括:具有电连接电容器的天线线圈的天线电路; 所述线圈以预定的振荡频率接收从读取器/写入器发送的磁场; 当电感耦合到读取器/写入器时,电路变得可通信; 以及形成在叠置在线圈上的位置以改变其电感的磁性片,其中线圈具有其中电感随温度变化而变化的温度特性,并且片具有改变电感以实现特性的温度特性 与电感相反的温度随预定使用温度范围内的温度变化而变化,并且使电路的谐振频率与使用温度区域中的振荡频率基本一致。
    • 47. 发明申请
    • ANTENNA DEVICE AND COMMUNICATION DEVICE
    • 天线设备和通信设备
    • US20130012127A1
    • 2013-01-10
    • US13635997
    • 2011-03-31
    • Katsuhisa OriharaYoshito IkedaNorio SaitoSatoru Sugita
    • Katsuhisa OriharaYoshito IkedaNorio SaitoSatoru Sugita
    • H04B5/00H01Q7/06
    • H01Q1/2208H01Q1/2225H01Q1/2266H01Q1/24H01Q1/243H01Q1/42H01Q7/00
    • The present invention provides a communication device that can reduce a housing of an electronic device in size and thickness when the communication device is built in the electronic device. The communication device includes: an antenna coil (11a) arranged on an outer peripheral portion (134) of a housing (131) surface facing a reader/writer (120) of a mobile phone (130); a magnetic sheet (13) that attracts a magnetic field transmitted from the reader/writer (120) to the antenna coil (11a); and a communication processing unit (12) that is driven by a current flowing in the antenna coil (11a) and performs communication with the reader/writer (120), wherein the magnetic sheet (13) is arranged on the reader/writer (120) side of the antenna coil (11a) at a center portion (132a), and the antenna coil (11a) is arranged on the reader/writer (120) side on an outer periphery (130d) side.
    • 本发明提供一种通信装置,当通信装置内置在电子装置中时,可以减小电子装置的尺寸和厚度的外壳。 通信装置包括:天线线圈(11a),布置在面向移动电话(130)的读取器/写入器(120)的壳体(131)表面的外周部分(134)上; 吸引从读取器/写入器(120)发送到天线线圈(11a)的磁场的磁性片(13); 以及由在天线线圈(11a)中流动的电流驱动并与读取器/写入器(120)进行通信的通信处理单元(12),其中磁片(13)布置在读取器/写入器(120) )侧,天线线圈(11a)在中心部分(132a)处,天线线圈(11a)布置在外周(130d)侧的读/写器(120)侧。
    • 49. 发明授权
    • Antenna apparatus
    • 天线装置
    • US08256684B2
    • 2012-09-04
    • US11922179
    • 2006-06-13
    • Satoru SugitaKeisuke AramakiHiraku Akiho
    • Satoru SugitaKeisuke AramakiHiraku Akiho
    • G06K19/06
    • G06K19/07749G06K19/07779G06K19/07783H01Q1/2225H01Q7/06
    • The present invention provides an antenna apparatus (60) for use in a non-contact type IC card into and from which data can be written and read by an electronic apparatus having a communication function, by virtue of inductive coupling. The antenna apparatus includes a loop coil (61) and a magnetic member (62). The loop coil (61) is produced by winding a conductive wire in a plane and configured to perform the inductive coupling with the electronic apparatus. The magnetic member (62) covers one region (61a) of the loop coil, provided at one side, from one surface of the loop coil, passes through the loop coil, and covers the other region (61b) of the loop coil, provided at the other side, from the other surface of the loop coil.
    • 本发明提供一种用于非接触型IC卡的天线装置(60),通过电感耦合,可以通过具有通信功能的电子设备将数据写入和读取。 天线装置包括环形线圈(61)和磁性构件(62)。 环形线圈(61)通过将导线缠绕在平面中并且被配置为执行与电子设备的电感耦合来制造。 磁性构件(62)覆盖设置在环形线圈的一个表面的一侧的环形线圈的一个区域(61a),通过环形线圈,并覆盖环形线圈的另一个区域(61b),提供 在另一侧,从环形线圈的另一个表面。
    • 50. 发明申请
    • ANTENNA DEVICE AND COMMUNICATION DEVICE
    • 天线设备和通信设备
    • US20120206307A1
    • 2012-08-16
    • US13365773
    • 2012-02-03
    • Katsuhisa OriharaSatoru SugitaNorio SaitoMasayoshi Kanno
    • Katsuhisa OriharaSatoru SugitaNorio SaitoMasayoshi Kanno
    • H01Q1/00
    • G06K19/07749G06K19/0773G06K19/07771H01F27/008H01Q7/06H01Q7/08H01Q9/27
    • An antenna device includes an antenna coil that receives a magnetic field transmitted from a reader/writer and a capacitor. The antenna device also includes a magnetic sheet formed at a face-to-face position with respect to the antenna coil and configured for changing the inductance of the antenna coil. The capacitor has a temperature characteristic in which the capacitance of the capacitor is changed with changes in temperature. The magnetic sheet is formed of a magnetic material having a temperature characteristic in which the inductance of the antenna coil is made to be changed with an opposite sign of change to that of the capacitance of the capacitor that is changed with changes in temperature in the working temperature range. In this manner, the resonance frequency of the antenna circuit in the working temperature range may be brought approximately into coincidence with the oscillation frequency of the reader/writer.
    • 天线装置包括接收从读写器和电容器发送的磁场的天线线圈。 天线装置还包括形成在相对于天线线圈的面对面位置并被配置为改变天线线圈的电感的磁片。 电容器具有温度特性,其中电容器的电容随着温度的变化而改变。 磁性片由具有温度特性的磁性材料形成,其特征在于使天线线圈的电感变化,与电容器的电容变化相反,该电容随着工作温度的变化而变化 温度范围。 以这种方式,天线电路在工作温度范围内的谐振频率可能与读/写器的振荡频率大致一致。