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
    • Distortion correcting device
    • 失真校正装置
    • US08537039B2
    • 2013-09-17
    • US13409516
    • 2012-03-01
    • Junya MatsunoTetsuro Itakura
    • Junya MatsunoTetsuro Itakura
    • H03M1/06
    • H03M1/0614H03M1/12H03M1/1225
    • There is provided a distortion correcting device in which a first A/D converter A/D converts a first input signal to obtain a first converted signal, a second A/D converter A/D converts a second input signal to obtain a second converted signal wherein the second input signal is a signal obtained by reducing an amplitude of the first input signal, or the first input signal is a signal obtained by increasing an amplitude of the second input signal, the exponentiator obtains an exponential signal by raising the second converted signal to an n-th power (“n” is an integer of 2 or more), a adaptive correlation controller carries out adaptive correlation control based on the exponential signal and the second converted signal to generate a distortion signal that is an n-th power component contained in the exponential signal, and a distortion remover removes the distortion signal from the first converted signal.
    • 提供了一种失真校正装置,其中第一A / D转换器A / D转换第一输入信号以获得第一转换信号,第二A / D转换器A / D转换第二输入信号以获得第二转换信号 其中所述第二输入信号是通过减小所述第一输入信号的幅度获得的信号,或者所述第一输入信号是通过增加所述第二输入信号的幅度而获得的信号,所述指数器通过提高所述第二转换信号来获得指数信号 到“n”次幂(“n”是2以上的整数)时,自适应相关控制器根据指数信号和第二转换信号进行自适应相关控制,生成作为第n次方的失真信号 分量包含在指数信号中,并且失真去除器从第一转换信号中去除失真信号。
    • 2. 发明授权
    • Analogue to digital converter and signal processing system
    • 模数转换器和信号处理系统
    • US08502712B2
    • 2013-08-06
    • US13425317
    • 2012-03-20
    • Naoya WakiJunya MatsunoTakafumi YamajiMasanori Furuta
    • Naoya WakiJunya MatsunoTakafumi YamajiMasanori Furuta
    • H03M1/06
    • H03M1/0626H03M1/0836H03M1/1215
    • According to one embodiment, an analogue to digital converter converts an analogue input signal to a digital output signal. The converter includes an analogue to digital converting unit, a multiplexer, a pseudo-alias signal generator, a gain controller, and an alias signal compensator. The analogue to digital converting unit converts the analogue input signal to a plurality of digital signals. The multiplexer sequentially selects one of the digital signals and outputs the selected digital signal as a multiplexer output. The pseudo-alias signal generator generates a plurality of pseudo-alias signals from the digital signals. The pseudo-alias signal simulates an alias signal component in the multiplexer output. The gain controller generates a plurality of gain control signals by using the pseudo-alias signals. The gain control signal controls gain of the digital output signal. The alias signal compensator compensates the alias signal component by using the gain control signals.
    • 根据一个实施例,模数转换器将模拟输入信号转换成数字输出信号。 转换器包括模数转换单元,多路复用器,伪别名信号发生器,增益控制器和别名信号补偿器。 模数转换单元将模拟输入信号转换为多个数字信号。 多路复用器顺序地选择一个数字信号并输出​​所选择的数字信号作为多路复用器输出。 伪别名信号发生器从数字信号产生多个伪别名信号。 伪别名信号模拟复用器输出中的别名信号分量。 增益控制器通过使用伪别名信号来产生多个增益控制信号。 增益控制信号控制数字输出信号的增益。 别名信号补偿器通过使用增益控制信号来补偿别名信号分量。
    • 3. 发明申请
    • FREQUENCY CONVERTING CIRCUIT AND RECEIVER
    • 频率转换电路和接收器
    • US20100112971A1
    • 2010-05-06
    • US12503199
    • 2009-07-15
    • Junya MatsunoTakafumi YamajiTetsuro Itakura
    • Junya MatsunoTakafumi YamajiTetsuro Itakura
    • H04B1/16H04B15/00
    • H04B1/30
    • A receiver includes a multiphase mixer that multiplies a received radio signal by multiphase local signals the number of which is the same as an integer having a first prime factor and a second prime factor different from the first prime factor, and generates first multiphase baseband signals the number of which is the same as the integer, a first processing circuit that suppresses common modes for first multiphase signal groups formed by dividing the first multiphase baseband signals into groups of signals the number of which is the same as the first prime factor, and generates second multiphase baseband signals, and a second processing circuit that suppresses common modes for second multiphase signal groups formed by dividing the second multiphase baseband signals into groups of signals the number of which is the same as the second prime factor, and generates third multiphase baseband signals.
    • 接收机包括:多相混合器,其通过多个本地信号乘以接收的无线电信号,多相本地信号的数量与具有不同于第一素因子的第一素因子和第二素因子的整数相同,并且生成第一多相基带信号 其数量与整数相同,第一处理电路抑制通过将第一多相基带信号划分成与第一素数相同数量的信号组而形成的第一多相信号组的共模,并产生 第二多相基带信号,以及第二处理电路,其抑制通过将第二多相基带信号划分成与第二素因数相同的信号组而形成的第二多相信号组的共模,并且产生第三多相基带信号 。
    • 4. 发明申请
    • SIGNAL INTERPOLATION DEVICE AND PARALLEL A/D CONVERTING DEVICE
    • 信号插值器件和并联A / D转换器件
    • US20130201048A1
    • 2013-08-08
    • US13717410
    • 2012-12-17
    • Junya MATSUNOTetsuro ITAKURA
    • Junya MATSUNOTetsuro ITAKURA
    • H03H11/22H03M1/36
    • H03H11/22H03M1/204H03M1/205H03M1/36H03M1/365
    • There is provided a signal interpolation device, including: a first amplifier to generate a first signal representing a difference between an input signal and a first reference voltage; a second amplifier to generate a second signal representing a difference between the input signal and a second reference voltage; a first output amplifier to amplify the first signal to generate a first output signal; a second output amplifier to amplify the second signal to generate a second output signal; a third output amplifier to amplify a sum of a first interpolation signal and the first signal to generate a third output signal, the first interpolation signal representing a voltage generated by dividing a difference between the first reference voltage and the second reference voltage by “2̂n”; and a fourth output amplifier to amplify a difference between the second signal and the first interpolation signal to generate a fourth output signal.
    • 提供了一种信号插值装置,包括:第一放大器,用于产生表示输入信号和第一参考电压之间的差的第一信号; 第二放大器,用于产生表示所述输入信号和第二参考电压之间的差的第二信号; 第一输出放大器,用于放大第一信号以产生第一输出信号; 第二输出放大器,用于放大第二信号以产生第二输出信号; 第三输出放大器,用于放大第一内插信号和第一信号的和以产生第三输出信号,第一内插信号表示通过将第一参考电压和第二参考电压之间的差除以“2n”而产生的电压, ; 以及第四输出放大器,用于放大第二信号和第一内插信号之间的差以产生第四输出信号。
    • 6. 发明申请
    • DISTORTION CORRECTING DEVICE
    • 失真校正装置
    • US20130044016A1
    • 2013-02-21
    • US13409516
    • 2012-03-01
    • Junya MATSUNOTetsuro ITAKURA
    • Junya MATSUNOTetsuro ITAKURA
    • H03M1/06
    • H03M1/0614H03M1/12H03M1/1225
    • There is provided a distortion correcting device in which a first A/D converter A/D converts a first input signal to obtain a first converted signal, a second A/D converter A/D converts a second input signal to obtain a second converted signal wherein the second input signal is a signal obtained by reducing an amplitude of the first input signal, or the first input signal is a signal obtained by increasing an amplitude of the second input signal, the exponentiator obtains an exponential signal by raising the second converted signal to an n-th power (“n” is an integer of 2 or more), a adaptive correlation controller carries out adaptive correlation control based on the exponential signal and the second converted signal to generate a distortion signal that is an n-th power component contained in the exponential signal, and a distortion remover removes the distortion signal from the first converted signal.
    • 提供了一种失真校正装置,其中第一A / D转换器A / D转换第一输入信号以获得第一转换信号,第二A / D转换器A / D转换第二输入信号以获得第二转换信号 其中所述第二输入信号是通过减小所述第一输入信号的幅度获得的信号,或者所述第一输入信号是通过增加所述第二输入信号的幅度而获得的信号,所述指数器通过提高所述第二转换信号来获得指数信号 到n次方(n为2以上的整数)时,自适应相关控制器基于指数信号和第二转换信号进行自适应相关控制,生成作为包含的第n功率分量的失真信号 在指数信号中,失真去除器从第一转换信号去除失真信号。
    • 7. 发明授权
    • Signal interpolation device and parallel A/D converting device
    • 信号插值装置和并行A / D转换装置
    • US08723713B2
    • 2014-05-13
    • US13717410
    • 2012-12-17
    • Junya MatsunoTetsuro Itakura
    • Junya MatsunoTetsuro Itakura
    • H03M1/36
    • H03H11/22H03M1/204H03M1/205H03M1/36H03M1/365
    • There is provided a signal interpolation device, including: a first amplifier to generate a first signal representing a difference between an input signal and a first reference voltage; a second amplifier to generate a second signal representing a difference between the input signal and a second reference voltage; a first output amplifier to amplify the first signal to generate a first output signal; a second output amplifier to amplify the second signal to generate a second output signal; a third output amplifier to amplify a sum of a first interpolation signal and the first signal to generate a third output signal, the first interpolation signal representing a voltage generated by dividing a difference between the first reference voltage and the second reference voltage by “2^n”; and a fourth output amplifier to amplify a difference between the second signal and the first interpolation signal to generate a fourth output signal.
    • 提供了一种信号插值装置,包括:第一放大器,用于产生表示输入信号和第一参考电压之间的差的第一信号; 第二放大器,用于产生表示所述输入信号和第二参考电压之间的差的第二信号; 第一输出放大器,用于放大第一信号以产生第一输出信号; 第二输出放大器,用于放大第二信号以产生第二输出信号; 第三输出放大器,用于放大第一内插信号和第一信号的和以产生第三输出信号,第一内插信号表示通过将第一参考电压和第二参考电压之差除以“2 ^ n“; 以及第四输出放大器,用于放大第二信号和第一内插信号之间的差以产生第四输出信号。
    • 9. 发明申请
    • RECEIVER
    • 接收器
    • US20100233986A1
    • 2010-09-16
    • US12579742
    • 2009-10-15
    • Takafumi YamajiJunya MatsunoHiromitsu Aoyama
    • Takafumi YamajiJunya MatsunoHiromitsu Aoyama
    • H04B15/00
    • H04B1/30H04B1/123
    • A receiver includes a high-frequency filter which extracts, from a radio signal, a high-frequency signal, a first frequency converter which performs frequency conversion on the high-frequency signal using a first local signal, to obtain a first baseband signal, a second frequency converter which performs frequency conversion on the high-frequency signal using a second local signal, to obtain a second baseband signal, the second local signal having a frequency equal to an integral multiple of a frequency of the first local signal, and a subtraction processing unit configured to multiply the second baseband signal by a control coefficient for amplitude adjustment to obtain a product signal, and subtract the product signal from the first baseband signal to obtain a residual signal.
    • 接收机包括从无线电信号中提取高频信号的高频滤波器,使用第一本地信号对高频信号进行频率转换的第一频率转换器,以获得第一基带信号, 第二频率转换器,其使用第二本地信号对所述高频信号进行频率转换,以获得第二基带信号,所述第二本地信号具有等于所述第一本地信号的频率的整数倍的频率,以及减法 处理单元,被配置为将第二基带信号乘以用于幅度调整的控制系数以获得乘积信号,并从第一基带信号中减去乘积信号以获得残留信号。