Impedance matching structure of transmission line in multilayer circuit board

    公开(公告)号:US10440814B2

    公开(公告)日:2019-10-08

    申请号:US16153878

    申请日:2018-10-08

    Inventor: Rong- Fa Kuo

    Abstract: An impedance matching structure is disposed on a multilayer circuit board for matching an impedance of a transmission line for transmitting an electronic signal. At least one redundant conducting section is coupled to a conductive member of the transmission line between input and output terminals of the transmission line. The conductive member and the redundant conducting section are disposed in a corresponding plating hole. At least one grounding member disposed adjacent to but separated from either or both of the conductive member of the transmission line and the at least one redundant conducting section in a capacitor structure for impedance matching. The at least one grounding member includes a first grounding member penetrating through at least two layers of the multilayer circuit board.

    MOBILE NAVIGATION METHOD AND SYSTEM
    102.
    发明申请

    公开(公告)号:US20180031692A1

    公开(公告)日:2018-02-01

    申请号:US15591487

    申请日:2017-05-10

    Inventor: Rong- Fa KUO

    Abstract: A mobile navigation system includes: a radar antenna carried by the vehicle, and emitting first and second sensing beams at first and second time points, respectively; first and second retro-directive antennas or beam-reflecting objects disposed at first and second positions, respectively, and being a specific distance from each other; and a processing device electrically coupled to the radar antenna. The first and second retro-directive antennas or beam-reflecting objects respectively return first and second retro waves corresponding to a direction of the first sensing beam, and respectively return third and fourth retro waves corresponding to a direction of the second sensing beam. The processing device receives the first, second, third and fourth retro waves, and determines a moving direction of the vehicle according to the first, second, third and fourth retro waves and the specific distance.

    SELF-MONITORING TIRE OF VEHICLE
    103.
    发明申请

    公开(公告)号:US20180022172A1

    公开(公告)日:2018-01-25

    申请号:US15361906

    申请日:2016-11-28

    CPC classification number: B60C23/0493 B29D2030/0083 B60C23/0408 B60C23/064

    Abstract: A self-monitoring tire includes a tire body and a tire pressure sensor. The tire body includes a tread rubber for contact with ground, a bead for coupling to a rim, and a sidewall structure including two portions disposed at opposite sides of the tread rubber, and extending from opposite sides of the tread rubber to the bead. The tire pressure sensor is disposed between respective outward surfaces of the two portions of the sidewall structure, and secured on or embedded in either one of the two portions of the sidewall structure.

    IMPEDANCE MATCHING STRUCTURE OF TRANSMISSION LINE

    公开(公告)号:US20170324391A1

    公开(公告)日:2017-11-09

    申请号:US15336991

    申请日:2016-10-28

    Inventor: Rong- Fa KUO

    Abstract: An impedance matching structure is disposed on a circuit board for matching an impedance of a transmission line for transmitting an electronic signal. The structure includes: at least two redundant conducting sections coupled to different points between an input terminal and an output terminal of the transmission line, wherein the redundant conducting sections are apart from one another, and a first terminal of each of the redundant conducting sections is coupled to the transmission line, while a second terminal of each of the redundant conducting sections is apart from the transmission line; and at least one grounded conducting section, each of which corresponds to one of the redundant conducting sections, and surrounds in separation from the corresponding redundant conducting section, wherein each of the at least two redundant conducting sections is disposed in a corresponding plating hole.

    CHASSIS SWITCH USING DISTRIBUTED BACKPLANE TO INTERCONNECT LINE CARDS

    公开(公告)号:US20170188480A1

    公开(公告)日:2017-06-29

    申请号:US15181456

    申请日:2016-06-14

    CPC classification number: H04Q1/15 H04Q1/00

    Abstract: The present invention is to provide a chassis switch, which comprises a chassis for accommodating a designated number of line cards therein; a backplane installed on the back side of the chassis and having a plurality of connectors disposed thereon; at least one line card plugged into one of the connectors corresponding thereto via a front side of the chassis and each having an access switch chip adapted to switch local network signals and an interconnect switch chip adapted to switch the signals between ports of the at least one line card; and a loop adapted to connect the corresponding ports of the access switch chip and the interconnect switch chip respectively through the connectors, so as to enable each line card plugged into the chassis switch to perform a local network switching function and a switching function between the at least one line card.

    Fan control circuit
    106.
    发明授权
    Fan control circuit 有权
    风扇控制电路

    公开(公告)号:US09593689B2

    公开(公告)日:2017-03-14

    申请号:US14309237

    申请日:2014-06-19

    Inventor: Cheng-Xian Lv

    CPC classification number: F04D27/004 F04D25/0613 H02P7/29

    Abstract: The present invention is to provide a fan control circuit, which includes a filter circuit for converting a pulse-width modulation (PWM) voltage signal into a DC voltage signal; an amplifier circuit having an input end for receiving the DC voltage signal and a static voltage signal and generating an amplified voltage signal at an output end thereof; a current expansion circuit configured to perform current expansion on the amplified voltage signal and thereby generate a driving voltage signal for a fan; and a feedback circuit connected between another input end of the amplifier circuit and an output end of the current expansion circuit so that magnitude of the driving voltage signal is in direct proportion to the duty cycle of the PWM voltage signal and is greater than or equal to a lowest driving voltage value of the fan when the duty cycle of the PWM voltage signal approaches zero.

    Abstract translation: 本发明提供一种风扇控制电路,其包括用于将脉冲宽度调制(PWM)电压信号转换成直流电压信号的滤波电路; 放大器电路,其具有用于接收直流电压信号的输入端和静态电压信号,并在其输出端产生放大的电压信号; 电流扩展电路,被配置为对放大的电压信号进行电流扩展,从而生成用于风扇的驱动电压信号; 以及连接在放大器电路的另一输入端和电流扩展电路的输出端之间的反馈电路,使得驱动电压信号的大小与PWM电压信号的占空比成正比,并且大于或等于 当PWM电压信号的占空比接近零时风扇的最低驱动电压值。

    Resonance circuit for inhibiting interference between high-speed connector and antenna
    107.
    发明授权
    Resonance circuit for inhibiting interference between high-speed connector and antenna 有权
    用于抑制高速连接器和天线之间的干扰的共振电路

    公开(公告)号:US09583826B2

    公开(公告)日:2017-02-28

    申请号:US14309254

    申请日:2014-06-19

    CPC classification number: H01Q1/526 H01Q1/2275 H01Q1/243 H01Q9/42

    Abstract: The present invention is to provide a resonance circuit, which is applicable to a circuit board of a first electronic device provided thereon with a circuit layout, a high-speed connector (e.g., a USB 3.0 connector) at a lateral side of the circuit layout for connecting with a second electronic device, and an antenna for enabling the circuit board to receive and transmit wireless information at a predetermined frequency. The connector and antenna are respectively connected to first and second connecting points of the circuit layout, and the distance between the two connecting points is not less than one wavelength. The resonance circuit is connected to a third connecting point of the circuit layout provided between the above two connecting points, such that the resonance frequency of the resonance circuit covers the reception and transmission frequencies of the antenna, for effectively inhibiting interference between the connector and the antenna.

    Abstract translation: 本发明提供一种谐振电路,其适用于设置有电路布局的第一电子设备的电路板,电路布局的侧面的高速连接器(例如,USB 3.0连接器) 用于与第二电子设备连接的天线,以及用于使得电路板能够以预定频率接收和发送无线信息的天线。 连接器和天线分别连接到电路布局的第一和第二连接点,并且两个连接点之间的距离不小于一个波长。 谐振电路连接到设置在上述两个连接点之间的电路布局的第三连接点,使得谐振电路的谐振频率覆盖天线的接收和发送频率,以有效地抑制连接器与接收器之间的干扰 天线。

    RF DEVICE AND POWER CONTROL PERFORMED THEREIN
    108.
    发明申请
    RF DEVICE AND POWER CONTROL PERFORMED THEREIN 有权
    RF设备和功率控制

    公开(公告)号:US20170005739A1

    公开(公告)日:2017-01-05

    申请号:US15269035

    申请日:2016-09-19

    Inventor: Rong- Fa KUO

    CPC classification number: H04B17/29 H04B17/15 H04B17/16 H04B17/17 H04B17/19

    Abstract: In an RF device, an RF circuit includes an RF circuit connector optionally coupling thereto an RF element for transmitting or receiving an RF signal; and a power supply module selectively outputting power to the RF circuit connector according to a control signal. In addition, a testing circuit includes a first filter unit having a first external terminal electrically coupled to a testing signal and a second external terminal electrically coupled to the RF circuit, wherein the first filter unit is configured to allow the testing signal to enter the RF circuit while blocking an RF signal transmitted in the RF circuit from entering the testing circuit; and a testing-result informing unit having an external input electrically coupled to the first external terminal, and determining contents of the control signal according to an electric level at the external input.

    Abstract translation: 在RF设备中,RF电路包括RF电路连接器,其可选地与其耦合用于发射或接收RF信号的RF元件; 以及根据控制信号向RF电路连接器选择性地输出电力的电源模块。 此外,测试电路包括具有电耦合到测试信号的第一外部端子和电耦合到RF电路的第二外部端子的第一滤波器单元,其中第一滤波器单元被配置为允许测试信号进入RF 同时阻挡RF电路中发射的RF信号进入测试电路; 以及测试结果通知单元,其具有电耦合到所述第一外部端子的外部输入,以及根据所述外部输入端的电平来确定所述控制信号的内容。

    RF device and power control performed therein
    109.
    发明授权
    RF device and power control performed therein 有权
    RF设备和其中执行的功率控制

    公开(公告)号:US09479271B2

    公开(公告)日:2016-10-25

    申请号:US14963725

    申请日:2015-12-09

    Inventor: Rong- Fa Kuo

    Abstract: In an RF device, an RF circuit includes an RF circuit connector optionally coupling thereto an RF element for transmitting or receiving an RF signal; and a power supply module selectively outputting power to the RF circuit connector according to a control signal. In addition, a testing circuit includes a first filter unit having a first external terminal electrically coupled to a testing signal and a second external terminal electrically coupled to the RF circuit, wherein the first filter unit is configured to allow the testing signal to enter the RF circuit while blocking an RF signal transmitted in the RF circuit from entering the testing circuit; and a testing-result informing unit having an external input electrically coupled to the first external terminal, and determining contents of the control signal according to an electric level at the external input.

    Abstract translation: 在RF设备中,RF电路包括RF电路连接器,其可选地与其耦合用于发射或接收RF信号的RF元件; 以及根据控制信号向RF电路连接器选择性地输出电力的电源模块。 此外,测试电路包括具有电耦合到测试信号的第一外部端子和电耦合到RF电路的第二外部端子的第一滤波器单元,其中第一滤波器单元被配置为允许测试信号进入RF 同时阻挡RF电路中发射的RF信号进入测试电路; 以及测试结果通知单元,其具有电耦合到所述第一外部端子的外部输入,以及根据所述外部输入端的电平来确定所述控制信号的内容。

    INTELLIGENT MONITORING SYSTEM AND METHOD
    110.
    发明申请
    INTELLIGENT MONITORING SYSTEM AND METHOD 审中-公开
    智能监控系统及方法

    公开(公告)号:US20160238691A1

    公开(公告)日:2016-08-18

    申请号:US15013214

    申请日:2016-02-02

    CPC classification number: H04N5/23203 G01S13/003 G08B13/19602 G08B13/1961

    Abstract: In an intelligent monitoring system, a wireless signal processing device transmits a wireless signal toward a first target object in a monitored area, receives a wireless status signal, and generates a monitoring signal corresponding to the first target object according to the wireless status signal. In addition, at least one signal-relaying device receives a back scattering signal, which is reflected from the first target object in response to the wireless signal, transfers the back scattering signal into the wireless status signal, and transmits the wireless status signal to the wireless signal processing device. The signal-relaying device includes a power supply device for supplying power for operations of the signal-relaying device, and the signal-relaying device is disposed in the monitored area between the first target object and the wireless signal processing device.

    Abstract translation: 在智能监控系统中,无线信号处理装置向被监测区域内的第一目标物体发送无线信号,接收无线状态信号,根据无线状态信号生成对应于第一目标对象的监视信号。 此外,至少一个信号中继装置响应于无线信号接收从第一目标对象反射的反向散射信号,将后向散射信号传送到无线状态信号,并将无线状态信号发送到 无线信号处理装置。 信号中继装置包括用于为信号中继装置的操作提供电力的电源装置,并且信号中继装置设置在第一目标对象和无线信号处理装置之间的监视区域中。

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