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    • 53. 发明授权
    • Logic coincidence gate and logic sequential circuits using said
coincidence gate
    • 使用所述符合门的逻辑符合门和逻辑顺序电路
    • US4703204A
    • 1987-10-27
    • US807731
    • 1985-12-11
    • Ngu T. Pham
    • Ngu T. Pham
    • H03K19/20H03K19/21H03K19/017H03K19/02H03K19/092H03K19/094
    • H03K19/217
    • The invention relates to a coincidence gate, whose output only changes state if the inputs are of the same logic level. It has two parallel-connected NOT circuits, each constituted by a transistor, whose source is at earth and the drain supplied by a resistor, the gates constituting the inputs of the gate. The two resistors are identical saturated resistors and the first NOT circuit is supplied from a fixed voltage, whereas the second NOT circuit is supplied across a Schottky diode connected in the forward direction from the point common to the first saturated resistor and to the drain of the first transistor. The point common to the Schottky diode and the second saturated resistor constitutes the output of the coincidence gate. Application to sequential logic circuits.
    • 本发明涉及符合门,其输出仅在输入具有相同逻辑电平时才改变状态。 它具有两个并联的NOT电路,每个都由晶体管构成,晶体管源源于地,漏极由电阻提供,栅极构成栅极的输入。 两个电阻是相同的饱和电阻,第一个NOT电路由一个固定的电压提供,而第二个NOT电路是从正向连接的肖特基二极管上提供的,该肖特基二极管与第一个饱和电阻相同的点连接到 第一晶体管。 肖特基二极管和第二饱和电阻共同点构成了重合门的输出。 应用于顺序逻辑电路。
    • 55. 发明授权
    • Fail-safe or gate
    • 故障安全或门禁
    • US4125784A
    • 1978-11-14
    • US819514
    • 1977-07-27
    • John R. Harrison
    • John R. Harrison
    • H03K19/007H03K19/02H03K19/30
    • H03K19/007
    • A fail-safe "OR" logic gate circuit which includes at least a first and a second level detector each of which has a voltage breakdown device and an oscillating circuit, a separate resonant tank circuit each of which is tuned to substantially the same frequency and being loosely coupled between each other, an amplifying circuit coupled to the output of each oscillating circuit, and a regulating-rectifying circuit coupled to the output of the amplifying circuit and producing a d.c. output signal when a d.c. input signal causes either or both of the voltage breakdown devices to break down and to exhibit a low impedance for causing the respective oscillating circuits to oscillate and supply a.c. signals to the amplifying circuit for rectification by the regulating-rectifying circuit.
    • 一种故障安全的“或”逻辑门电路,其至少包括第一和第二电平检测器,每个检测器具有电压击穿器件和振荡电路,每个谐振回路被调谐到基本相同的频率, 彼此松耦合,耦合到每个振荡电路的输出的放大电路和耦合到放大电路的输出的调节整流电路,并产生直流 输出信号时直流 输入信号导致电压击穿器件中的任一个或两者分解并且呈现低阻抗,以使相应的振荡电路振荡并提供直流。 通过调节整流电路向放大电路发送信号以进行整流。
    • 56. 发明授权
    • Josephson device threshold gates
    • 约瑟夫森器件阈值门
    • US3868515A
    • 1975-02-25
    • US31981172
    • 1972-12-29
    • IBM
    • LANDMAN BERNARD S
    • H03K19/195H03K19/02H03K3/38H03K19/20
    • H03K19/1952Y10S505/858
    • Threshold logic gates are provided using Josephson devices to perform the weighting and threshold functions. The input currents are provided as control currents to vary the critical switching currents of respective series connected Josephson devices. A logic 1 input switches the associated Josephson device or devices from the V 0 state to the V Delta state. An alternate parallel path is provided. The alternate path carries a current which is effectively the sum of the weighted logic inputs. A further Josephson device is positioned to be influenced by the current in said alternate path whereby the further Josephson device switches from the V 0 state to the V Delta state when the threshold function is achieved.
    • 使用约瑟夫逊器件提供阈值逻辑门来执行加权和阈值函数。 输入电流被提供为控制电流,以改变各个串联的约瑟夫逊器件的关键开关电流。 逻辑1输入将相关联的约瑟夫逊器件或器件从V = 0状态切换到V = DELTA状态。 提供了一个交替的并行路径。 备用路径携带有效地加权逻辑输入之和的电流。 进一步的约瑟夫逊装置被定位成受到所述交替路径中的电流的影响,由此当实现阈值功能时,另外的约瑟夫逊装置从V = 0状态切换到V = DELTA状态。