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1. 发明授权

US07388500B2 Enhanced mechanism for radio frequency identification reader 有权
标题翻译：射频识别阅读器增强机制
公开(公告)号：US07388500B2
公开(公告)日：2008-06-17
申请号：US11213721
申请日：2005-08-30
申请人： The-Nan Chang
发明人： The-Nan Chang
IPC分类号： G08B13/14
CPC分类号： H01Q1/2216 , G06K7/0008 , G06K7/10316 , H01Q1/22
摘要： The invention relates to an enhanced mechanism for RFID reader which includes: an antenna for receiving a RFID signal transmitted from an object under test and outputting the RFID signal to the RFID reader; a metal plate disposed on an entrance of a building. The metal plate and the object under test are respectively placed on opposite sides of the antenna. The angle between the first metal plate and the second metal plate is from 30 to 180 degrees; therefore the metal plate, the antenna, and the RFID reader provide an enhanced mechanism of a RFID reader.
摘要翻译：本发明涉及一种用于RFID读取器的增强机构，其包括：天线，用于接收从被测对象发送的RFID信号并将RFID信号输出到RFID读取器; 设置在建筑物的入口处的金属板。金属板和被测物体分别放置在天线的相对两侧。第一金属板和第二金属板之间的角度为30至180度; 因此，金属板，天线和RFID读取器提供RFID阅读器的增强机制。

2. 发明申请

US20070035450A1 Dual frequency antenna 审中-公开
标题翻译：双频天线
公开(公告)号：US20070035450A1
公开(公告)日：2007-02-15
申请号：US11267143
申请日：2005-11-07
申请人： The-Nan Chang , Hsu-Hsien Sun
发明人： The-Nan Chang , Hsu-Hsien Sun
IPC分类号： H01Q1/38
CPC分类号： H01Q1/007 , H01Q5/00 , H01Q5/40 , H01Q9/0428 , H01Q9/0457 , H01Q21/30
摘要： The present invention relates to a dual frequency antenna, which integrates a square ring antenna and a patch antenna in order to have a compact circuit area that receives both low and high frequencies, to be used as the antenna of wireless LAN, wherein the wireless LAN is one of the following: IEEE 802.11a, IEEE 802.11b, or IEEE 802.11g.
摘要翻译：本发明涉及一种双频天线，其集成方形环形天线和贴片天线，以便具有接收低频和高频的紧凑电路区域，用作无线LAN的天线，其中无线LAN 是以下之一：IEEE 802.11a，IEEE 802.11b或IEEE 802.11g。

3. 发明授权

US07161539B2 Microstrip reflective array antenna adopting a plurality of U-slot patches 失效
标题翻译：微带反射阵列天线采用多个U形槽片
公开(公告)号：US07161539B2
公开(公告)日：2007-01-09
申请号：US11203373
申请日：2005-08-15
申请人： The-Nan Chang , Yu-Lin Liau
发明人： The-Nan Chang , Yu-Lin Liau
IPC分类号： H01Q1/38
CPC分类号： H01Q19/104 , H01Q9/0414 , H01Q21/065
摘要： The present invention relates to a microstrip reflective array antenna adopting a plurality of U-slot patches. The microstrip reflective array antenna comprises a reflective disk, a horn antenna and a support. The reflective disk is adapted to reflect microwave signals wherein a plurality of square patches are disposed on the upper surface of a first substrate and a plurality of U-slot patches corresponding to the square patches are disposed on the upper surface of a second substrate. In addition, the lower surface of the first substrate is stacked on the upper surface of a second substrate. The horn antenna is adapted to receive the microwave signals from the reflective disk, and the support is adapted to hold the horn antenna directly above the reflective disk.
摘要翻译：微带反射阵列天线技术领域本发明涉及采用多个U槽贴片的微带反射阵列天线。微带反射阵列天线包括反射盘，喇叭天线和支架。反射盘适于反射微波信号，其中在第一基板的上表面上设置多个方形贴片，并且在第二基板的上表面上设置多个与方形贴片对应的U形槽贴片。此外，第一基板的下表面堆叠在第二基板的上表面上。喇叭天线适于从反射盘接收微波信号，并且支撑件适于将喇叭天线直接保持在反射盘上方。

4. 发明申请

US20070236390A1 Dual-band circularly polarized antenna 失效
标题翻译：双频圆极化天线
公开(公告)号：US20070236390A1
公开(公告)日：2007-10-11
申请号：US11487377
申请日：2006-07-17
申请人： The-Nan Chang
发明人： The-Nan Chang
IPC分类号： H01Q1/38
CPC分类号： H01Q1/38 , H01Q1/2208 , H01Q5/385 , H01Q9/0414 , H01Q9/0428
摘要： A dual-band circularly polarized antenna is disclosed, more particularly a dual-band circularly polarized antenna being able to transmit and receive circularly polarized signals at two different frequency bands, simultaneously. The dual-band circularly polarized antenna of the present invention comprises a first polarized radiating element with at least one corner being chamfered, a plurality of second polarized radiating elements with each of the second polarized radiating elements having at least one corner being chamfered, a signal distributor for distributing an electrical signal, a signal coupling unit electrically connecting with the first polarized radiating unit and the signal distributor, and a ground plate. The dual-band circularly polarized antenna of the present invention not only can be manufactured with a low cost, but also has a simpler structure. As a result, the dual-band circularly polarized antenna of the present invention can be easily integrated into the antenna module of an RFID system.
摘要翻译：公开了一种双频带圆极化天线，更具体地说是一种能够同时在两个不同频带发射和接收圆偏振信号的双频带圆极化天线。本发明的双频带圆极化天线包括具有至少一个角部被倒角的第一偏振辐射元件，多个第二偏振辐射元件，其中每个第二偏振辐射元件具有至少一个角部被倒角，信号用于分配电信号的分配器，与第一偏振辐射单元和信号分配器电连接的信号耦合单元和接地板。本发明的双频带圆极化天线不仅可以以低成本制造，而且结构更简单。结果，本发明的双频带圆极化天线可以容易地集成到RFID系统的天线模块中。

5. 发明授权

US07271768B2 Circularly polarized array antenna 有权
标题翻译：圆极化阵列天线
公开(公告)号：US07271768B2
公开(公告)日：2007-09-18
申请号：US11229544
申请日：2005-09-20
申请人： The-Nan Chang , Ko-Han Lu
发明人： The-Nan Chang , Ko-Han Lu
IPC分类号： H01Q1/38 , H01Q13/10
CPC分类号： H01Q21/0075 , H01Q9/0428 , H01Q9/0457 , H01Q21/065
摘要： The invention relates to a circularly polarized array antenna for receiving and transmitting a circularly polarized signal. The circularly polarized array antenna comprises: a plurality of circularly polarized antennas with phase shift mechanism for receiving circularly polarized signals and transmitting the circularly polarized signals; a plurality of power lines which differ from each other in length and are coupled to the circularly polarized antennas respectively; and a power divider coupled to the power lines for receiving the circularly polarized signals. Wherein each of the circularly polarized antennas comprises a plurality of antenna elements and each comprises a microstrip antenna and a slot coupling apparatus.
摘要翻译：本发明涉及一种用于接收和发送圆偏振信号的圆极化阵列天线。圆偏振阵列天线包括：多个具有相移机构的圆极化天线，用于接收圆偏振信号并传输圆偏振信号; 分别与圆极化天线耦合的多条电力线，其长度彼此不同; 以及耦合到电力线的功率分配器，用于接收圆偏振信号。其中，每个圆极化天线包括多个天线元件，并且每个包括微带天线和槽耦合装置。

6. 发明申请

US20060132359A1 Circularly polarized array antenna 有权
标题翻译：圆极化阵列天线
公开(公告)号：US20060132359A1
公开(公告)日：2006-06-22
申请号：US11229544
申请日：2005-09-20
申请人： The-Nan Chang , Ko-Han Lu
发明人： The-Nan Chang , Ko-Han Lu
IPC分类号： H01Q1/38
CPC分类号： H01Q21/0075 , H01Q9/0428 , H01Q9/0457 , H01Q21/065
摘要： The invention relates to a circularly polarized array antenna for receiving and transmitting a circularly polarized signal. The circularly polarized array antenna comprises: a plurality of circularly polarized antennas with phase shift mechanism for receiving circularly polarized signals and transmitting the circularly polarized signals; a plurality of power lines which differ from each other in length and are coupled to the circularly polarized antennas respectively; and a power divider coupled to the power lines for receiving the circularly polarized signals. Wherein each of the circularly polarized antennas comprises a plurality of antenna elements and each comprises a microstrip antenna and a slot coupling apparatus.
摘要翻译：本发明涉及一种用于接收和发送圆偏振信号的圆极化阵列天线。圆偏振阵列天线包括：多个具有相移机构的圆极化天线，用于接收圆偏振信号并传输圆偏振信号; 分别与圆极化天线耦合的多条电力线，其长度彼此不同; 以及耦合到电力线的功率分配器，用于接收圆偏振信号。其中，每个圆极化天线包括多个天线元件，并且每个包括微带天线和槽耦合装置。

7. 发明授权

US07026998B2 Stacked microstrip reflect array antenna 失效
标题翻译：堆叠微带反射阵列天线
公开(公告)号：US07026998B2
公开(公告)日：2006-04-11
申请号：US10867776
申请日：2004-06-16
申请人： The-Nan Chang , Hong-Ru Su
发明人： The-Nan Chang , Hong-Ru Su
IPC分类号： H01Q1/38
CPC分类号： H01Q21/065 , H01Q1/38 , H01Q3/46
摘要： A stacked microstrip reflect array antenna includes a circular disk for reflecting a remote communication signal; an antenna for receiving the communication signal reflected by the circular disk and sending another communication signal to the circular disk to be reflected; and a fixing frame for fixing the antenna on a first plane of the circular disk; wherein the first plane has a plurality of array squares, every array square has a plurality of first array elements and a second array element, the plurality of first array elements are mounted on a top surface of the first plane and the second array element is mounted on a bottom surface of the first plane at a position corresponding to a center of the plurality of first array elements.
摘要翻译：叠层微带反射阵列天线包括用于反射远程通信信号的圆盘; 用于接收由圆盘反射的通信信号并向圆盘发送另一个通信信号以被反射的天线; 以及用于将所述天线固定在所述圆盘的第一平面上的固定框架; 其中所述第一平面具有多个阵列正方形，每个阵列正方形具有多个第一阵列元件和第二阵列元件，所述多个第一阵列元件安装在所述第一平面的顶表面上，并且所述第二阵列元件被安装在与所述多个第一阵列元件的中心对应的位置处的所述第一平面的底表面上。

8. 发明申请

US20050088354A1 Dual operational frequency slot antenna 失效
标题翻译：双工作频率天线
公开(公告)号：US20050088354A1
公开(公告)日：2005-04-28
申请号：US10978585
申请日：2004-11-02
申请人： The-Nan Chang
发明人： The-Nan Chang
IPC分类号： H01Q1/38 , H01Q5/00 , H01Q5/357 , H01Q13/10 , H01Q13/16
CPC分类号： H01Q13/16 , H01Q1/38 , H01Q5/357
摘要： A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.
摘要翻译：用于从卫星接收/发射无线信号或用于在RFID系统中接收/发送无线信号的双工作频率缝隙天线包括两个L型时隙天线和印刷电路馈线，用于接收和发送双工作频率的圆偏振辐射。

9. 发明申请

US20100066621A1 Ultra wideband antenna with band-notched characteristics 有权
标题翻译：超宽带天线具有带隙特性
公开(公告)号：US20100066621A1
公开(公告)日：2010-03-18
申请号：US12314398
申请日：2008-12-10
申请人： The-Nan Chang , Min-Chi Wu
发明人： The-Nan Chang , Min-Chi Wu
IPC分类号： H01Q13/10
CPC分类号： H01Q9/40 , H01Q5/28 , H01Q5/378 , H01Q13/10
摘要： The invention relates to an ultra wideband antenna with band-notched characteristics, particularly to an ultra wideband antenna capable of suppressing transmission and reception in a particular frequency range. The ultra wideband antenna includes: a substrate; a grounding unit, installed on the substrate and scooped with a first slot and a first strip hole; a signal feeding unit, installed on the substrate and including a horizontal portion and a vertical portion, in which the horizontal portion is located in the first slot and the vertical portion is located in the first strip hole; a first complementary, separate, circular resonator; and a second complementary, separate, circular resonator, wherein the first complementary, separate, circular resonator and the second complementary, separate, circular resonator are installed in the horizontal portion of the signal feeding unit and are connected with each other.
摘要翻译：本发明涉及具有带隙缺陷特性的超宽带天线，特别涉及能够抑制特定频率范围内的发射和接收的超宽带天线。超宽带天线包括：基板; 接地单元，安装在基板上并用第一槽和第一带孔舀取; 信号馈送单元，安装在基板上，并且包括水平部分和垂直部分，水平部分位于第一槽中，垂直部分位于第一条形孔中; 第一个互补的，分离的圆形谐振器; 以及第二互补的分离的圆形谐振器，其中所述第一互补的，分离的圆形谐振器和所述第二互补的分离的圆形谐振器安装在所述信号馈送单元的水平部分中并且彼此连接。

10. 发明授权

US07382320B2 Circularly polarized antenna 有权
标题翻译：圆极化天线
公开(公告)号：US07382320B2
公开(公告)日：2008-06-03
申请号：US11493017
申请日：2006-07-24
申请人： The-Nan Chang , Chun-Ming Lin
发明人： The-Nan Chang , Chun-Ming Lin
IPC分类号： H01Q1/38
CPC分类号： H01Q9/0428 , H01Q1/2216 , H01Q9/0457
摘要： The present invention relates to a circularly polarized antenna and, more particularly, to a compact circularly polarized antenna for transmitting and receiving a circularly polarized signal. The circularly polarized antenna comprises a substrate having an upper surface and a lower surface; a signal distributor; an antenna for transmitting and receiving the circularly polarized signal; and a plurality of support units. The upper surface of the substrate comprises a plurality of slots. One end of each slot overlaps with the respective ends of the other slots at a central region. The lower surface of the substrate comprises a coupling unit being electrically connected with the signal distributor, and the center of the coupling unit corresponds to the central region.
摘要翻译：圆极化天线技术领域本发明涉及圆极化天线，更具体地，涉及用于发送和接收圆偏振信号的紧凑圆极化天线。圆极化天线包括具有上表面和下表面的基板; 信号分配器; 用于发送和接收圆偏振信号的天线; 和多个支撑单元。基板的上表面包括多个槽。每个狭槽的一端在中央区域与其它槽的相应端重叠。基板的下表面包括与信号分配器电连接的耦合单元，耦合单元的中心对应于中心区域。

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