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
    • Frequency converter and transmitter
    • 变频器和变送器
    • US08594593B2
    • 2013-11-26
    • US12880811
    • 2010-09-13
    • Hiroaki HoshinoToshiya Mitomo
    • Hiroaki HoshinoToshiya Mitomo
    • H01Q11/12H04B1/04
    • H03D7/1441H03D7/1458
    • A frequency converter includes a first pair of transistors including first and second transistors, a second pair of transistors including third and fourth transistors, and a variable impedance circuit. The first transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with positive-phase local signal. The second transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with negative-phase local signal. The third transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with negative-phase local signal. The fourth transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with positive-phase local signal.
    • 一种变频器包括:第一和第二晶体管的第一对晶体管,包括第三和第四晶体管的第二对晶体管和可变阻抗电路。 第一晶体管包括源极端子连接到正相输入端子,漏极端子连接到正相输出端子,栅极端子被提供有正相本地信号。 第二晶体管包括源极端子连接到正相输入端子,漏极端子连接到负相输出端子,栅极端子被提供负相位本地信号。 第三晶体管包括源极端子连接到负相输入端子,漏极端子连接到正相输出端子,栅极端子被提供负相位本地信号。 第四晶体管包括源极端子连接到负相输入端子,漏极端子连接到负相输出端子,栅极端子被提供有正相本地信号。
    • 2. 发明申请
    • FMWC SIGNAL GENERATOR AND RADAR APPARATUS USING FMCW SIGNAL GENERATOR
    • FMWC信号发生器和使用FMCW信号发生器的雷达设备
    • US20100073222A1
    • 2010-03-25
    • US12407817
    • 2009-03-20
    • Toshiya MitomoHiroaki HoshinoOsamu WatanabeShoji Otaka
    • Toshiya MitomoHiroaki HoshinoOsamu WatanabeShoji Otaka
    • G01S13/00
    • G01S13/345G01S7/35
    • An FMCW signal generator includes a frequency divider to divide the FMCW signal at a preset dividing ratio, a reference signal generator to periodically generate a reference signal at a second time interval not less than a loop time constant set for a PLL, a frequency of the reference signal being discretely swept within a range of fc±Δf (fc is a center frequency, and Δf is a frequency sweep width) at a first time interval not more than the loop time constant, a comparison unit to compare the frequency divided signal with the reference signal to generate a comparison result signal corresponding to a phase difference between the frequency divided signal and the reference signal, a loop filter to filter the comparison result signal to generate a control voltage signal, and a VCO to have an oscillation frequency thereof controlled by the control voltage signal.
    • FMCW信号发生器包括分频器,用于以预设的分频比对FMCW信号进行分频,参考信号发生器以不小于为PLL设置的环路时间常数的第二时间间隔周期性地产生参考信号,频率为 参考信号在fc±&Dgr的范围内离散地扫描; f(fc是中心频率,并且&Dgr; f是频率扫描宽度)在不大于循环时间常数的第一时间间隔,比较单元 具有参考信号的频率分频信号,以产生对应于分频信号和参考信号之间的相位差的比较结果信号;环路滤波器,用于对比较结果信号进行滤波以产生控制电压信号;以及VCO, 振荡频率由控制电压信号控制。
    • 4. 发明申请
    • FREQUENCY CONVERTER AND TRANSMITTER
    • 频率转换器和发射机
    • US20110235739A1
    • 2011-09-29
    • US12880811
    • 2010-09-13
    • Hiroaki HoshinoToshiya Mitomo
    • Hiroaki HoshinoToshiya Mitomo
    • H04L27/00H02M5/293
    • H03D7/1441H03D7/1458
    • A frequency converter includes a first pair of transistors including first and second transistors, a second pair of transistors including third and fourth transistors, and a variable impedance circuit. The first transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with positive-phase local signal. The second transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with negative-phase local signal. The third transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with negative-phase local signal. The fourth transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with positive-phase local signal.
    • 一种变频器包括:第一和第二晶体管的第一对晶体管,包括第三和第四晶体管的第二对晶体管和可变阻抗电路。 第一晶体管包括源极端子连接到正相输入端子,漏极端子连接到正相输出端子,栅极端子被提供有正相本地信号。 第二晶体管包括源极端子连接到正相输入端子,漏极端子连接到负相输出端子,栅极端子被提供负相位本地信号。 第三晶体管包括源极端子连接到负相输入端子,漏极端子连接到正相输出端子,栅极端子被提供负相位本地信号。 第四晶体管包括源极端子连接到负相输入端子,漏极端子连接到负相输出端子,栅极端子被提供有正相本地信号。
    • 6. 发明授权
    • Radio device
    • 无线电设备
    • US08970445B2
    • 2015-03-03
    • US13398098
    • 2012-02-16
    • Toshiya MitomoYukako TsutsumiHideo Kasami
    • Toshiya MitomoYukako TsutsumiHideo Kasami
    • H01Q1/50H03H7/38H04B1/46H01Q3/00H01Q7/00H01Q9/16
    • H01Q1/50H01Q3/00H01Q7/00H01Q9/16
    • There is provided a radio device including an antenna, a first impedance converting circuit, a second impedance converting circuit and a differential output unit. The antenna has a first terminal and a second terminal to receive a signal. The first impedance converting circuit and the second impedance converting circuit have a first impedance and a second impedance, respectively. The first impedance and the second impedance each are controllable. One end of the first impedance converting circuit and one end of the second impedance converting circuit are connected to the first terminal and the second terminal of the antenna, respectively. The differential output unit is connected to the other end of the first impedance converting circuit and the other end of the second impedance converting circuit through which the signal received by the antenna is input to the differential output unit, and transform the signal into a differential signal.
    • 提供了一种无线电设备,包括天线,第一阻抗转换电路,第二阻抗转换电路和差分输出单元。 天线具有接收信号的第一端子和第二端子。 第一阻抗转换电路和第二阻抗转换电路分别具有第一阻抗和第二阻抗。 第一阻抗和第二阻抗各自是可控的。 第一阻抗转换电路的一端和第二阻抗转换电路的一端分别连接到天线的第一端子和第二端子。 差分输出单元连接到第一阻抗转换电路的另一端和第二阻抗转换电路的另一端,由天线接收的信号通过该另一端输入到差分输出单元,并将该信号变换成差分信号 。
    • 8. 发明申请
    • HIGH-FREQUENCY SWITCHING CIRCUIT AND RADIO COMMUNICATION DEVICE
    • 高频切换电路和无线电通信设备
    • US20120064835A1
    • 2012-03-15
    • US13036762
    • 2011-02-28
    • Tong WangToshiya Mitomo
    • Tong WangToshiya Mitomo
    • H01P1/10H04W88/02
    • H01P1/127H04B1/48H04W88/02
    • According to one embodiment of the present invention, there is provided a high-frequency switching circuit including a first differential line and third line. The differential line includes a first line configured to have one end and an other end, a second line configured to have one end and an other end and a first switch configured to switch electrical connection between the one ends of the first and second lines. The differential line receives or outputs differential signals by the other ends of the first and second lines. The third line is configured to be electromagnetically coupled with the first differential line when the first switch is turned on. The first switch is arranged at a position where an electrical length from the other end of the first line and an electrical length from the other end of the second line are approximately equal.
    • 根据本发明的一个实施例,提供了一种包括第一差分线和第三线的高频开关电路。 差动线包括被配置为具有一端和另一端的第一线,被配置为具有一端和另一端的第二线和被配置为切换第一线和第二线的一端之间的电连接的第一开关。 差分线由第一和第二线的另一端接收或输出差分信号。 第三线被配置为当第一开关导通时与第一差分线电磁耦合。 第一开关布置在从第一线的另一端的电长度和来自第二线的另一端的电长度近似相等的位置处。
    • 9. 发明申请
    • Marchand balun
    • 马尔尚巴伦
    • US20100315175A1
    • 2010-12-16
    • US12807160
    • 2009-03-06
    • Naoko OnoToshiya Mitomo
    • Naoko OnoToshiya Mitomo
    • H01P5/10
    • H01P5/10
    • According to an aspect of the present invention, there is provided a Marchand balun including: a half-wavelength first line including: a first end configured to input or output the single-mode signal; a second end electrically opened; and a center; and quarter-wavelength second and third lines each including: a third end configured to input or output the differential-mode signal; and a fourth end connected to a ground, wherein a thickness of the first line at the center is thicker than those at the first and second ends, and wherein thicknesses of the second and third lines at the fourth ends are thicker than those at the third ends.
    • 根据本发明的一个方面,提供了一种包括:半波长第一线的Marchand平衡 - 不平衡变换器,包括:被配置为输入或输出单模信号的第一端; 第二端电开; 和一个中心; 和四分之一波长的第二和第三线,每个包括:被配置为输入或输出差分模式信号的第三端; 以及连接到地面的第四端,其中所述第一线在所述中心处的厚度大于所述第一端和所述第二端处的厚度,并且其中所述第四端的第二线和第三线的厚度比所述第三端处的厚度大 结束。
    • 10. 发明申请
    • FMCW SIGNAL GENERATION CIRCUIT
    • FMCW信号发生电路
    • US20100245160A1
    • 2010-09-30
    • US12557853
    • 2009-09-11
    • Hiroki SakuraiHiroaki IshiharaToshiya Mitomo
    • Hiroki SakuraiHiroaki IshiharaToshiya Mitomo
    • G01S13/00
    • G01S7/4008G01S13/345H03C3/08H03C3/09
    • An FMCW signal generation circuit includes: an oscillator configured to oscillate in an oscillation frequency that is variable in accordance with a control signal being input thereto and output an FMCW signal having the oscillation frequency; a phase detector configured to detect a phase of the FMCW signal; a first differentiator configured to obtain a frequency by differentiating the phase detected by the phase detector; a second differentiator configured to obtain a frequency variation rate by differentiating the frequency obtained by the first differentiator; a subtractor configured to calculate an error between a set frequency variation rate that is set at a given value and the frequency variation rate obtained by the second differentiator; and an integrator configured to generate the control signal for controlling the oscillation frequency of the oscillator by integrating the error calculated by the subtractor.
    • FMCW信号发生电路包括:振荡器,被配置为以根据输入的控制信号可变的振荡频率振荡,并输出具有振荡频率的FMCW信号; 相位检测器,被配置为检测所述FMCW信号的相位; 第一微分器,被配置为通过对由相位检测器检测到的相位进行微分来获得频率; 第二微分器,被配置为通过区分由第一微分器获得的频率来获得频率变化率; 减法器,被配置为计算设定在给定值的设定频率变化率与由所述第二微分器获得的频率变化率之间的误差; 以及积分器,被配置为通过对由减法器计算的误差进行积分来产生用于控制振荡器的振荡频率的控制信号。