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    • 3. 发明授权
    • Oscillator controller and atomic oscillator
    • 振荡器控制器和原子振荡器
    • US06801091B2
    • 2004-10-05
    • US10315738
    • 2002-12-10
    • Ken AtsumiHideyuki MatsuuraYoshifumi NakajimaYoshito Koyama
    • Ken AtsumiHideyuki MatsuuraYoshifumi NakajimaYoshito Koyama
    • H03L726
    • G04F5/14
    • An oscillator controller which optimizes key circuit parameters of an excitation circuit according to the operating condition of a discharge lamp. An excitation circuit energizes a discharge lamp to produce a light beam for pumping atoms, as part of a mechanism of atomic resonance detection. The operation of the excitation circuit is monitored by a start-up voltage monitor, which asserts a voltage monitoring signal when the excitation circuit's start-up voltage is reached. A light amount monitor receives a resonance detection signal from a light sensing device to check the amount of light before and after the discharge lamp lights up. The resultant light amount monitoring signal indicates this information. Based on the two monitoring signals, a bias voltage selector selects an appropriate bias voltage that varies circuit parameters of the excitation circuit.
    • 振荡器控制器,根据放电灯的工作条件优化激励电路的关键电路参数。 励磁电路使放电灯通电,产生用于泵浦原子的光束,作为原子共振检测机制的一部分。 激励电路的运行由启动电压监视器监控,当启动电压达到启动电压监视器时,启动电压监视器产生电压监视信号。 光量监视器从光检测装置接收共振检测信号,以检查放电灯点亮之前和之后的光量。 所得光量监视信号表示该信息。 基于两个监控信号,偏置电压选择器选择适当的偏置电压,其改变激励电路的电路参数。
    • 6. 发明申请
    • Atomic oscillator
    • 原子振荡器
    • US20050068115A1
    • 2005-03-31
    • US10815070
    • 2004-03-30
    • Ken AtsumiHideyuki MatsuuraAkira Kikuchi
    • Ken AtsumiHideyuki MatsuuraAkira Kikuchi
    • H03L7/26
    • H03L7/26
    • A compact atomic oscillator with improved frequency stability. A voltage-controlled oscillator generates an oscillation signal based on a given control voltage, and a modulator modulates it with a low-frequency signal. A phase-locked loop (PLL) upconverts the modulated oscillation signal directly to a first frequency in atomic resonance frequency band. The first frequency is an integer multiple of the oscillation signal. A frequency synthesizer produces a second frequency specified by a frequency setting unit, and a mixer combines the first and second frequencies to produce an RF signal for driving an atomic resonator. The amount of discharge lamp light passing through the atomic resonator depends on the difference between RF signal frequency and atomic resonance frequency. This quantity is measured as a resonance detection signal, and a frequency controller applies it to synchronous detection to produce a control voltage for the voltage-control oscillator.
    • 具有改善频率稳定性的紧凑型原子振荡器。 压控振荡器基于给定的控制电压产生振荡信号,并且调制器用低频信号进行调制。 锁相环(PLL)将调制的振荡信号在原子共振频带中直接上变频到第一频率。 第一个频率是振荡信号的整数倍。 频率合成器产生由频率设定单元指定的第二频率,并且混合器组合第一和第二频率以产生用于驱动原子共振器的RF信号。 通过原子共振器的放电灯光量取决于RF信号频率和原子共振频率之间的差异。 该量被测量为谐振检测信号,频率控制器将其应用于同步检测以产生用于电压控制振荡器的控制电压。
    • 7. 发明授权
    • Atomic oscillator
    • 原子振荡器
    • US06985043B2
    • 2006-01-10
    • US10815070
    • 2004-03-30
    • Ken AtsumiHideyuki MatsuuraAkira Kikuchi
    • Ken AtsumiHideyuki MatsuuraAkira Kikuchi
    • H01S1/06
    • H03L7/26
    • A compact atomic oscillator with improved frequency stability. A voltage-controlled oscillator generates an oscillation signal based on a given control voltage, and a modulator modulates it with a low-frequency signal. A phase-locked loop (PLL) upconverts the modulated oscillation signal directly to a first frequency in atomic resonance frequency band. The first frequency is an integer multiple of the oscillation signal. A frequency synthesizer produces a second frequency specified by a frequency setting unit, and a mixer combines the first and second frequencies to produce an RF signal for driving an atomic resonator. The amount of discharge lamp light passing through the atomic resonator depends on the difference between RF signal frequency and atomic resonance frequency. This quantity is measured as a resonance detection signal, and a frequency controller applies it to synchronous detection to produce a control voltage for the voltage-control oscillator.
    • 具有改善频率稳定性的紧凑型原子振荡器。 压控振荡器基于给定的控制电压产生振荡信号,并且调制器用低频信号进行调制。 锁相环(PLL)将调制的振荡信号在原子共振频带中直接上变频到第一频率。 第一个频率是振荡信号的整数倍。 频率合成器产生由频率设定单元指定的第二频率,并且混合器组合第一和第二频率以产生用于驱动原子共振器的RF信号。 通过原子共振器的放电灯光量取决于RF信号频率和原子共振频率之间的差异。 该量被测量为谐振检测信号,频率控制器将其应用于同步检测以产生用于电压控制振荡器的控制电压。
    • 9. 发明申请
    • Atomic Oscillator
    • 原子振荡器
    • US20090302956A1
    • 2009-12-10
    • US12388628
    • 2009-02-19
    • Hideyuki Matsuura
    • Hideyuki Matsuura
    • H03L7/26
    • H03L1/04H03L1/022H03L7/26
    • An atomic oscillator includes a light source, a first coil initiating the light source to emit light, a resonance cell having enclosed atoms absorbing light from the light source, a second coil adjusting the resonant frequency of the atoms in the resonance cell, a resonator supplying the microwave of a predetermined frequency to the resonance cell, a control circuit generating a control voltage corresponding to a light absorption amount in the resonance cell according to the microwave frequency, and an oscillator having an output signal frequency controlled to the resonant frequency by the control voltage, wherein the first and second coils and the resonator are formed of a conductor pattern on a rigid-flexible substrate having a rigid portion and a flexible portion, and the flexible portion is wound on the periphery of the light source and the resonance cell, and connected to a connector disposed on the rigid portion.
    • 原子振荡器包括光源,引发光源以发光的第一线圈,具有吸收来自光源的光的封闭原子的谐振单元,调节谐振单元中原子的谐振频率的第二线圈, 对共振单元的预定频率的微波,根据微波频率产生对应于谐振单元中的光吸收量的控制电压的控制电路,以及具有通过控制对共振频率进行控制的输出信号频率的振荡器 电压,其中所述第一和第二线圈和所述谐振器由具有刚性部分和柔性部分的刚性柔性基板上的导体图案形成,并且所述柔性部分缠绕在所述光源和所述谐振单元的周围, 并连接到设置在刚性部分上的连接器。