会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Receiving device and demodulation device
    • 接收设备和解调设备
    • US08861648B2
    • 2014-10-14
    • US13260297
    • 2010-03-31
    • Hidemi NoguchiJunichi AbeTomoyuki YamaseYasushi Amamiya
    • Hidemi NoguchiJunichi AbeTomoyuki YamaseYasushi Amamiya
    • H04B17/00H04B3/46H03L7/081H04L7/033H04L7/00
    • H04L7/033H03L7/0816H04L7/0029H04L7/0037
    • To adequately perform sampling, a receiving device that solves problems that involve an increase in circuit area and an increase in cost, is provided.A/D converter 2 samples a coherent signal that is an analog signal in synchronization with a sampling clock signal so as to convert the analog signal into a digital signal. DSP 3 demodulates the digital signal converted by A/D converter 2 and computes a phase of the sampling clock signal in which an error rate of the digital signal is the minimum based on the demodulated digital signal. Sampling clock extraction circuit 4 extracts a clock signal having a symbol rate of the coherent signal therefrom. Phase adjustment circuit 5 adjusts the phase of the clock signal extracted by sampling clock extraction circuit 4 to the phase computed by DSP 3 and generates a clock signal having the adjusted phase as the sampling clock signal.
    • 为了充分执行采样,提供了解决涉及电路面积增加和成本增加的问题的接收装置。 A / D转换器2与采样时钟信号同步地采样模拟信号的相干信号,以将模拟信号转换为数字信号。 DSP 3解调由A / D转换器2转换的数字信号,并且基于解调的数字信号计算数字信号的错误率为最小的采样时钟信号的相位。 采样时钟提取电路4从其中提取具有相干信号的符号速率的时钟信号。 相位调整电路5将由采样时钟提取电路4提取的时钟信号的相位调整为由DSP3计算的相位,并生成具有调整后的相位的时钟信号作为采样时钟信号。
    • 2. 发明申请
    • TANK-TYPE CIRCUIT BREAKER
    • 油罐式断路器
    • US20140166622A1
    • 2014-06-19
    • US14233305
    • 2012-08-24
    • Junichi AbeShinji SatoTomoko TanabeNaoaki Inoue
    • Junichi AbeShinji SatoTomoko TanabeNaoaki Inoue
    • H01H33/26
    • H01H33/26G01R31/1227H01H33/668H02B13/0655
    • Capacitors (5a, 5b) are provided in the insulators of bushings (4a, 4b), respectively. One ends of the capacitors (5a, 5b) are connected to central conductors (3a, 3b) side, and the other ends are connected to a tank (1) side at the ground potential. When a discharge signal from the outside of the tank (1) reaches the capacitors (5a, 5b) through the central conductors (3a, 3b), the capacitors (5a, 5b) work as a filter to attenuate and prevent the signal in the frequency band of the discharge waveform from propagating to the inside of the tank (1). When an antenna (7) placed in the tank (1) receives a signal in the frequency band of the discharge waveform, a discharge detection unit (20) determines that a discharge inside the tank has been detected.
    • 电容器(5a,5b)分别设置在衬套(4a,4b)的绝缘体中。 电容器(5a,5b)的一端与中心导体(3a,3b)侧连接,另一端与接地电位的水箱(1)侧连接。 当来自罐(1)的外部的放电信号通过中心导体(3a,3b)到达电容器(5a,5b)时,电容器(5a,5b)用作滤波器,以衰减并防止 放电波形的频带从传播到罐(1)的内部。 当放置在储罐(1)中的天线(7)接收到放电波形的频带中的信号时,放电检测单元(20)确定已经检测到罐内的放电。
    • 3. 发明授权
    • Digital receiver and waveform compensation method
    • 数字接收机和波形补偿方法
    • US08750442B2
    • 2014-06-10
    • US13885364
    • 2012-10-01
    • Junichi Abe
    • Junichi Abe
    • H04B1/10H04B3/46H03K5/159
    • H04L1/0036H04B10/611H04B10/616
    • An objective is to provide a digital receiver and a method of compensating waveform that are capable of compensating waveform distortion without increasing the circuit size. A digital receiver 100 according to the present invention includes distortion compensation filters 103 that compensate waveform distortion included in an input signal, skew compensation amount setting units 106 for setting a skew compensation amount used for compensating phase distortion among the waveform distortion, amplitude compensation amount setting units 107 for setting an amplitude compensation amount used for compensating amplitude of the input signal that attenuates upon the compensation of the phase distortion using the skew compensation amount, and filter coefficient calculation circuits 108 for determining a filter coefficient to be set to the distortion compensation filters 103 based on the skew compensation amount and the amplitude compensation amount.
    • 目的是提供一种数字接收机和补偿波形的方法,该波形能够在不增加电路尺寸的情况下补偿波形失真。 根据本发明的数字接收机100包括补偿输入信号中包括的波形失真的失真补偿滤波器103,用于设置用于补偿波形失真的相位失真的偏斜补偿量的偏斜补偿量设定单元106,振幅补偿量设定 用于设定用于补偿使用偏斜补偿量补偿相位失真的输入信号的幅度衰减的振幅补偿量的单元107,以及用于确定要设置到失真补偿滤波器的滤波器系数的滤波器系数计算电路108 103,基于偏斜补偿量和振幅补偿量。
    • 4. 发明申请
    • COHERENT OPTICAL RECEIVER, DEVICE AND METHOD FOR DETECTING INTER-LANE SKEW IN COHERENT OPTICAL RECEIVER
    • 相关的光接收机,用于检测相干光接收机中的网络的设备和方法
    • US20130266308A1
    • 2013-10-10
    • US13995279
    • 2011-12-16
    • Kiyoshi FukuchiJunichi AbeWakako Yasuda
    • Kiyoshi FukuchiJunichi AbeWakako Yasuda
    • H04B10/61
    • H04B10/616
    • The disclosed coherent optical receiver includes a local light source; a 90-degree hybrid circuit; an optoelectronic converter; an analog-to-digital converter; a skew addition unit; and a FFT operation unit. The 90-degree hybrid circuit makes multiplexed signal light interfere with local light from the local light source, and outputs multiple optical signals separated into a plurality of signal components. The optoelectronic converter detects the optical signal and outputs a detected electrical signal. The analog-to-digital converter digitizes the detected electrical signal and outputs a detected digital signal. The skew addition unit adds to the detected digital signal an additional skew amount whose absolute value is equal to, whose sign is opposite to a skew amount of a difference in propagation delay in each lane connected to each output channel of the 90-degree hybrid circuit. The FFT operation unit performs a fast Fourier transform on the output from the skew addition unit.
    • 所公开的相干光接收机包括局部光源; 90度混合电路; 光电转换器; 一个模拟 - 数字转换器; 偏斜加法单元; 和FFT运算单元。 90度混合电路使多路信号光与本地光源的本地光干涉,并输出分离成多个信号分量的多个光信号。 光电转换器检测光信号并输出​​检测到的电信号。 模数转换器对检测到的电信号进行数字化并输出检测到的数字信号。 偏移加法单元将检测到的数字信号的绝对值等于其符号与连接到90度混合电路的每个输出通道的每个通道中的传播延迟差的偏斜量相反的附加偏移量相加 。 FFT运算部对偏斜加法部的输出进行快速傅里叶变换。
    • 5. 发明申请
    • COHERENT OPTICAL RECEIVER, APPARATUS AND METHOD FOR DETECTING INTERCHANNEL SKEW IN COHERENT OPTICAL RECEIVER
    • 相干光接收机,检测相邻光接收机间通道的装置和方法
    • US20130051790A1
    • 2013-02-28
    • US13696516
    • 2011-05-13
    • Wakako YasudaJunichi AbeKiyoshi Fukuchi
    • Wakako YasudaJunichi AbeKiyoshi Fukuchi
    • H04B10/08H04B10/06
    • H04B10/616H04B10/6151H04J14/02H04J14/06
    • In a coherent optical receiver, sufficient demodulation becomes impossible and consequently receiving performance deteriorates if an interchannel skew arises, therefore, a coherent optical receiver according to an exemplary aspect of the invention includes a local light source; a 90-degree hybrid circuit; an optoelectronic converter; an analog-to-digital converter; and a digital signal processing unit, wherein the 90-degree hybrid circuit makes multiplexed signal light interfere with local light from the local light source, and outputs a plurality of optical signals separated into a plurality of signal components; the optoelectronic converter detects the optical signals and outputs detected electrical signals; the analog-to-digital converter quantizes the detected electrical signals and outputs quantized signals; and the digital signal processing unit includes a skew compensation unit for compensating a difference in propagation delay between the plurality of signal components, and a demodulation unit for demodulating the quantized signals.
    • 在相干光接收机中,如果出现通道间偏斜,则不能进行足够的解调,因此接收性能恶化,因此根据本发明的示例性方面的相干光接收机包括本地光源; 90度混合电路; 光电转换器; 一个模拟 - 数字转换器; 以及数字信号处理单元,其中所述90度混合电路使多路复用信号光干扰来自所述本地光源的局部光,并且输出分离成多个信号分量的多个光信号; 光电转换器检测光信号并输出​​检测到的电信号; 模数转换器对检测到的电信号进行量化并输出量化信号; 并且数字信号处理单元包括用于补偿多个信号分量之间的传播延迟差的偏斜补偿单元和用于解调量化信号的解调单元。
    • 6. 发明申请
    • COHERENT OPTICAL RECEIVER, APPARATUS AND METHOD FOR DETECTING INTER-CHANNEL SKEW IN COHERENT OPTICAL RECEIVER
    • 相关的光接收机,检测相干光接收机中的通道间的方法
    • US20120237202A1
    • 2012-09-20
    • US13505199
    • 2011-09-02
    • Junichi AbeWakako YasudaKiyoshi Fukuchi
    • Junichi AbeWakako YasudaKiyoshi Fukuchi
    • H04B10/08
    • H04B10/616H04B10/0775H04B10/6164H04B10/6165
    • In a coherent optical receiver, sufficient demodulation becomes impossible and consequently receiving performance deteriorates if an inter-channel skew arises, therefore, a coherent optical receiver according to an exemplary aspect of the invention includes a local light source, a 90° hybrid circuit, an optoelectronic converter, an analog to digital converter, and a digital signal processing unit; wherein the 90° hybrid circuit makes multiplexed signal light interfere with local light from the local light source, and outputs a plurality of optical signals separated into a plurality of signal components; the optoelectronic converter detects the optical signals and outputs detected electrical signals; the analog to digital converter quantizes the detected electrical signals and outputs quantized signals; the digital signal processing unit includes a skew compensation unit for compensating a difference in propagation delay between the plurality of signal components, and an FFT operation unit for performing a fast Fourier transform process on the quantized signals; and wherein the difference in propagation delay is calculated on the basis of a plurality of peak values with a central focus on one peak value in the results of performing the fast Fourier transform process.
    • 在相干光接收机中,如果发生信道间偏斜,则不可能进行足够的解调,因此接收性能恶化,因此,根据本发明的示例性方面的相干光接收机包括本地光源,90°混合电路, 光电转换器,模数转换器和数字信号处理单元; 其中所述90°混合电路使多路复用信号光干扰来自所述本地光源的局部光,并且输出分离成多个信号分量的多个光信号; 光电转换器检测光信号并输出​​检测到的电信号; 模数转换器对检测到的电信号进行量化并输出量化信号; 数字信号处理单元包括用于补偿多个信号分量之间的传播延迟差的偏斜补偿单元和用于对量化信号执行快速傅里叶变换处理的FFT运算单元; 并且其中基于执行快速傅里叶变换处理的结果中的中心聚焦于一个峰值的多个峰值来计算传播延迟的差异。
    • 8. 发明申请
    • DC/DC converter circuit
    • DC / DC转换电路
    • US20100181979A1
    • 2010-07-22
    • US12654874
    • 2010-01-07
    • Junichi AbeYutaka YamagamiHisashi Mori
    • Junichi AbeYutaka YamagamiHisashi Mori
    • G05F1/10
    • H02M3/07
    • A DC/DC converter circuit including a boosting circuit which includes: a first capacitance (FC); a first switch (FS), one end of FS connected to a first terminal of FC, and another end of FS connected to a first power supply; a second switch (SS), one end of SS connected to a second terminal of FC, and another end of SS connected to a second power supply; a third switch (TS), one end of TS connected to the first terminal of FC, and another end of TS connected to an output terminal; an amplifier, an output of the amplifier electrically connected to the second terminal of FC; and a voltage-dividing resistor that generates a feedback voltage to be provided to amplifier, and connected to the first terminal of FC.
    • 一种包括升压电路的DC / DC转换器电路,包括:第一电容(FC); 第一开关(FS),FS的一端连接到FC的第一端子,FS的另一端连接到第一电源; 第二开关(SS),SS的一端连接到FC的第二端子,SS的另一端连接到第二电源; 第三开关(TS),TS的一端连接到FC的第一端子,TS的另一端连接到输出端子; 放大器,放大器的输出电连接到FC的第二端子; 以及分压电阻器,其产生要提供给放大器的反馈电压,并连接到FC的第一端子。
    • 9. 发明授权
    • Flaw detection system for light-transmitting plate material
    • 透光板材探伤系统
    • US5387978A
    • 1995-02-07
    • US026606
    • 1993-03-05
    • Masaharu OkafujiNagayoshi IchiseMitsuo OdawaraJunichi Abe
    • Masaharu OkafujiNagayoshi IchiseMitsuo OdawaraJunichi Abe
    • G01N21/88G01N21/89G01N21/896G01N21/94G01N21/01
    • G01N21/896G01N2201/1085
    • A flaw detection system that can detect not only bubbles, stones and knots but also flaws, such as cords and reams, that are subject to less optical changes in transmitted light is provided. A glass plate travelling in a manufacturing line is scanned with a beam spot in the direction orthogonally intersecting the manufacturing line. The light transmitted through the glass plate is received by an optical-fiber array arranged in a direction orthogonally intersecting the line. Optical fibers in the optical-fiber array are connected cyclically to a plurality of photomultipliers, which convert the light received by the optical fibers into electrical signals. Flaw signals are produced by extracting flaw information signals from these electrical signals in an analog processing section, and masking them in a masking section. Positional information indicating flaw patterns and positions is produced from these flaw signals.
    • 提供了一种探伤系统,其不仅可以检测气泡,石头和结,而且还可以检测到透射光的光学变化较小的缺陷,例如电线和电缆。 在制造线上行进的玻璃板沿着与制造线正交的方向用光束点扫描。 透过玻璃板的光被沿着与该线垂直相交的方向排列的光纤阵列接收。 光纤阵列中的光纤被循环地连接到多个光电倍增器,其将由光纤接收的光转换成电信号。 通过在模拟处理部分中从这些电信号中提取缺陷信息信号并在掩蔽部分中对其进行掩蔽来产生缺陷信号。 从这些缺陷信号产生指示缺陷图案和位置的位置信息。