Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedence matching method thereof
    31.
    发明申请
    Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedence matching method thereof 有权
    使用电感耦合馈电方法的天线,使用其的RFID标签和天线阻抗匹配方法

    公开(公告)号:US20060158380A1

    公开(公告)日:2006-07-20

    申请号:US11297256

    申请日:2005-12-07

    IPC分类号: H01Q7/00 G08B13/14

    摘要: Provided are an antenna using an inductively coupled feeding method, a Radio Frequency Identification (RFID) tag thereof, and an antenna impedance matching method thereof. The antenna includes a resonator for determining a resonance frequency of the antenna and a feeder for providing an RF signal to an element connected to the antenna. An RFID tag includes an antenna which receives an RF signal from the RFID reader, an RF front-end which rectifies and detects the RF signal, and a signal processor which is connected to the RF front-end. Particularly, the antenna includes a resonator for determining a resonance frequency of an antenna and a feeder for providing the RF signal to the RF front-end, wherein mutual inductive coupling between the resonator and the feeder is performed.

    摘要翻译: 提供了使用电感耦合馈电方法的天线,其射频识别(RFID)标签及其天线阻抗匹配方法。 天线包括用于确定天线的谐振频率的谐振器和用于向连接到天线的元件提供RF信号的馈线。 RFID标签包括从RFID读取器接收RF信号的天线,对RF信号进行整流和检测的RF前端,以及连接到RF前端的信号处理器。 特别地,天线包括用于确定天线的谐振频率的谐振器和用于将RF信号提供给RF前端的馈线,其中执行谐振器和馈线之间的互感耦合。

    PIFA and RFID tag using the same
    32.
    发明申请

    公开(公告)号:US20060145927A1

    公开(公告)日:2006-07-06

    申请号:US11297687

    申请日:2005-12-07

    IPC分类号: H01Q1/38

    摘要: Provided is a planar inverted-F antenna (PIFA) which has a Co-Planar Waveguide (CPW) feeding structure and can be attached to a metal surface, and an RFID tag using the same. The PIFA includes a radiation patch layer; a Co-Planar Waveguide (CPW) feeding layer; a feeding probe; and a short-circuit. The CPW feeding layer includes a feeding means and a ground surface. The feeding probe electrically connects the radiation patch layer and the feeding means and provides a Radio Frequency (RF) signal to be radiated to the radiation patch layer. The short-circuiting means short-circuits the radiation patch layer and the ground surface through the dielectric layer. The PIFA can be applied to a passive RFID tag. Impedance matching between the antenna and the RFID chip is possible. Also, the PIFA can easily control resonant frequency of the antenna and reactance.

    CIRCULARLY POLARIZED ANTENNA WITH WIDE BEAM WIDTH
    33.
    发明申请
    CIRCULARLY POLARIZED ANTENNA WITH WIDE BEAM WIDTH 审中-公开
    具有宽光束宽度的圆形极化天线

    公开(公告)号:US20120162021A1

    公开(公告)日:2012-06-28

    申请号:US13334906

    申请日:2011-12-22

    IPC分类号: H01Q9/04

    CPC分类号: H01Q9/0428 H01Q21/26

    摘要: Disclosed herein is a circularly polarized antenna with a wide beam width, in which four U-shaped metal strips are disposed in a circular shape, and four signals having the same magnitude and phase difference intervals of 90 degrees are fed to the respective metal strips so as to transceive circularly polarized waves. The disclosed circularly polarized antenna includes a ground plane, a central patch formed in the center of an upper surface of the ground plane, and a plurality of radiation patches disposed above the ground plane and around the central patch in a circular shape, wherein signals having the same magnitude and preset phase differences are fed to respective radiation patches.

    摘要翻译: 本文公开了一种具有宽光束宽度的圆极化天线,其中四个U形金属带设置为圆形,并且具有相同的90度的幅度和相位差间隔的四个信号被馈送到相应的金属条,因此 收发圆偏振波。 所公开的圆极化天线包括接地平面,形成在接地平面的上表面中心的中心贴片,以及设置在接地平面上方并围绕中心贴片呈圆形的多个辐射贴片,其中信号具有 将相同的幅度和预设的相位差馈送到相应的辐射贴片。

    TAG ANTENNA USING MICROSTRIP LINE, METHOD OF MANUFACTURING THE SAME AND RADIO FREQUENCY IDENTIFICATION TAG
    34.
    发明申请
    TAG ANTENNA USING MICROSTRIP LINE, METHOD OF MANUFACTURING THE SAME AND RADIO FREQUENCY IDENTIFICATION TAG 失效
    使用微波线的TAG天线,其制造方法和无线电频率识别标签

    公开(公告)号:US20100314453A1

    公开(公告)日:2010-12-16

    申请号:US12688753

    申请日:2010-01-15

    IPC分类号: G06K19/00 H01Q1/38

    摘要: Disclosed is a Radio Frequency Identification (RFID) tag antenna. The tag antenna includes a lower dielectric substrate and an upper dielectric substrate. The lower dielectric substrate is provided at a lower surface thereof with a ground plane and at an upper surface thereof with two microstrip lines. The microstrip lines each have an open-end, the open ends spaced apart from each other from a middle of the lower dielectric substrate while facing each other to form a radiating slot from which radiation of electromagnetic waves occurs. The upper dielectric substrate is provided at an upper surface thereof with at least one electric capacitive device and is stacked on the lower dielectric substrate. The RFID tag antenna enhances radiation efficiency while achieving miniaturization.

    摘要翻译: 公开了射频识别(RFID)标签天线。 标签天线包括下介电基片和上电介质基片。 下电介质基板在其下表面处设置有接地平面,并且在其上表面处设置有两条微带线。 微带线各自具有开口端,开口端彼此间隔开,并且彼此面对,从而形成辐射狭缝,电磁波发生辐射。 上电介质基板在其上表面设置有至少一个电容器件,并且堆叠在下电介质基片上。 RFID标签天线在实现小型化的同时提高了辐射效率。

    PIFA and RFID tag using the same
    36.
    发明授权
    PIFA and RFID tag using the same 有权
    PIFA和RFID标签使用相同

    公开(公告)号:US07504998B2

    公开(公告)日:2009-03-17

    申请号:US11297687

    申请日:2005-12-07

    IPC分类号: H01Q1/38

    摘要: Provided is a planar inverted-F antenna (PIFA) which has a Co-Planar Waveguide (CPW) feeding structure and can be attached to a metal surface, and an RFID tag using the same. The PIFA includes a radiation patch layer; a Co-Planar Waveguide (CPW) feeding layer; a feeding probe; and a short-circuit. The CPW feeding layer includes a feeding means and a ground surface. The feeding probe electrically connects the radiation patch layer and the feeding means and provides a Radio Frequency (RF) signal to be radiated to the radiation patch layer. The short-circuiting means short-circuits the radiation patch layer and the ground surface through the dielectric layer. The PIFA can be applied to a passive RFID tag. Impedance matching between the antenna and the RFID chip is possible. Also, the PIFA can easily control resonant frequency of the antenna and reactance.

    摘要翻译: 提供了具有共平面波导(CPW)馈送结构并且可以附着到金属表面的平面倒F天线(PIFA)和使用其的RFID标签。 PIFA包括辐射贴片层; 共平面波导(CPW)馈电层; 喂食探针; 和短路。 CPW馈送层包括馈送装置和接地表面。 馈送探针将辐射贴片层和馈送装置电连接并提供要辐射到辐射贴片层的射频(RF)信号。 短路装置通过介电层使辐射贴片层和地表面短路。 PIFA可应用于无源RFID标签。 天线和RFID芯片之间的阻抗匹配是可能的。 此外,PIFA可以轻松控制天线的谐振频率和电抗。

    Antenna Using Proximity-Coupling Between Radiation Patch and Short-Ended Feed Line, Rfid Tag Employing the Same, and Antenna Impedance Matching Method Thereof
    38.
    发明申请
    Antenna Using Proximity-Coupling Between Radiation Patch and Short-Ended Feed Line, Rfid Tag Employing the Same, and Antenna Impedance Matching Method Thereof 审中-公开
    使用辐射贴片和短路馈线之间的接近耦合的天线,使用它的Rfid标签和天线阻抗匹配方法

    公开(公告)号:US20080309578A1

    公开(公告)日:2008-12-18

    申请号:US12162069

    申请日:2007-02-01

    IPC分类号: H01Q1/38 H01Q1/50 G08B13/14

    CPC分类号: H01Q1/2208 H01Q9/0421

    摘要: Provided is an antenna based on proximity coupling between a short-ended microstrip feed line and a radiation patch, an RFID tag including the planar antenna, and an antenna impedance matching method thereof. The antenna includes a radiation patch configured to determine a resonant frequency of the antenna; a ground plate disposed in parallel to the radiation patch; and a feeding part disposed between the radiation patch and the ground plate and configured to provide radio frequency signals to a device connected to the antenna. The feeding part includes a feed line that is formed in a resonance length direction of the radiation patch and proximity-coupled with the radiation patch and one end of the feed line is shorted. The antenna freely controls the resistance and reactance of the antenna impedance independently and efficiently matched to a device connected to the antenna which has a predetermined impedance in wide bands.

    摘要翻译: 提供一种基于短路微带馈电线和辐射贴片之间的接近耦合的天线,包括平面天线的RFID标签及其天线阻抗匹配方法。 天线包括被配置为确定天线的谐振频率的辐射贴片; 与辐射贴片平行布置的接地板; 以及馈送部分,设置在辐射贴片和接地板之间并且被配置为向连接到天线的装置提供射频信号。 馈电部分包括沿辐射贴片的谐振长度方向形成的馈电线,并且与辐射贴片接近耦合,馈线的一端短路。 天线自由地控制天线阻抗的电阻和电抗,并且与宽带上具有预定阻抗的连接到天线的设备有效匹配。

    LOW-POWERED RFID TAG AND METHOD OF EXPANDING LIFECYCLE OF RFID TAG
    40.
    发明申请
    LOW-POWERED RFID TAG AND METHOD OF EXPANDING LIFECYCLE OF RFID TAG 审中-公开
    低功率RFID标签和扩展RFID标签生物的方法

    公开(公告)号:US20080136603A1

    公开(公告)日:2008-06-12

    申请号:US11875493

    申请日:2007-10-19

    IPC分类号: H04B7/00

    摘要: A battery-powered RFID tag capable of reducing power consumption and a method of waking up the RFID tag are provided. The battery-powered RFID tag has an activated mode where a general command is detected by decoding a signal received from an RFID tag reader and the general command is executed and a standby mode where the general command is not detected. If a voltage of a continuous wave detected from the signal is equal to or higher than a predetermined voltage or if a wake-up command is detected from the signal, the state of the RFID tag is changed from the standby mode to the activated mode. In addition, the RFID tag is driven by a higher one between the voltage of the continuous wave and a voltage of a built-in battery.

    摘要翻译: 提供了能够降低功耗的电池供电的RFID标签和唤醒RFID标签的方法。 电池供电的RFID标签具有激活模式,其中通过对从RFID标签读取器接收的信号进行解码来检测通用命令,并且执行通用命令以及未检测到通用命令的待机模式。 如果从信号检测到的连续波的电压等于或高于预定电压,或者如果从该信号检测到唤醒命令,则RFID标签的状态从待机模式改变为激活模式。 此外,RFID标签由连续波的电压和内置电池的电压之间的较高驱动。