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1. 发明申请

US20080136548A1 IMPEDANCE MATCHING DEVICE OF SENSOR NODE AND IMPEDANCE MATCHING METHOD OF SENSOR NODE 审中-公开
标题翻译：传感器节点的阻抗匹配装置和传感器节点的阻抗匹配方法
公开(公告)号：US20080136548A1
公开(公告)日：2008-06-12
申请号：US11860388
申请日：2007-09-24
申请人： Juderk PARK , Nae-soo Kim , Cheol Sig Pyo
发明人： Juderk PARK , Nae-soo Kim , Cheol Sig Pyo
IPC分类号： H03H7/38
CPC分类号： H03H7/40
摘要： Provided are an impedance matching device of a sensor node and an impedance matching method of a sensor node. The impedance matching device comprises: a variable impedance matching unit disposed between a transmission unit, which is used for modulating a received signal to a radio frequency (RF) signal and outputting the RF signal, and an antenna and including a plurality of impedance matching circuits which have different impedance values from each other; a signal intensity measuring unit which measures the intensity of an output signal that is output through the variable impedance matching unit; and a control unit which controls one of the impedance matching circuits of the variable impedance matching unit to have an impedance value that maximizes the intensity of the output signal. Accordingly, impedance between the transmission unit and the antenna of the sensor node is adjusted when the impedance varies due to the environment in which the sensor node is used, and thus the transmission efficiency of the sensor node is improved. Consequently, a limited power source of the sensor node can be used for a longer duration, the sensor node can be connected to other sensor nodes more successfully, and the communication reliability of the sensor node can be secured.
摘要翻译：提供传感器节点的阻抗匹配装置和传感器节点的阻抗匹配方法。阻抗匹配装置包括：可变阻抗匹配单元，设置在用于将接收信号调制到射频（RF）信号并输出RF信号的传输单元之间，以及包括多个阻抗匹配电路的天线它们彼此具有不同的阻抗值; 信号强度测量单元，其测量通过可变阻抗匹配单元输出的输出信号的强度; 以及控制单元，其控制可变阻抗匹配单元的阻抗匹配电路之一以具有使输出信号的强度最大化的阻抗值。因此，当阻抗由于使用传感器节点的环境而变化时，传感器节点的传输单元和天线之间的阻抗被调整，因此提高了传感器节点的传输效率。因此，传感器节点的有限电源可以使用更长的时间，传感器节点可以更成功地连接到其他传感器节点，并且可以确保传感器节点的通信可靠性。

2. 发明申请

US20100277370A1 APPARATUS AND METHOD FOR CONTROLLING RADIATION DIRECTION 有权
标题翻译：用于控制辐射方向的装置和方法
公开(公告)号：US20100277370A1
公开(公告)日：2010-11-04
申请号：US12747506
申请日：2008-11-17
申请人： Juderk Park , Sang-Joon Park , Cheol-Sig Pyo , Jong-Suk Chae
发明人： Juderk Park , Sang-Joon Park , Cheol-Sig Pyo , Jong-Suk Chae
IPC分类号： H01Q3/00
CPC分类号： H01Q19/32 , H01Q3/44
摘要： Provided are an apparatus and method for controlling a radiation direction. The apparatus includes parasitic elements disposed in proximity to the antenna, wherein each of the parasitic elements comprises an antenna; a first portion that is inclined with respect to a prepared ground surface at a first angle and a second portion that is inclined with respect to the first portion at a second angle; a lumped element having a variable reactance, which is disposed on each of the first and second portions; and a determination unit controlling the reactance of the lumped element so as to determine the radiation direction of the antenna. By using the apparatus and the method, the antenna has various radiation directions.
摘要翻译：提供了一种用于控制辐射方向的装置和方法。该装置包括设置在天线附近的寄生元件，其中每个寄生元件包括天线; 第一部分，相对于准备好的接地表面以第一角度倾斜;第二部分以第二角度相对于第一部分倾斜; 具有可变电抗的集总元件，其设置在第一和第二部分中的每一个上; 以及确定单元，其控制所述集总元件的电抗，以便确定所述天线的辐射方向。通过使用该装置和方法，天线具有各种辐射方向。

3. 发明申请

US20060001573A1 Radiation device for planar inverted f antenna 失效
标题翻译：平面倒F天线辐射装置
公开(公告)号：US20060001573A1
公开(公告)日：2006-01-05
申请号：US10526078
申请日：2003-08-28
申请人： Byung Kim , Juderk Park , Hyung Chol , Jong-Suk Chae
发明人： Byung Kim , Juderk Park , Hyung Chol , Jong-Suk Chae
IPC分类号： H01Q1/24
CPC分类号： H01Q1/243 , H01Q9/0421
摘要： A radiation patch having a shape of linearly-tapered rectangle for a planar inverted F antenna is disclosed. The planar inverted F antenna having a radiation patch includes: a ground unit for grounding a radiation patch; a short unit for shorting the radiation patch; a feeding unit for supplying an electric power to the radiation patch; and a radiation patch for radiating electric power from the feeding unit, wherein the radiation patch having a shape of linearly tapered rectangle and a length and width of tapered sides of radiation patch is determined according to a resonate frequency. As mentioned above, the present invention can be easier to be designed and provide wider bandwidth by providing a linearly tapered rectangle shape of radiation patch in a planar inverted F antenna.
摘要翻译：公开了一种用于平面倒F天线的具有线性渐变矩形形状的辐射贴片。具有辐射贴片的平面倒F天线包括：用于接地辐射贴片的接地单元; 用于短路辐射贴片的短单元; 馈电单元，用于向辐射贴片提供电力; 以及用于从馈电单元辐射电力的辐射贴片，其中根据谐振频率确定具有线性渐缩矩形形状的辐射贴片和辐射贴片的锥形侧面的长度和宽度。如上所述，通过在平面倒F天线中提供辐射贴片的线性渐变矩形形状，可以更容易地设计本发明并提供更宽的带宽。

4. 发明授权

US08319686B2 Apparatus and method for controlling radiation direction 有权
标题翻译：用于控制辐射方向的装置和方法
公开(公告)号：US08319686B2
公开(公告)日：2012-11-27
申请号：US12747506
申请日：2008-11-17
申请人： Juderk Park , Sang-Joon Park , Cheol-Sig Pyo , Jong-suk Chae
发明人： Juderk Park , Sang-Joon Park , Cheol-Sig Pyo , Jong-suk Chae
IPC分类号： H01Q3/00 , H01Q19/00 , H01Q19/10
CPC分类号： H01Q19/32 , H01Q3/44
摘要： Provided are an apparatus and method for controlling a radiation direction. The apparatus includes parasitic elements disposed in proximity to the antenna, wherein each of the parasitic elements comprises an antenna; a first portion that is inclined with respect to a prepared ground surface at a first angle and a second portion that is inclined with respect to the first portion at a second angle; a lumped element having a variable reactance, which is disposed on each of the first and second portions; and a determination unit controlling the reactance of the lumped element so as to determine the radiation direction of the antenna. By using the apparatus and the method, the antenna has various radiation directions.
摘要翻译：提供了一种用于控制辐射方向的装置和方法。该装置包括设置在天线附近的寄生元件，其中每个寄生元件包括天线; 第一部分，相对于准备好的接地表面以第一角度倾斜;第二部分以第二角度相对于第一部分倾斜; 具有可变电抗的集总元件，其设置在第一和第二部分中的每一个上; 以及确定单元，其控制所述集总元件的电抗，以便确定所述天线的辐射方向。通过使用该装置和方法，天线具有各种辐射方向。

5. 发明授权

US07345631B2 Radiation device for planar inverted F antenna 失效
标题翻译：平面倒F天线辐射装置
公开(公告)号：US07345631B2
公开(公告)日：2008-03-18
申请号：US10526078
申请日：2003-08-28
申请人： Byung Chan Kim , Juderk Park , Hyung Do Chol , Jong-Suk Chae
发明人： Byung Chan Kim , Juderk Park , Hyung Do Chol , Jong-Suk Chae
IPC分类号： H01Q1/38
CPC分类号： H01Q1/243 , H01Q9/0421
摘要： A radiation patch having a shape of linearly-tapered rectangle for a planar inverted F antenna is disclosed. The planar inverted F antenna having a radiation patch includes: a ground unit for grounding a radiation patch; a short unit for shorting the radiation patch; a feeding unit for supplying an electric power to the radiation patch; and a radiation patch for radiating electric power from the feeding unit, wherein the radiation patch having a shape of linearly tapered rectangle and a length and width of tapered sides of radiation patch is determined according to a resonate frequency. As mentioned above, the present invention can be easier to be designed and provide wider bandwidth by providing a linearly tapered rectangle shape of radiation patch in a planar inverted F antenna.
摘要翻译：公开了一种用于平面倒F天线的具有线性渐变矩形形状的辐射贴片。具有辐射贴片的平面倒F天线包括：用于接地辐射贴片的接地单元; 用于短路辐射贴片的短单元; 馈电单元，用于向辐射贴片提供电力; 以及用于从馈电单元辐射电力的辐射贴片，其中根据谐振频率确定具有线性渐缩矩形形状的辐射贴片和辐射贴片的锥形侧面的长度和宽度。如上所述，通过在平面倒F天线中提供辐射贴片的线性渐变矩形形状，可以更容易地设计本发明并提供更宽的带宽。

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