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公开(公告)号：US07070101B2
公开(公告)日：2006-07-04
申请号：US10885723
申请日：2004-07-08
IPC分类号： G06K7/08
CPC分类号： G06K7/10336 , G06K7/10316
摘要： To provide a loop antenna capable of attenuating the distant electric field with the attenuation of the magnetic flux in the vicinity of an electromagnetic wave restrained, and a contactless IC card read/write apparatus.A loop antenna 10 has an electromagnetic wave shield 1 over at least one side of the loop antenna, the electromagnetic wave shield 1 comprising a plurality of electric conductors 2, a ground contact 3 for grounding the plurality of electric conductors and a lead wire 4 for connecting the plurality of electric conductors 2 to the ground contact 3. The plurality of electric conductors 2 are electrically connected via the lead wire 4 to the ground contact 3 and the plurality of electric conductors 2 are arranged so that the paths of the respective electric conductors 2 from any of their given points to the ground contact 3 via the lead wire 4 are determined uniformly.
摘要翻译： 提供能够衰减受限制的电磁波附近的磁通的衰减的远距离电场的环形天线，以及非接触式IC卡读写装置。 环形天线10在环形天线的至少一侧具有电磁波屏蔽1，电磁波屏蔽1包括多个电导体2，用于使多个电导体接地的接地触头3和用于 将多个电导体2连接到接地触点3.多个电导体2经由引线4电连接到接地触点3，并且多个电导体2被布置成使得各个导体 均匀地确定了从它们给定的点到任何一个通过引线4到达接地触头3的2。
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公开(公告)号：US20050006473A1
公开(公告)日：2005-01-13
申请号：US10885723
申请日：2004-07-08
CPC分类号： G06K7/10336 , G06K7/10316
摘要： To provide a loop antenna capable of attenuating the distant electric field with the attenuation of the magnetic flux in the vicinity of an electromagnetic wave restrained, and a contactless IC card read/write apparatus. A loop antenna 10 has an electromagnetic wave shield 1 over at least one side of the loop antenna, the electromagnetic wave shield 1 comprising a plurality of electric conductors 2, a ground contact 3 for grounding the plurality of electric conductors and a lead wire 4 for connecting the plurality of electric conductors 2 to the ground contact 3. The plurality of electric conductors 2 are electrically connected via the lead wire 4 to the ground contact 3 and the plurality of electric conductors 2 are arranged so that the paths of the respective electric conductors 2 from any of their given points to the ground contact 3 via the lead wire 4 are determined uniformly.
摘要翻译： 提供能够衰减受限制的电磁波附近的磁通的衰减的远距离电场的环形天线，以及非接触式IC卡读写装置。 环形天线10在环形天线的至少一侧具有电磁波屏蔽1，电磁波屏蔽1包括多个电导体2，用于使多个电导体接地的接地触头3和用于 将多个电导体2连接到接地触点3.多个电导体2经由引线4电连接到接地触点3，并且多个电导体2被布置成使得各个导体 均匀地确定了从它们给定的点到任何一个通过引线4到达接地触头3的2。
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公开(公告)号：US07457637B2
公开(公告)日：2008-11-25
申请号：US10878393
申请日：2004-06-29
IPC分类号： H04M1/00
CPC分类号： G06K7/10336 , G06K7/0008 , G06K7/10316
摘要： The object of the invention is to provide a noncontact IC card reader/writer integrated with an antenna that does not require the limitation of an installation location and the adjustment of a resonance frequency of the antenna, is convenient in installation, is provided with a stable characteristic, is small-sized and low-priced. To achieve the object, the invention is provided with a loop antenna that supplies electric power and send data to a noncontact IC card by electromagnetic induction and acquires receive data from the noncontact IC card by load fluctuation, a magnetic body arranged closely at the back of the loop antenna, a first metallic plate arranged on the back side of the magnetic body and a second metallic plate arranged on the back side of the first metallic plate and larger than the first metallic plate in size.
摘要翻译： 本发明的目的是提供一种与天线集成的非接触式IC卡读/写器，其不需要限制安装位置和调整天线的谐振频率，安装方便，具有稳定的 特色，是小而低价。 为了实现该目的，本发明提供一种环形天线，其提供电力并通过电磁感应向非接触式IC卡发送数据，并通过负载波动从非接触式IC卡获取接收数据， 环形天线，布置在磁体的背侧的第一金属板和布置在第一金属板的背面上的大于第一金属板的第二金属板。
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公开(公告)号：US20050057422A1
公开(公告)日：2005-03-17
申请号：US10929449
申请日：2004-08-31
IPC分类号： G06K17/00 , G06K7/08 , H01Q1/22 , H01Q1/52 , H01Q7/00 , H01Q19/00 , H01Q19/10 , H01Q21/06 , H01Q21/00
CPC分类号： H01Q1/2216 , G06K7/10178 , G06K7/10336 , H01Q1/22 , H01Q7/00 , H01Q19/005
摘要： The invention is aimed at providing a gate antenna device which expands the distance and range of communication with an IC-integrated medium and improves the accuracy of communication while suppressing power consumption and leakage electric fields. A gate antenna device having a plurality of loop antennas which supplies power and transmission data to an IC-integrated medium through electromagnetic induction and acquires reception data in the form of a fluctuation of a load from the IC-integrated medium. The plurality of loop antennas include a power-fed loop antenna to which a signal current is supplied and a non-power-fed loop antenna to which no signal current is supplied.
摘要翻译： 本发明的目的在于提供一种扩大与IC集成介质的通信距离和范围的门天线装置，提高通信精度，同时抑制电力消耗和泄漏电场。 一种具有多个环形天线的门天线装置，其通过电磁感应向IC集成媒体提供电能和发送数据，并从IC集成媒体获取负载波动形式的接收数据。 多个环形天线包括供给信号电流的供电环形天线和不提供信号电流的非供电环形天线。
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公开(公告)号：US07227504B2
公开(公告)日：2007-06-05
申请号：US10929449
申请日：2004-08-31
CPC分类号： H01Q1/2216 , G06K7/10178 , G06K7/10336 , H01Q1/22 , H01Q7/00 , H01Q19/005
摘要： A gate antenna device has a plurality of loop antennas which supplies power and transmission data to an IC-integrated medium through electromagnetic induction and acquires reception data in the form of a fluctuation of a load from the IC-integrated medium. The plurality of loop antennas include a power-fed loop antenna to which a signal current is supplied and a non-power-fed loop antenna to which no signal current is supplied. The gate antenna device expands the distance and range of communication with an IC-integrated medium and improves the accuracy of communication while suppressing power consumption and leakage electric fields.
摘要翻译： 门天线装置具有多个环形天线，其通过电磁感应向IC集成介质提供电能和发送数据，并以IC集成介质的负载波动的形式获取接收数据。 多个环形天线包括供给信号电流的供电环形天线和不提供信号电流的非供电环形天线。 门天线装置扩大与IC集成介质的通信距离和范围，提高通信精度，同时抑制电力消耗和泄漏电场。
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公开(公告)号：US07182266B2
公开(公告)日：2007-02-27
申请号：US10878633
申请日：2004-06-29
IPC分类号： G06K19/06
CPC分类号： G06K7/0008
摘要： The object of the invention is to provide a small-sized noncontact IC card reader/writer that can enhance the efficiency of an amplifier at a low cost. To achieve the object, in the invention, a loop antenna that supplies electric power and a send signal to a noncontact IC card by electromagnetic induction and acquires a receive signal from the noncontact IC card by load fluctuation, a first resonance circuit for resonating the loop antenna with a desired first frequency, a radio transmitter that supplies electric power and send data to the loop antenna via the first resonance circuit and further, a radio receiver that acquires the receive signal from the loop antenna via a second resonance circuit connected to the loop antenna via a coupling capacitor and resonated with a desired second frequency are provided, the radio transmitter and the radio receiver are respectively connected to CPU, and a low-pass filter for removing a high frequency, a class E amplifier and a modulator are connected to the radio transmitter in series.
摘要翻译： 本发明的目的是提供一种可以以低成本提高放大器的效率的小型非接触式IC卡读写器。 为了实现该目的，本发明是一种环形天线，其通过电磁感应向非接触式IC卡提供电力和发送信号，并通过负载波动从非接触IC卡获取接收信号，第一谐振电路使谐振回路 具有期望的第一频率的天线，经由第一谐振电路提供电力并向环形天线发送数据的无线电发射机，以及经由连接到该环路的第二谐振电路从环形天线获取接收信号的无线电接收机 天线通过耦合电容并以期望的第二频率谐振，无线电发射机和无线电接收机分别连接到CPU，并且用于去除高频的低通滤波器，E类放大器和调制器连接到 无线电发射机串联。
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公开(公告)号：US20050029351A1
公开(公告)日：2005-02-10
申请号：US10878633
申请日：2004-06-29
CPC分类号： G06K7/0008
摘要： The object of the invention is to provide a small-sized noncontact IC card reader/writer that can enhance the efficiency of an amplifier at a low cost. To achieve the object, in the invention, a loop antenna that supplies electric power and a send signal to a noncontact IC card by electromagnetic induction and acquires a receive signal from the noncontact IC card by load fluctuation, a first resonance circuit for resonating the loop antenna with a desired first frequency, a radio transmitter that supplies electric power and send data to the loop antenna via the first resonance circuit and further, a radio receiver that acquires the receive signal from the loop antenna via a second resonance circuit connected to the loop antenna via a coupling capacitor and resonated with a desired second frequency are provided, the radio transmitter and the radio receiver are respectively connected to CPU, and a low-pass filter for removing a high frequency, a class E amplifier and a modulator are connected to the radio transmitter in series.
摘要翻译： 本发明的目的是提供一种可以以低成本提高放大器的效率的小型非接触式IC卡读写器。 为了实现该目的，本发明是一种环形天线，其通过电磁感应向非接触式IC卡提供电力和发送信号，并通过负载波动从非接触IC卡获取接收信号，第一谐振电路使谐振回路 具有期望的第一频率的天线，经由第一谐振电路提供电力并向环形天线发送数据的无线电发射机，以及经由连接到该环路的第二谐振电路从环形天线获取接收信号的无线电接收机 天线通过耦合电容并以期望的第二频率谐振，无线电发射机和无线电接收机分别连接到CPU，并且用于去除高频的低通滤波器，E类放大器和调制器连接到 无线电发射机串联。
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8.发明授权公开(公告)号：US07072613B2
公开(公告)日：2006-07-04
申请号：US11065287
申请日：2005-02-25
IPC分类号： H04B7/185
CPC分类号： G06K7/10346 , G06K7/10079 , G06K7/10316 , G06K7/10336 , G06K7/10356 , H04B7/0802 , H04B7/0837 , H04B7/0871
摘要： This invention is a wireless communication medium processing apparatus which carries out communication with a wireless communication medium, to carry out at least one of reading and writing as to information which was stored in the wireless communication medium, and has a plurality of antenna, a transmission divider which was connected to the plurality of antennas, and a reception compositor which was connected to the plurality of antennas, and is characterized in that the transmission divider divides an inputted signal to output the plurality of antennas, and the reception compositor combines signals from the plurality of antennas and outputs it.
摘要翻译： 本发明是一种无线通信介质处理装置，其与无线通信介质进行通信，对存储在无线通信介质中的信息执行读取和写入中的至少一个，并具有多个天线，传输 连接到多个天线的分频器和连接到多个天线的接收合成器，其特征在于，所述发送分路器分割输入信号以输出所述多个天线，并且所述接收合成器组合来自所述多个天线的信号 多个天线并输出。
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公开(公告)号：US07064716B2
公开(公告)日：2006-06-20
申请号：US10742796
申请日：2003-12-23
CPC分类号： G06K7/10346 , G06K7/10336
摘要： A small thin integrated antenna type non-contact IC card reader/writer includes a loop antenna for supplying electric power and sending data to a non-contact IC card by electromagnetic induction and for acquiring receiving data from the non-contact IC card by a change in the load; a control portion for controlling a resonance matching circuit, wireless sending pjortion and wireless receiving portion; and a control board on which the control portion is mounted. The control board is accommodated in a shielded case, wherein the components are arranged and assembled so that a centr al axis of the loop antenna in the thickness direction and a central axis of the shielded case in the thickness direction can be made to substantially coincide with each other.
摘要翻译： 小型集成天线式非接触式IC卡读写器包括用于提供电力的环形天线，并通过电磁感应向非接触IC卡发送数据，并通过改变从非接触式IC卡获取接收数据 在负载中; 用于控制谐振匹配电路的控制部分，无线发送电路和无线接收部分; 以及安装控制部的控制基板。 控制板容纳在屏蔽壳体中，其中组件被布置和组装，使得环形天线在厚度方向上的中心轴线和屏蔽壳体在厚度方向上的中心轴线可以基本上与 彼此。
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公开(公告)号：US07164344B2
公开(公告)日：2007-01-16
申请号：US10743899
申请日：2003-12-24
IPC分类号： G05B19/00
CPC分类号： H01Q1/2216 , G06K7/0008 , G06K7/08 , G06K19/07 , H01Q1/22 , H01Q1/2208 , H01Q7/00
摘要： A non-contact IC card reading/writing apparatus having a superior reception characteristic includes a loop antenna, a resonant circuit unit, a wireless transmitting unit, and a wireless receiving unit. The resonant circuit unit, the wireless transmitting unit, and the wireless receiving unit are coupled to each other via any one of a directional coupler, a circulator, and an isolator.
摘要翻译： 具有优异接收特性的非接触式IC卡读/写装置包括环形天线，谐振电路单元，无线发送单元和无线接收单元。 谐振电路单元，无线发送单元和无线接收单元通过定向耦合器，循环器和隔离器中的任何一个彼此耦合。
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