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    • 82. 发明申请
    • OSCILLATION CIRCUIT AND OPERATING CURRENT CONTROL METHOD THEREOF
    • 振荡电路及其工作电流控制方法
    • US20130082789A1
    • 2013-04-04
    • US13704367
    • 2011-05-10
    • Fumihiro Inoue
    • Fumihiro Inoue
    • H03K3/36
    • H03K3/36H03K3/011H03K3/0231
    • An oscillation circuit includes a condenser, a charging/discharging part configured to switch between charging and discharging of the condenser according to a control signal, a comparator configured to compare a voltage of the condenser with a reference voltage and output a comparison result signal, a flip-flop configured to be set or reset according to the comparison result signal, supply an output signal as the control signal to the charging/discharging part, and output the output signal as an oscillation signal, and a current control part configured to control an operating current of the comparator in correspondence with the voltage of the condenser.
    • 振荡电路包括:冷凝器,配置成根据控制信号在电容器的充电和放电之间切换的充电/放电部,比较器,用于将电容器的电压与参考电压进行比较,并输出比较结果信号; 触发器被配置为根据比较结果信号被设置或复位,将输出信号作为控制信号提供给充电/放电部分,并输出作为振荡信号的输出信号;以及电流控制部分,被配置为控制 比较器的工作电流与冷凝器的电压相对应。
    • 83. 发明申请
    • CONSTANT CURRENT DRIVEN OSCILLATING CIRCUIT
    • 恒定电流驱动振荡电路
    • US20100182094A1
    • 2010-07-22
    • US12683531
    • 2010-01-07
    • Kouji NASU
    • Kouji NASU
    • H03K3/36
    • H03B5/366
    • There is provided a constant current driven oscillating circuit including: an oscillator with first and second ends; a first field effect transistor that turns ON when a signal of a lower level than a first threshold voltage is input to a first gate terminal, and outputs, from a second terminal, current that has been input from a first terminal; a second field effect transistor turning ON when a signal output from the oscillator and is at a higher level than a second threshold voltage is input to a second gate terminal connected to the second end of the oscillator, and outputs, from a fourth terminal, current that has been input from a third terminal connected to the second terminal and to the first end of the oscillator; and an adjusting section that adjusts the first threshold voltage according to the level of the signal output from the oscillator.
    • 提供了一种恒流驱动振荡电路,包括:具有第一和第二端的振荡器; 当第一栅极端子输入低于第一阈值电压的信号时,将第一场效应晶体管导通,并从第二端子输出从第一端子输入的电流; 当从振荡器输出的信号处于比第二阈值电压高的信号时,第二场效应晶体管导通到连接到振荡器的第二端的第二栅极端子,并从第四端子输出电流 已从连接到第二终端的第三终端和振荡器的第一端输入; 以及调整部,其根据从振荡器输出的信号的电平来调整第一阈值电压。
    • 85. 发明授权
    • Tunable, maximum power output, frequency harmonic comb generator
    • 可调谐,最大功率输出,频率谐波梳发生器
    • US07193486B2
    • 2007-03-20
    • US11038354
    • 2005-01-19
    • Eric M. MrozekFlavia S. FongMark Kintis
    • Eric M. MrozekFlavia S. FongMark Kintis
    • H03K3/36H03K3/00
    • H03K5/12H03B25/00
    • A comb frequency generator that is tunable to vary the width of the pulses in the output signal and achieve a maximum power output at different harmonic frequencies. A wavefront compression device receives a sinusoidal input signal and provides wavefront compression to create a compressed signal having a series of periodic fast edges. A delay device receives the fast-edge compressed signal and delays the fast-edge signal to create a delayed fast-edge signal. A combining device receives the original fast-edge compressed signal and the delayed fast-edge compressed signal to generate an output signal including a series of pulses having a width determined by the delay of the delayed signal. In one embodiment, the delay device is a shorted transmission line stub having a length selectively set by a series of MEM devices. In another embodiment, the delay device is an NLTL variable time delay device that delays the fast-edge signal.
    • 梳状频率发生器,可调谐以改变输出信号中的脉冲宽度,并实现不同谐波频率下的最大功率输出。 波前压缩装置接收正弦输入信号并提供波前压缩以产生具有一系列周期性快速边缘的压缩信号。 延迟装置接收快速边缘压缩信号并延迟快速边缘信号以产生延迟的快速边缘信号。 组合装置接收原始快速边缘压缩信号和延迟的快速边缘压缩信号,以产生包括具有由延迟信号的延迟确定的宽度的一系列脉冲的输出信号。 在一个实施例中,延迟装置是具有由一系列MEM装置选择性地设置的长度的短路传输线短截线。 在另一个实施例中,延迟装置是延迟快速边缘信号的NLTL可变时间延迟装置。
    • 86. 发明授权
    • Pulse generating circuit and sampling circuit
    • 脉冲发生电路和采样电路
    • US07113013B2
    • 2006-09-26
    • US11136324
    • 2005-05-24
    • Akihiro Kawata
    • Akihiro Kawata
    • H03K5/01H03K3/02H03K3/36
    • H03K3/33H03K17/74
    • There is provided a pulse generating circuit, which generates two pulses having a sign of amplitude different from each other, including: a step recovery diode of which electric potential of an anode and a cathode is respectively output as the pulses; a bias unit operable to select either a forward bias or a backward bias according to a given control signal and apply the selected bias to the step recovery diode; a forward current source operable to prescribe a forward current to be supplied to the step recovery diode when the forward bias is applied to the step recovery diode; and a backward current source operable to prescribe a backward current to be supplied to the step recovery diode when the backward bias is applied to the step recovery diode.
    • 提供脉冲发生电路,其生成具有彼此不同的振幅符号的两个脉冲,包括:分别输出阳极和阴极的电位作为脉冲的阶跃恢复二极管; 偏置单元,用于根据给定的控制信号选择正向偏置或反向偏置,并将所选择的偏压施加到步进恢复二极管; 正向电流源,其可操作以在将正向偏压施加到阶跃恢复二极管时规定要提供给阶跃恢复二极管的正向电流; 以及反向电流源,当反向偏置被施加到阶跃恢复二极管时,其可操作地规定要提供给阶跃恢复二极管的反向电流。
    • 87. 发明授权
    • Sequential logic circuit having state hold circuits
    • 具有状态保持电路的顺序逻辑电路
    • US5426682A
    • 1995-06-20
    • US797936
    • 1991-11-26
    • Motomu Takatsu
    • Motomu Takatsu
    • G06F7/00G05B19/07G11C19/28H03K3/36H03K19/21H03K23/54G11C19/00
    • H03K3/36G05B19/07H03K19/212
    • A sequential logic circuit includes N state hold circuit where N is an integer. Each of the state hold circuits has a first input terminal, a second input terminal and an output terminal. The state hold circuits are cascaded via the respective first input terminals. The second input terminals of the state hold circuits receive a first clock signal. The first input terminal of one of the state hold circuits in a first stage receives a data signal. The output signal is obtained via the output terminal of one of the state hold circuits in a final stage. Each of the state hold circuits has the following truth table:______________________________________ A B Qn + 1 ______________________________________ 0 0 1 or 0 0 1 Qn 1 0 Qn 1 1 0 or 1 ______________________________________ wherein A and B designate the respective logic level signals applied to the first and second input terminals and Qn+1 designates the respective logic level of the resultant, current output signal produced at the output terminal in response to the corresponding, current logic levels input signals A and B, Qn representing that the prior logic level output signal is maintained as the current logic level output signal.
    • 顺序逻辑电路包括N状态保持电路,其中N是整数。 每个状态保持电路具有第一输入端,第二输入端和输出端。 状态保持电路经由各自的第一输入端子级联。 状态保持电路的第二输入端接收第一时钟信号。 第一级的状态保持电路之一的第一输入端接收数据信号。 输出信号通过最后一级状态保持电路之一的输出端获得。 每个状态保持电路具有以下真值表:-AB Qn + 1 -0 0 1或0 -0 1 Qn -1 0 Qn -1 1 0或1 - 其中A和B表示施加到 第一和第二输入端和Qn + 1表示响应于对应的当前逻辑电平输入信号A和B的输出端产生的所得到的当前输出信号的相应逻辑电平,Qn表示先前的逻辑电平输出 信号保持为当前逻辑电平输出信号。
    • 88. 发明授权
    • Logic circuit uising transistor having negative differential conductance
    • 使用具有负微分电导的晶体管的逻辑电路
    • US5260609A
    • 1993-11-09
    • US945591
    • 1992-09-16
    • Motomu Takatsu
    • Motomu Takatsu
    • H01L27/06H03K3/36H03K19/08H03K19/21H03K19/013H03K4/787
    • H03K3/36H01L27/0605H03K19/08H03K19/212
    • A logic circuit first, second and third input terminals, an output terminal, a load resistance element, and a transistor having a negative differential conductance. The collector is connected to the output terminal and coupled to a first power source via the load resistance element. The emitter is connected to a second power source. First, second and third resistors are connected between the base of the transistor and the first, second and third input terminals, respectively. A fourth resistor is connected between the base and emitter of the transistor. The resistance values of the first, second, third and fourth resistors are selected so that the transistor has first and second operating points respectively obtained when all the first, second and third input terminals are at a low level and when two of the first, second and third input terminals are at a high level, and has third and fourth operating points respectively obtained when one of the first, second and third input terminals is at the high level and when all the first, second and third input terminals are at the high level. A collector current obtained at the first and second operating points is less than that obtained at the third and fourth operating points.
    • 逻辑电路第一,第二和第三输入端子,输出端子,负载电阻元件和具有负微分电导的晶体管。 集电极连接到输出端并通过负载电阻元件耦合到第一电源。 发射极连接到第二个电源。 首先,第二和第三电阻分别连接在晶体管的基极与第一,第二和第三输入端之间。 第四电阻连接在晶体管的基极和发射极之间。 选择第一,第二,第三和第四电阻器的电阻值,使得晶体管具有在所有第一,第二和第三输入端子处于低电平时分别获得的第一和第二工作点,以及当第一,第二,第二电阻 并且第三输入端子处于高电平,并且当第一,第二和第三输入端子之一处于高电平时,并且当所有第一,第二和第三输入端子处于高电平时,分别具有第三和第四工作点 水平。 在第一和第二操作点获得的集电极电流小于在第三和第四操作点获得的集电极电流。