公开(公告)号：US20180302211A1

公开(公告)日：2018-10-18

申请号：US15568696

申请日：2017-01-16

Applicant: NTT ELECTRONICS CORPORATION ,  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Yasuharu ONUMA ,  Masahiro TACHIBANA ,  Etsushi YAMAZAKI ,  Kazuhito TAKEI ,  Yuki YOSHIDA ,  Masayuki IKEDA ,  Yoshiaki KISAKA ,  Masahito TOMIZAWA

IPC: H04L7/00 ,  H04B1/16 ,  H04L7/033 ,  H03H17/06

CPC classification number: H04L7/0079 ,  H03H17/0027 ,  H03H17/06 ,  H03H17/08 ,  H04B1/16 ,  H04L7/0029 ,  H04L7/005 ,  H04L7/033

Abstract: An FIR filter convolutes sampled data obtained by sampling a reception signal with tap coefficients. A phase difference detector detects a phase difference between a synchronization timing of a signal waveform estimated from an output signal of the FIR filter and a sampling timing of the output signal. A tap coefficient adjuster adjusts the tap coefficients so as to reduce the phase difference detected by the phase difference detector and causes the sampling timing of the output signal of the FIR filter to track the synchronization timing.

公开(公告)号：US20150164576A1

公开(公告)日：2015-06-18

申请号：US14636422

申请日：2015-03-03

Applicant: Covidien LP

Inventor： James A. Gilbert

IPC: A61B18/12

CPC classification number: A61B18/1206 ,  A61B18/1233 ,  A61B18/1445 ,  A61B2018/00648 ,  A61B2018/00702 ,  A61B2018/00827 ,  A61B2018/00892 ,  H03H17/0027 ,  H03H17/0251 ,  H03H17/0283 ,  H03H21/0012 ,  H03H2017/0472

Abstract: The disclosed electrosurgical systems and methods accurately determine the power actually applied to a load by using equalizers to calibrate the power measurements. The electrosurgical systems include an electrosurgical generator and an electrosurgical instrument coupled to the electrosurgical generator through an electrosurgical cable. The electrosurgical generator includes an electrical energy source, voltage and current detectors, equalizers that estimate the voltage and current applied to a load, and a power calculation unit that calculates estimated power based upon the estimated voltage and current. The methods of calibrating an electrosurgical generator involve applying a resistive element across output terminals of the electrosurgical generator, applying a test signal to the resistive element, measuring the magnitude and phase angle of voltage and current components of the test signal within the electrosurgical generator, estimating the magnitude and phase angle of the voltage and current at the resistive element using equalizers, and determining gain correction factors and minimum phase angles for the equalizers.

Abstract translation: 所公开的电外科系统和方法通过使用均衡器来精确地确定实际施加到负载的功率以校准功率测量。 电外科系统包括电外科发生器和通过电外科电缆耦合到电外科发生器的电外科器械。 电外科发生器包括电能源，电压和电流检测器，估计施加到负载的电压和电流的均衡器，以及基于估计的电压和电流来计算估计功率的功率计算单元。 校准电外科发生器的方法包括在电外科发生器的输出端上施加电阻元件，向电阻元件施加测试信号，测量电外科发生器内的测试信号的电压和电流分量的大小和相位角，估计 使用均衡器在电阻元件处的电压和电流的幅度和相位角，以及确定均衡器的增益校正因子和最小相位角。

公开(公告)号：US20180316482A1

公开(公告)日：2018-11-01

申请号：US15739716

申请日：2015-06-26

Applicant: OLYMPUS CORPORATION

Inventor： Denis A. Gudovskiy ,  Lichung CHU ,  Shinhaeng Lee

IPC: H04L7/00 ,  H04B1/16 ,  H03H17/00 ,  H03H17/06

CPC classification number: H04L7/0029 ,  H03H17/0027 ,  H03H17/0642 ,  H04B1/16 ,  H04L1/1887 ,  H04L7/005

Abstract: Systems and methods are provided in which a wireless receiver can be configured to digitally synchronize a receive sampling rate to a transmit sampling rate, and may include a digital interpolator controlled by a timing control unit with a timing offset estimator. The timing control unit can be configured to calculate and output parameters to the digital interpolator. The digital interpolator can include a sample buffer followed by a fractional delay filter. Output parameters to the digital interpolator can include a fractional delay timing offset signal of the receiver relative to a transmitter timing signal and a buffer pointer control signal to control a position of the read pointer relative to a write pointer to compensate for subsample timing offset. The timing offset estimator can be configured to calculate and provide to the timing control unit a sampling period ratio control word and an instantaneous timing offset control word.

公开(公告)号：US20080224750A1

公开(公告)日：2008-09-18

申请号：US11717427

申请日：2007-03-13

Applicant: Ajit Kumar Reddy

Inventor： Ajit Kumar Reddy

IPC: H03H11/26

CPC classification number: H03H17/0027

Abstract: A digital delay architecture and a digital delay method are provided. The digital delay architecture includes at least one shifter, at least one adder connected to the at least one shifter and a plurality of registers storing at least an output of the at least one adder and an original sampled signal. The plurality of registers are selectable to define a fractional delay value.

Abstract translation: 提供数字延迟架构和数字延迟方法。 数字延迟架构包括至少一个移位器，连接至该至少一个移位器的至少一个加法器和至少存储至少一个加法器的输出和原始采样信号的多个寄存器。 多个寄存器可选择以定义分数延迟值。

公开(公告)号：US20130187694A1

公开(公告)日：2013-07-25

申请号：US13816255

申请日：2010-12-30

Applicant: Jinsoup Joung ,  Kyeongmin Ha ,  Joohyeong Lee

Inventor： Jinsoup Joung ,  Kyeongmin Ha ,  Joohyeong Lee

IPC: H03H17/04

CPC classification number: H03H17/0444 ,  H03H17/0027 ,  H03H17/0642

Abstract: Disclosed herein is a digital re-sampling apparatus. The digital re-sampling apparatus includes a sample buffer, a sample buffer control unit, a filter bank, a first delay bank, a fractional delay constant table, a combiner bank, and a second delay bank. The sample buffer temporarily stores an input sample in synchronization with an input sampling frequency. The sample buffer control unit controls writing and reading operations. The filter bank includes a number of digital filters equal to the number of stages, and filters the input sample. The first delay bank differentially delays a filter output value. The fractional delay constant table stores information about re-sampling time. The combiner bank includes a number of adders and multipliers, performs an operation, and outputs a re-sampled value. The second delay bank causes a delay so that output of each combiner can be synchronized with each output of the fractional delay constant table.

Abstract translation: 这里公开了一种数字再采样装置。 数字重采样装置包括采样缓冲器，采样缓冲器控制单元，滤波器组，第一延迟组，分数延迟常数表，组合器组和第二延迟组。 采样缓冲器与输入采样频率同步地临时存储输入采样。 采样缓冲器控制单元控制写入和读取操作。 滤波器组包括等于级数的多个数字滤波器，并对输入样本进行滤波。 第一个延迟组差分地延迟滤波器输出值。 分数延迟常数表存储关于重新采样时间的信息。 组合器组包括多个加法器和乘法器，执行操作，并且输出重新采样的值。 第二延迟组引起延迟，使得每个组合器的输出可以与分数延迟常数表的每个输出同步。

公开(公告)号：US20120265195A1

公开(公告)日：2012-10-18

申请号：US13085278

申请日：2011-04-12

Applicant: James A. Gilbert

Inventor： James A. Gilbert

IPC: A61B18/12

CPC classification number: A61B18/1206 ,  A61B18/1233 ,  A61B18/1445 ,  A61B2018/00648 ,  A61B2018/00702 ,  A61B2018/00827 ,  A61B2018/00892 ,  H03H17/0027 ,  H03H17/0251 ,  H03H17/0283 ,  H03H21/0012 ,  H03H2017/0472

Abstract: The disclosed electrosurgical systems and methods accurately determine the power actually applied to a load by using equalizers to calibrate the power measurements. The electrosurgical systems include an electro surgical generator and an electrosurgical instrument coupled to the electrosurgical generator through an electrosurgical cable. The electro surgical generator includes an electrical energy source, voltage and current detectors, equalizers that estimate the voltage and current applied to a load, and a power calculation unit that calculates estimated power based upon the estimated voltage and current. The methods of calibrating an electro surgical generator involve applying a resistive element across output terminals of the electrosurgical generator, applying a test signal to the resistive element, measuring the magnitude and phase angle of voltage and current components of the test signal within the electrosurgical generator, estimating the magnitude and phase angle of the voltage and current at the resistive element using equalizers, and determining gain correction factors and minimum phase angles for the equalizers.

Abstract translation: 所公开的电外科系统和方法通过使用均衡器来精确地确定实际施加到负载的功率以校准功率测量。 电外科系统包括电外科手术发生器和通过电外科电缆耦合到电外科发生器的电外科器械。 电手术发生器包括电能源，电压和电流检测器，估计施加到负载的电压和电流的均衡器，以及基于估计的电压和电流来计算估计功率的功率计算单元。 校准电外科手术发生器的方法包括在电外科发生器的输出端上施加电阻元件，向电阻元件施加测试信号，测量电外科发生器内的测试信号的电压和电流分量的大小和相位角， 使用均衡器估计电阻元件处的电压和电流的幅度和相位角，以及确定均衡器的增益校正因子和最小相位角。

公开(公告)号：US20080162013A1

公开(公告)日：2008-07-03

申请号：US11955480

申请日：2007-12-13

Applicant: Christian Grouffal ,  Gerard Thierry

Inventor： Christian Grouffal ,  Gerard Thierry

IPC: F02D35/02

CPC classification number: H03H17/0027 ,  F02D41/28 ,  F02D2041/1432 ,  F02D2041/285 ,  F02D2041/288

Abstract: An method of synchronizing a signal coming from at least one sensor positioned on an engine with a periodic event of the engine such as the crankshaft rotation is disclosed having application for engine control. A crankshaft rotation signal indicative of a reference time (TR), with which the engine signal(s) is to be synchronized, is acquired. The effective time difference (D) between the reference time and the time that is the closest to each temporally acquired engine signal is measured. Then the coefficients of a fractional digital compensation filter (FSDF) for compensating for the fractional part (d) of the measured effective time difference are determined. Finally, this digital compensation filter is applied to each temporally sampled engine signal, allowing obtaining of a series of digitized samples resealed from reference time (TR) for each engine signal.

Abstract translation: 公开了一种使位于发动机上的至少一个传感器的信号与发动机的周期性事件（诸如曲轴旋转）同步的方法，其具有用于发动机控制的应用。 获得指示要同步发动机信号的基准时间（TR）的曲轴旋转信号。 测量参考时间与最接近每个时间获取的发动机信号的时间之间的有效时间差（D）。 然后确定用于补偿测量的有效时间差的分数部分（d）的分数数字补偿滤波器（FSDF）的系数。 最后，该数字补偿滤波器应用于每个时间采样的发动机信号，允许从每个发动机信号的参考时间（TR）获得重新密封的一系列数字化样本。

公开(公告)号：US07359469B2

公开(公告)日：2008-04-15

申请号：US10761136

申请日：2004-01-20

Applicant: Stephan Neumann ,  Kurt Schmidt ,  Markus Freidhof

Inventor： Stephan Neumann ,  Kurt Schmidt ,  Markus Freidhof

IPC: H04L7/00

CPC classification number: H03H17/0275 ,  H03H17/0027 ,  H03K5/13

Abstract: A signal delaying device (1) for the dynamic delaying of a digitally sampled input signal comprises a memory element (2) and a series-connected interpolation element (3). According to the invention, a register (30), which can be connected to the output side of the interpolation element (3), is arranged in parallel to the memory element (2) for intermediate storage of at least one sampled value (Sin(k)) of the input signal.

Abstract translation: 用于动态延迟数字采样输入信号的信号延迟装置（1）包括存储元件（2）和串联连接的插值元件（3）。 根据本发明，可以连接到插值元件（3）的输出侧的寄存器（30）被布置成与存储元件（2）并联，用于中间存储至少一个采样值（S < SUB（k））的输入信号。

公开(公告)号：US08968293B2

公开(公告)日：2015-03-03

申请号：US13085278

申请日：2011-04-12

Applicant: James A. Gilbert

Inventor： James A. Gilbert

IPC: A61B18/12 ,  H03H21/00 ,  H03H17/00 ,  H03H17/02 ,  A61B18/14 ,  H03H17/04 ,  A61B18/00

CPC classification number: A61B18/1206 ,  A61B18/1233 ,  A61B18/1445 ,  A61B2018/00648 ,  A61B2018/00702 ,  A61B2018/00827 ,  A61B2018/00892 ,  H03H17/0027 ,  H03H17/0251 ,  H03H17/0283 ,  H03H21/0012 ,  H03H2017/0472

Abstract: The disclosed electrosurgical systems and methods accurately determine the power actually applied to a load by using equalizers to calibrate the power measurements. The electrosurgical systems include an electro surgical generator and an electrosurgical instrument coupled to the electrosurgical generator through an electrosurgical cable. The electrosurgical generator includes an electrical energy source, voltage and current detectors, equalizers that estimate the voltage and current applied to a load, and a power calculation unit that calculates estimated power based upon the estimated voltage and current. The methods of calibrating an electro surgical generator involve applying a resistive element across output terminals of the electrosurgical generator, applying a test signal to the resistive element, measuring the magnitude and phase angle of voltage and current components of the test signal within the electrosurgical generator, estimating the magnitude and phase angle of the voltage and current at the resistive element using equalizers, and determining gain correction factors and minimum phase angles for the equalizers.

Abstract translation: 所公开的电外科系统和方法通过使用均衡器来精确地确定实际施加到负载的功率以校准功率测量。 电外科系统包括电外科手术发生器和通过电外科电缆耦合到电外科发生器的电外科器械。 电外科发生器包括电能源，电压和电流检测器，估计施加到负载的电压和电流的均衡器，以及基于估计的电压和电流来计算估计功率的功率计算单元。 校准电外科手术发生器的方法包括在电外科发生器的输出端上施加电阻元件，向电阻元件施加测试信号，测量电外科发生器内的测试信号的电压和电流分量的大小和相位角， 使用均衡器估计电阻元件处的电压和电流的幅度和相位角，以及确定均衡器的增益校正因子和最小相位角。

公开(公告)号：US07339503B1

公开(公告)日：2008-03-04

申请号：US11536841

申请日：2006-09-29

Applicant: Javier Elenes

Inventor： Javier Elenes

IPC: H03M7/00

CPC classification number: H03H17/0628 ,  H03H17/0027

Abstract: A system including a buffer, a feedback loop configured to generate a fractional delay from a ratio of a first number of samples written into the buffer to a second number of samples read from the buffer, and a variable fractional delay filter configured to generate an output sample using a plurality of input samples and the fractional delay is provided.

Abstract translation: 一种系统，包括缓冲器，反馈回路，其被配置为从写入缓冲器的第一数量样本与从缓冲器读取的第二数量的样本的比率产生分数延迟;以及可变分数延迟滤波器，其被配置为生成输出 提供使用多个输入样本的样本和分数延迟。