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    • 147. 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。
    • 148. 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。
    • 150. 发明申请
    • ANTENNA DEVICE AND COMMUNICATION DEVICE
    • 天线装置和通信装置
    • US20120200167A1
    • 2012-08-09
    • US13361435
    • 2012-01-30
    • Katsuhisa OriharaSatoru SugitaNorio SaitoMasayoshi Kanno
    • Katsuhisa OriharaSatoru SugitaNorio SaitoMasayoshi Kanno
    • H01F38/14
    • H01Q7/06G06K19/0773G06K19/07749H01F27/008H01Q9/27
    • An antenna device that is able to maintain the resonance frequency approximately constant despite changes in temperature to provide for stabilized communication is provided. The 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.
    • 提供了尽管温度变化以提供稳定通信的能够使谐振频率保持恒定的天线装置。 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。