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    • 41. 发明申请
    • Low-Power, Noise Insensitive Communication Channel using Logarithmic Detector Amplifier (LDA) Demodulator
    • 低功耗,噪声不敏感通信信道使用对数检波器放大器(LDA)解调器
    • US20140269972A1
    • 2014-09-18
    • US14210525
    • 2014-03-14
    • DOCKON AG
    • Patrick RadaForrest Brown
    • H04B15/00H04B3/02
    • H04B1/3838H03D3/00H03D3/005H03D2200/0098H04B1/10H04B3/02H04B15/00H04L27/106H04L27/2014H04L27/2017H04M1/0202
    • A method is provided for communicating signals at a low power level in an electromagnetic interference (EMI) environment. A first device transmits a modulated signal having a first carrier frequency, including the encoded information via a hardwire transmission medium. In one aspect, the power level of the modulated signal can be adjusted to minimize power consumption or reduce the generation of EMI. The modulated signal may be in one of the following formats: frequency modulation (FM) or phase modulation (PM) to name a few examples. A second device including a logarithmic detector amplifier (LDA) demodulator circuit receives the signal, which may be mixed with EMI. The LDA demodulator circuit amplifies the modulated signal, without amplifying the EMI, to supply a demodulated baseband signal, which may be an n-ary digital signal, or an audio signal. A low-power, noise insensitive communication channel is also provided.
    • 提供一种用于在电磁干扰(EMI)环境中以低功率电平传送信号的方法。 第一设备经由硬线传输介质发送包括经编码的信息的具有第一载波频率的调制信号。 在一个方面,可以调整调制信号的功率电平以最小化功耗或减少EMI的产生。 调制信号可以是以下格式之一:频率调制(FM)或相位调制(PM),仅举几个例子。 包括对数检波器放大器(LDA)解调器电路的第二设备接收可以与EMI混合的信号。 LDA解调器电路放大调制信号,而不放大EMI,以提供解调的基带信号,其可以是n元数字信号或音频信号。 还提供了低功率,噪声不敏感的通信信道。
    • 42. 发明申请
    • ADAPTIVE LINE EQUALIZER FOR IMPROVING DATA COMMUNICATION OVER LESS THAN PERFECT POWER LINES OR TRANSMISSION LINES
    • 用于改善数据通信的自适应线路均衡器比完整的电源线或传输线路
    • US20140269860A1
    • 2014-09-18
    • US14214371
    • 2014-03-14
    • Dockon AG
    • Forrest BrownAlexandre DupuyPatrick Rada
    • H04B3/54H04B3/04
    • H04B3/54H04B3/10H04B3/145H04B3/148H04B3/462H04B17/364H04L5/16
    • Systems and methods for improving data communication over less than perfect power lines or transmission lines are described. The systems and methods allow for pushing out electrically any null within a frequency range of interest and/or for lossless transmission by providing impedance matching between communication devices and the transmission line. This is achieved by implementing line equalizing modules within the transceivers, at the transmitter side and/or the receiver side, or by plugging, as a stand-alone module, into an electrical outlet within a building. The line equalizing module includes multiple inductor-capacitor cells coupled in cascade where multiple switches allow for selective and concurrent connection between the inductor-capacitor cells. In another embodiment, the line equalizing module includes variable inductor-capacitor cells. The line equalizing module provides a variable propagation delay that allows for stretching electrically the transmission line. Further improvement may achieve by adjusting the operational frequency using an up-conversion or down-conversion operation.
    • 描述了通过不太完善的电力线或传输线改善数据通信的系统和方法。 这些系统和方法允许通过在通信设备和传输线之间提供阻抗匹配,在感兴趣的频率范围内和/或无损传输中电气推出任何零点。 这通过在收发机内,发射机侧和/或接收机侧实现线路均衡模块,或者通过作为独立模块插入建筑物内的电源插座来实现。 线路均衡模块包括多个电感器电容器单元,其级联耦合,其中多个开关允许电感器 - 电容器单元之间的选择性和并发连接。 在另一个实施例中,线均衡模块包括可变电感器 - 电容器单元。 线路均衡模块提供了可变传播延迟,允许电传输线路的拉伸。 通过使用上变频或下变频操作来调节操作频率可以实现进一步的改进。
    • 45. 发明申请
    • Multi-Layered Multi-band Antenna
    • 多层多频天线
    • US20130057442A1
    • 2013-03-07
    • US13402806
    • 2012-02-22
    • Forrest James BrownRyan James OrsiMatthew Robert Foster
    • Forrest James BrownRyan James OrsiMatthew Robert Foster
    • H01Q1/38H01Q9/36
    • H01Q21/30H01Q1/48H01Q5/378H01Q7/005H01Q9/0407H01Q9/285H01Q9/30H01Q21/24H01Q25/001
    • Embodiments provide multi-band, compound loop antennas (multi-band antennas). Embodiments of the multi-band antennas produce signals at two or more frequency bands, with the two or more frequency bands capable of being adjusted and tuned independently of each other. Embodiments of a multi-band antenna are comprised of at least one electric field radiator and at least one monopole formed out of the magnetic loop. At a particular frequency, the at least one electric field radiator in combination with various portions of the magnetic loop resonate and radiate an electric field at a first frequency band. At yet another particular frequency, the at least one monopole in combination with various portions of the magnetic loop resonate and radiate an electric field at a second frequency band. The shape of the magnetic loop can be tuned to increase the radiation efficiency at particular frequency bands and enable the multi-band operation of antenna embodiments.
    • 实施例提供多频带复合环形天线(多频带天线)。 多频带天线的实施例在两个或更多个频带处产生信号,其中两个或更多个频带能够彼此独立地被调整和调谐。 多频带天线的实施例由至少一个电场辐射器和由磁环形成的至少一个单极子组成。 在特定频率下,与磁环的各个部分组合的至少一个电场辐射器在第一频带上谐振并辐射电场。 在又一个特定频率下,与磁环的各个部分组合的至少一个单极子谐振并辐射第二频带的电场。 可以调整磁环的形状以提高特定频带处的辐射效率,并实现天线实施例的多频带操作。
    • 46. 发明授权
    • Self-contained counterpoise compound loop antenna
    • 独立平衡复合环形天线
    • US08164528B2
    • 2012-04-24
    • US12878020
    • 2010-09-08
    • Forrest James Brown
    • Forrest James Brown
    • H01Q21/00H01Q11/12
    • H01Q21/28H01Q7/00H01Q9/30H01Q9/40H01Q9/42H01Q21/08H01Q21/30
    • The present invention relates to a self-contained counterpoise compound field antenna. Improvements relate particularly, but not exclusively, to compound loop antennas having coplanar electric field radiators and magnetic loops with electric fields orthogonal to magnetic fields that achieve performance benefits in higher bandwidth (lower Q), greater radiation intensity/power/gain, and greater efficiency. Embodiments of the self-contained antenna include a transition formed on the magnetic loop and having a transition width greater than the width of the magnetic loop. The transition substantially isolates a counterpoise formed on the magnetic loop opposite or adjacent the electric field radiator.
    • 本发明涉及自包含的平衡复合场天线。 改进涉及具有共面电场辐射器的复合环形天线和具有与磁场正交的电场的复合环形天线,其在较高带宽(较低Q),更大的辐射强度/功率/增益以及更高的效率下实现性能优势 。 独立天线的实施例包括形成在磁环上并具有大于磁环宽度的转变宽度的转变。 该转换基本上隔离在与磁场辐射器相对或相邻的磁环上形成的平衡。
    • 47. 发明申请
    • Automated Antenna Builder and Antenna Repository
    • 自动天线生成器和天线存储库
    • US20120065946A1
    • 2012-03-15
    • US13234063
    • 2011-09-15
    • Kenneth Joseph BrownRyan James Orsi
    • Kenneth Joseph BrownRyan James Orsi
    • G06G7/62G06F17/50
    • H01Q1/00
    • Embodiments are directed to an antenna builder and a method of building and maintaining an antenna design repository. A first embodiment consists of an antenna builder that enables the creation of an antenna representation that can subsequently be output into a plurality of formats to be used by other tools, such as electromagnetic simulation software. An alternative embodiment is directed to a method of building and maintaining a repository of antenna designs. The repository of antenna designs can be queried, enabling a plurality of users to search for specific antenna designs. Alternative embodiments can enable a user to search the repository antenna designs by visually browsing over the antenna designs in the repository. The repository of antenna designs is created by saving solutions generated by an optimizer during an optimization run to the repository. Solutions from the repository can also be used to seed and bootstrap other optimization runs.
    • 实施例涉及天线构造器和建立和维护天线设计储存库的方法。 第一实施例包括天线构造器,其能够创建天线表示,所述天线表示随后可以被输出为多种格式以供诸如电磁仿真软件的其他工具使用。 替代实施例涉及一种建立和维护天线设计库的方法。 可以查询天线设计的存储库,使得多个用户能够搜索特定的天线设计。 替代实施例可以使用户能够通过视觉浏览存储库中的天线设计来搜索储存库天线设计。 天线设计的存储库是通过将优化器生成的解决方案在优化运行期间保存到存储库中而创建的。 存储库中的解决方案也可用于种子和引导其他优化运行。
    • 48. 发明授权
    • Radio frequency combiners/splitters
    • 射频组合器/分频器
    • US08040204B2
    • 2011-10-18
    • US12991387
    • 2009-05-28
    • Forrest James Brown
    • Forrest James Brown
    • H01P5/12H01P1/213
    • H01P5/19H01P5/16
    • Disclosed is a radio-frequency divider comprising: an input port; and two output ports, separated by a bridge bar, wherein the divider is arranged in microstrip form and the microstrip structure takes the form of a generally tapering section connecting the input port to the bridge bar such that the input port is positioned at the relatively thinner end of the tapering section and the bridge bar is positioned at the relatively wider end of the tapering section. Also disclosed is a corresponding method. The divider is able to operate equally as a combiner.
    • 公开了一种射频分频器,包括:输入端口; 和两个输出端口,由桥接条分开,其中分隔器以微带形式布置,并且微带结构采取将输入端口连接到桥杆的大致锥形部分的形式,使得输入端口位于相对较薄的位置 锥形部分的端部和桥杆位于锥形部分的相对较宽的端部。 还公开了相应的方法。 分频器能够作为组合器同样工作。