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    • 2. 发明申请
    • ULTRA WIDEBAND ANTENNA
    • 超宽带天线
    • US20110037656A1
    • 2011-02-17
    • US12596543
    • 2008-04-17
    • Duncan BremnerDean KempMark Norris
    • Duncan BremnerDean KempMark Norris
    • H01Q1/38
    • H01Q13/10H01Q1/38
    • An ultra wideband antenna comprises a substrate (21). A metal layer deposited on the substrate comprises first and second non-metallic regions (22a, 22b) defined therein. The first and second non-metallic regions (22a, 22b) are arranged on either side of a longitudinal axis (X0), the longitudinal axis (X0) corresponding to a feed axis of the antenna. The first and second non-metallic regions taper towards the first longitudinal (X0) to form a bowtie pattern. Each of the first and second non-metallic regions (22a, 22b) comprises at least one tuning slot (31, 33), the at least one tuning slot (31, 33) being arranged about a respective first axis (X1, X2), the first axis (X1, X2) being parallel to the longitudinal axis (X0), and wherein the at least one tuning slot extends along its respective axis (X1, X2) to form a non-metallic area outside the non-metallic area defined by the respective first and second non-metallic region (22a, 22b). The tapering of the first and second non-metallic regions (22a, 22b) in combination with the at least one pair of tuning slots (31, 33) enables the antenna to be reduced in size, while being capable of operating over at least the UWB frequency range.
    • 超宽带天线包括基板(21)。 沉积在基板上的金属层包括限定在其中的第一和第二非金属区域(22a,22b)。 第一和第二非金属区域(22a,22b)布置在纵向轴线(X0)的两侧,纵轴线(X0)对应于天线的进给轴线。 第一和第二非金属区域朝向第一纵向(X0)逐渐变细以形成弓形图案。 第一和第二非金属区域(22a,22b)中的每一个包括至少一个调谐槽(31,33),所述至少一个调音槽围绕相应的第一轴线(X1,X2)布置, 所述第一轴线(X1,X2)平行于所述纵向轴线(X0),并且其中所述至少一个调音槽沿其相应的轴线(X1,X2)延伸以在所述非金属区域外部形成非金属区域 由相应的第一和第二非金属区域(22a,22b)限定。 第一和第二非金属区域(22a,22b)与至少一对调谐槽(31,33)组合使得天线能够减小尺寸,同时能够至少操作天线 UWB频率范围。
    • 6. 发明申请
    • WIRELESS COMMUNICATION WITH A MEDICAL IMPLANT
    • 无线通信与医疗植物
    • US20130002496A1
    • 2013-01-03
    • US13610394
    • 2012-09-11
    • Vincent UtsiMark NorrisJean-Daniel Richerd
    • Vincent UtsiMark NorrisJean-Daniel Richerd
    • H01Q1/27H01Q21/30
    • A61N1/37223H01Q1/273H01Q1/38H01Q5/40H01Q9/0414H01Q21/30
    • An apparatus for providing transdermal wireless communication includes medical implant circuitry; a transceiver coupled to the medical implant circuitry; a first metal surface having an end portion and a base portion; a second metal surface parallel to the first metal surface and connected to the first metal surface by a conductor, the second metal surface being separated from the first metal surface by a dielectric layer; a first radiating element tuned to a first frequency and disposed within the dielectric layer between the first metal surface and second metal surface; and a feed structure in electrical communication with the transceiver and the first radiating strip. The first radiating element has a first reactive portion at a first end thereof, a second reactive portion at a second end thereof, and a first radiating strip extending between the first reactive portion and the second reactive portion.
    • 用于提供透皮无线通信的装置包括医疗植入电路; 耦合到所述医疗植入电路的收发器; 具有端部和基部的第一金属表面; 第二金属表面,平行于第一金属表面并通过导体连接到第一金属表面,第二金属表面通过介电层与第一金属表面分离; 调整到第一频率并且设置在第一金属表面和第二金属表面之间的电介质层内的第一辐射元件; 以及与收发器和第一辐射带电连通的馈送结构。 第一辐射元件在其第一端处具有第一反作用部分,在其第二端处具有第二反作用部分,以及在第一反作用部分和第二反作用部分之间延伸的第一辐条。
    • 8. 发明申请
    • Wavelet transform of a plethysmographic signal
    • 体积描记信号的小波变换
    • US20070004977A1
    • 2007-01-04
    • US11170181
    • 2005-06-29
    • Mark Norris
    • Mark Norris
    • A61B5/00
    • A61B5/14551A61B5/7203A61B5/7207A61B5/726
    • A photoplethysmographic system and method is provided for filtering a photoplethysmographic (pleth) signal to reduce the effects of noise in the signal. The system and method utilize a combination of frequency, time and/or magnitude information, to identify and separate transient signal components within a pleth signal from repeating signal components within the pleth signal. Typically, signal components of interest repeat over a period that corresponds with a patient's heartbeat. Such periodically repeating signals may be identified as stationary signals/objects within a frequency and time-based analysis. In contrast, motion artifacts or other sources of noise are often isolated (i.e., non-repeating) transient events and may be identified as non-stationary objects in a frequency and time-based analysis. Data associated with identified transient events may be filtered from or otherwise removed from a given signal. In this regard, a pleth signal may be cleansed prior to its use for, e.g., blood analyte determinations.
    • 提供了一种光电体积描记系统和方法,用于过滤光电体积描记图(pleth)信号,以减少信号中噪声的影响。 该系统和方法利用频率,时间和/或幅度信息的组合来识别和分离乐谱信号内的瞬时信号分量,以避免在乐谱信号内的重复信号分量。 通常,感兴趣的信号分量在对应于患者心跳的时间段内重复。 这种周期性重复的信号可以在频率和时间分析内被识别为固定信号/物体。 相比之下,运动假象或其他噪声源通常是隔离(即非重复)瞬态事件,并且可以在频率和时间分析中被识别为非静止对象。 与识别的瞬态事件相关联的数据可以从给定信号中滤除或以其他方式从给定信号中去除。 在这方面,可以在其使用之前清洁一个或多个信号,例如血液分析物测定。