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    • 1. 发明专利
    • High frequency circuit
    • 高频电路
    • JP2010016702A
    • 2010-01-21
    • JP2008175919
    • 2008-07-04
    • Mitsubishi Electric CorpTohoku Univ三菱電機株式会社国立大学法人東北大学
    • MIYAZAKI MORIYASUKAMEDA TAKUTAKAGI SUNAOTSUBOUCHI KAZUOOSHIMA SHOICHI
    • H03H7/21H03D7/14H03H7/48
    • PROBLEM TO BE SOLVED: To obtain a high frequency circuit including a wide-band and high-accuracy 90° phase distribution function wherein a phase error generated in a 90° phase distributor can be eliminated when distributing at 90° a phase of as local oscillation signal of a quadrature modulator or a quadrature demodulator.
      SOLUTION: The high frequency circuit includes: a 90° phase distributor 11 to which a sine wave signal is input and which generates a first output signal A having the same frequency as that of the sine wave signal and a second output signal B having a phase difference at 90° from the sine wave signal; an adder circuit 12 which performs addition processing on the first and second output signals A and B to output results thereof from an output terminal 15; and a subtractor circuit 13 which performs subtraction processing on the first and second output signals A and B to output the results thereof from an output terminal 16.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了获得包括宽带和高精度90°相位分布函数的高频电路,其中在90°相位分配器中产生的相位误差可以在90°相位分布时被消除 作为正交调制器或正交解调器的本地振荡信号。 解决方案:高频电路包括:输入正弦波信号的90°相位分配器11,并产生与正弦波信号相同频率的第一输出信号A和第二输出信号B 具有与正弦波信号成90°的相位差; 对第一和​​第二输出信号A和B执行加法处理以从输出端子15输出结果的加法器电路12; 以及减法器电路13,对第一和第二输出信号A和B执行减法处理,以从输出端子16输出其结果。(C)2010年,JPO和INPIT
    • 2. 发明专利
    • Current mode ad converter
    • 电流模式AD转换器
    • JP2010171533A
    • 2010-08-05
    • JP2009010127
    • 2009-01-20
    • Mitsubishi Electric CorpTohoku Univ三菱電機株式会社国立大学法人東北大学
    • MIYAZAKI MORIYASUTANIGUCHI EIJISHIMOZAWA MITSUHIRONOZAWA KYOJIKAMEDA TAKUTAKAGI SUNAOTSUBOUCHI KAZUO
    • H03M1/14
    • PROBLEM TO BE SOLVED: To provide a current mode AD converter for improving linearity of a VIC and widening the band of an ADC.
      SOLUTION: The current mode AD converter includes: a VI converter 10 for converting the input analog voltage value of differential signals to the input analog current value of operation signals; and a current mode pipeline type AD converter 15 which has an 1.5-bit redundant conversion function, for AD converting the input analog current value of the differential signals which is the output of the VI converter. The VI converter 10 includes: an amplifier whose voltage gain is -A times; a transistor wherein the input of the amplifier is connected to a source, the output of the amplifier is connected to a gate and negative feedback is applied; a resistor; and a constant current source.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种电流模式AD转换器,用于提高VIC的线性度并扩大ADC的频带。 解决方案:电流模式AD转换器包括:VI转换器10,用于将差分信号的输入模拟电压值转换为操作信号的输入模拟电流值; 以及具有1.5位冗余转换功能的电流模式流水线型AD转换器15,用于AD转换作为VI转换器的输出的差分信号的输入模拟电流值。 VI转换器10包括:放大器,其电压增益为-A倍; 放大器的输入连接到源极的晶体管,放大器的输出端连接到栅极并施加负反馈; 一个电阻; 和恒流源。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Communication device
    • 通信设备
    • JP2009194722A
    • 2009-08-27
    • JP2008034763
    • 2008-02-15
    • Mitsubishi Electric CorpTohoku Univ三菱電機株式会社国立大学法人東北大学
    • NAKASE HIROYUKIGHEORGHIU VALENTINKAMEDA TAKUTAKAGI SUNAOTSUBOUCHI KAZUOADACHI FUMIYUKIMIYAZAKI MORIYASU
    • H04B7/005H04B1/16H04B3/06
    • PROBLEM TO BE SOLVED: To obtain a communication device capable of obtaining excellent characteristics by correcting device distortion and propagation distortion.
      SOLUTION: The communication device for reception includes: a high frequency demodulation circuit 2 for converting a received signal into a baseband signal; an analog/digital conversion circuit 3 for converting the baseband signal converted by the high frequency demodulation circuit into a digital signal; and a baseband demodulation circuit 5 which demodulates the baseband signal from the digital signal converted by the analog/digital conversion circuit and outputs the demodulated baseband signal, wherein, between the analog/digital conversion circuit 3 and the baseband demodulation circuit 5, a frequency equalization circuit 4 for reception is provided which corrects device distortion and propagation distortion.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了获得能够通过校正装置失真和传播失真而获得优异特性的通信装置。 解决方案:用于接收的通信装置包括:用于将接收信号转换为基带信号的高频解调电路2; 用于将由高频解调电路转换的基带信号转换为数字信号的模拟/数字转换电路3; 基带解调电路5,对来自模拟/数字转换电路的数字信号进行基带信号的解调,并输出解调后的基带信号,在模/数转换电路3与基带解调电路5之间,进行频率均衡 提供用于接收的电路4,其校正设备失真和传播失真。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Reflective variable impedance matching circuit
    • 反射可变阻抗匹配电路
    • JP2009194445A
    • 2009-08-27
    • JP2008030485
    • 2008-02-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • UCHIDA HIROMITSUYONEDA HISAFUMIKAWAKAMI KENJIMIYAZAKI MORIYASU
    • H01P5/04H01P1/18H01P5/18
    • PROBLEM TO BE SOLVED: To provide a reflective variable impedance matching circuit which has a wider impedance variable range and is miniaturized and performs quick impedance control.
      SOLUTION: In the reflective variable impedance matching circuit, a directional coupler 3 has pass and coupling terminals T3 and T4 connected to variable susceptance circuits respectively and has the other terminals used as input/output terminals T1 and T2, and each of the variable susceptance circuits includes a circuit wherein variable series resonance circuits 9a and 9b having variable resonance frequencies and auxiliary circuits 8a and 8b including at least one of an inductor and a capacitor are connected in parallel. In particular, the auxiliary circuits are variable parallel resonance circuits having variable resonance frequencies.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种反射可变阻抗匹配电路,其具有更宽的阻抗可变范围并且小型化并且执行快速阻抗控制。 解决方案:在反射可变阻抗匹配电路中,定向耦合器3分别具有连接到可变电纳电路的通过耦合端子T3和T4,并且其他端子用作输入/输出端子T1和T2,并且每个 可变电纳电路包括并联连接具有可变谐振频率的可变串联谐振电路9a和9b以及包括电感器和电容器中的至少一个的辅助电路8a和8b的电路。 特别地,辅助电路是具有可变谐振频率的可变并联谐振电路。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Limiter circuit
    • 限制电路
    • JP2009071605A
    • 2009-04-02
    • JP2007238176
    • 2007-09-13
    • Mitsubishi Electric Corp三菱電機株式会社
    • HANYA MASAKIMIYAZAKI MORIYASUKAWAKAMI KENJIOGOMI TOMOKAZUTOCHI TORUNAKAHARA KAZUHIKOTSUBOTA YOSHIHIROKASAHARA MICHIAKI
    • H03G11/02
    • PROBLEM TO BE SOLVED: To provide small and low-loss limiter circuit with low leakage. SOLUTION: The limiter circuit is provided with first and second hybrid circuits 2a, 2b of the same terminal configuration; an input terminal 1a connected to the input port IN of the first hybrid circuit 2a; an output terminal 1b connected to input port IN of the second hybrid circuit 2b; first terminal resistor 4a connected to an isolation port IS of the first hybrid circuit 2a; a second terminal resistor 4b connected to an isolation port IS of the second hybrid circuit 2b, first and second limiting factor circuits 3a, 3b of the same configuration, inserted between the first hybrid circuit 2a and the second hybrid circuit 2b; and a first capacitor 5 inserted between the second hybrid circuit 2b and the second terminal resistor 4b. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供低泄漏的小型和低损耗限制器电路。

      解决方案:限幅器电路设置有相同端子配置的第一和第二混合电路2a,2b; 连接到第一混合电路2a的输入端口IN的输入端子1a; 连接到第二混合电路2b的输入端口IN的输出端子1b; 连接到第一混合电路2a的隔离端口IS的第一端子电阻器4a; 连接到第二混合电路2b的隔离端口IS的第二端子电阻4b,插入在第一混合电路2a和第二混合电路2b之间的相同结构的第一和第二限制电路3a,3b; 以及插入在第二混合电路2b和第二端子电阻4b之间的第一电容器5。 版权所有(C)2009,JPO&INPIT

    • 8. 发明专利
    • High-pass filter built-in switch, high-pass/low-pass filter switching phase shifter, tunable resonator, pass band variable bandpass filter, and stop band variable band rejection filter
    • 高通滤波器内置开关,高通/低通滤波器开关相位变压器,可调谐谐振器,通带变幅滤波器和停止带可变带防雷滤波器
    • JP2008306359A
    • 2008-12-18
    • JP2007150351
    • 2007-06-06
    • Mitsubishi Electric Corp三菱電機株式会社
    • KITSUKAWA TAKESUKENISHINO TAMOTSUHANYA MASAKIMIYAZAKI MORIYASU
    • H03H7/12B81B3/00H03H7/075
    • PROBLEM TO BE SOLVED: To provide a high-pass filter built-in switch which includes a cantilever structure switch formed using a MEMS, to process high-frequency signals with low loss. SOLUTION: The high-pass filter built-in switch includes two cantilever structure switches which open/close a movable electrode provided at a free end of a cantilever and a fixed electrode that faces the movable electrode by deforming the cantilever. The cantilever structure switch includes a first input/output terminal which is connected to a high-frequency line where the fixed electrode of one cantilever structure switch is provided, with a support end of a cantilever being connected to GND through a parallel inductor, a second input/output terminal connected to a high-frequency line where the fixed electrode of the other cantilever structure switch is provided, and a serial capacitor which connects the support end of the cantilever on one cantilever structure switch to that of the cantilever of the other cantilever structure switch. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种高通滤波器内置开关,其包括使用MEMS形成的悬臂结构开关,以处理具有低损耗的高频信号。

      解决方案:高通滤波器内置开关包括两个悬臂结构开关,其通过使悬臂变形使开放/闭合悬臂悬臂的自由端的可动电极和面对可动电极的固定电极。 悬臂结构开关包括连接到设置有一个悬臂结构开关的固定电极的高频线路的第一输入/输出端子,悬臂的支撑端通过并联电感器连接到GND,第二输入/输出端子 输入/输出端子连接到提供另一个悬臂结构开关的固定电极的高频线路,以及串联电容器,其将悬臂的支撑端连接到一个悬臂结构开关与另一悬臂梁的悬臂梁的支撑端 结构开关 版权所有(C)2009,JPO&INPIT

    • 9. 发明专利
    • High-frequency circuit, array antenna apparatus using the same, and integrated circuit
    • 高频电路,使用其的阵列天线装置和集成电路
    • JP2008252612A
    • 2008-10-16
    • JP2007092298
    • 2007-03-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • NISHINO TAMOTSUMIYAZAKI MORIYASUMIYAGUCHI KENICHIOHASHI HIDEMASATAWARA YUKIHIROYOSHIDA YUKIHISAKOJIMA HISATAKA
    • H03K17/955H01P1/12H01P1/18H01P5/04H03K17/00
    • PROBLEM TO BE SOLVED: To determine one state by activating a required switch, in advance, if no activation of the switch is required during operation, and mechanically fixing the switch at the same time, with the state being kept thereafter without the application of a high voltage.
      SOLUTION: The high frequency circuit comprises a switch having a spring-like beam 3; a drive electrode 4 for driving the beam 3 of the switch; a switching side high-frequency contact point 5; a high board side high-frequency contact point 6, that is provided to a board to face the switch side high-frequency contact point 5; a high-frequency line which transmits high frequency, when the high frequency contact points 5 and 6 contact by driving with the drive electrode 4; a DC power source 14 for applying a current that is adequate to melt and bond the metal, constituting the high-frequency contact points 5 and 6, inductors 9 and 10 provided between the high-frequency line and the DC power supply 14, and capacitors 7 and 8 that are loaded in series on the high-frequency line.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了通过启动所需开关来确定一个状态,如果在操作期间不需要启动开关,并且同时机械地固定开关,则在不保存状态的情况下, 应用高电压。 解决方案:高频电路包括具有弹簧状光束3的开关; 用于驱动开关的光束3的驱动电极4; 切换侧高频接点5; 设置在板对面开关侧高频接触点5的高板侧高频接点6; 当高频接触点5和6通过驱动电极4驱动而接触时,发送高频的高频线路; 构成设置在高频线路和直流电源14之间的高频接触点5和6,电感器9和10的金属熔融融合电流的DC电源14以及电容器 7和8串联在高频线上。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • High frequency oscillation source
    • 高频振荡源
    • JP2008118441A
    • 2008-05-22
    • JP2006300339
    • 2006-11-06
    • Mitsubishi Electric Corp三菱電機株式会社
    • NISHIDA KAZUHIROTSURU MASAOMIKAWAKAMI KENJIMIYAZAKI MORIYASUKAMEYAMA SHUNPEINAGATSUKA TSUTOMUHIRANO YOSHIHITO
    • H03B19/00H03L7/24
    • PROBLEM TO BE SOLVED: To attain the low phase noise of an electric signal without using a high Q-value resonance circuit.
      SOLUTION: A high frequency oscillation source includes: a light source 1 with a frequency f
      1 ; first to N-th delay devices 3 alternately connected to the output terminal of the light source 1 by N-stages (N: an integer not less than one); first to N-th optical phase modulators 4 for modulating lightwave, delayed by the first to N-th delay devices 3, with the use of oscillation wave to be inputted; a microwave oscillation means 2 for outputting an oscillation wave with a frequency f
      r to the first to N-th optical phase modulators 4; an O/E converter 5 connected to the output terminal of the N-th optical phase modulator 4; and a band pass filter 6 with a pass band (2Nf
      r ), connected to the O/E converter 5.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了在不使用高Q值谐振电路的情况下获得电信号的低相位噪声。 解决方案:高频振荡源包括:具有频率f 1 的光源1; 第一至第N延迟装置3以N级(N:不小于1的整数)交替地连接到光源1的输出端子。 第一至第N光相位调制器4,用于调制由第一至第N延迟装置3延迟的光波,并使用振荡波进行输入; 用于向第一至第N光相位调制器4输出具有频率f r 的振荡波的微波振荡装置2; 连接到第N个光相位调制器4的输出端的O / E转换器5; 和连接到O / E转换器5的带通(2Nf r )的带通滤波器6.(C)2008,JPO&INPIT