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    • 21. 发明授权
    • Recirculating delay line digital pulse generator having high control
proportionality
    • 具有高控制比例的再循环延迟线数字脉冲发生器
    • US5525939A
    • 1996-06-11
    • US501269
    • 1995-07-12
    • Shigenori YamauchiTakamoto Watanabe
    • Shigenori YamauchiTakamoto Watanabe
    • H03K3/03H03K5/135H03B5/24H03K3/012H03K3/027
    • H03K3/0315H03K5/135
    • In a digital control pulse generator including a ring oscillator composed of multiple inversion circuits connected in a ring for circulating a pulse, a counter and selectors which turn data of a flip-flop to high when a counted value of the pulse from a terminal of the ring oscillator becomes a value corresponding to ten high order bits of control data, a pulse selector for taking out a clock of the flip-flop from the inversion circuit at the position specified by four bit control data and a delay line and logical product circuit which turn an output signal of the system to a high level for a predetermined time when the output of the flip-flop turns high, a register and adder accumulate the four low order bits of the control data every time the output signal turns high to update the data four bit data. As a result, the ring oscillator may be continuously operated and an oscillation cycle proportional to the control data may be set.
    • 在包括环形振荡器的数字控制脉冲发生器中,所述环形振荡器由连接在环中以循环脉冲的多个反相电路组成,计数器和选择器将触发器的数据值从 环形振荡器成为对应于控制数据的十个高位位的值,用于在由四位控制数据指定的位置处的反相电路中取出触发器的时钟的脉冲选择器和延迟线以及逻辑积电路, 当触发器的输出变为高电平时,将系统的输出信号转换到高电平达预定时间,寄存器和加法器在每当输出信号变为高电平时累积控制数据的四个低位,以更新 数据四位数据。 结果,可以连续地操作环形振荡器,并且可以设置与控制数据成比例的振荡周期。
    • 22. 发明授权
    • Pulse generator
    • 脉冲发生器
    • US5477196A
    • 1995-12-19
    • US362648
    • 1994-12-23
    • Shigenori YamauchiTakamoto Watanabe
    • Shigenori YamauchiTakamoto Watanabe
    • G01R25/00G01R25/08G01R29/02H03K3/03H03K3/354H03K5/00H03K5/135H03K5/26H03L7/06H03L7/085H03B27/00H03L7/083H03L7/18
    • H03K3/0315H03K5/135
    • In a device for encoding a pulse phase difference or controlling an oscillation frequency based on delayed signals sequentially output by a delay circuit, the encoding of a pulse phase difference or the oscillation control can be simultaneously performed using a single delay device. There is provided a frequency converter including a ring oscillator consisting of inverting circuits interconnected in the form of a ring, a pulse phase difference encoding circuit for encoding the cycle of a reference signal into a binary digital value based on a pulse output by the ring oscillator, an arithmetic circuit for multiplying or dividing the binary digital value by a predetermined value to generate control data and a digitally controlled oscillation circuit for generating a pulse signal in a cycle in accordance with the control data based on the pulse output by the ring oscillator, the ring oscillator being shared by the encoding circuit and oscillation circuit. This makes the time resolution of the encoding and oscillation circuits constant, thereby allowing accurate frequency conversion.
    • 在根据由延迟电路顺序输出的延迟信号对脉冲相位差进行编码或控制振荡频率的装置中,可以使用单个延迟装置同时进行脉冲相位差的编码或振荡控制。 提供了一种变频器,包括由环形互连的反相电路构成的环形振荡器,用于基于环形振荡器输出的脉冲将参考信号的周期编码为二进制数字值的脉冲相位差编码电路 ,用于将二进制数字值乘以预定值以产生控制数据的运算电路和用于根据由环形振荡器输出的脉冲输出的控制数据在一个周期内产生脉冲信号的数字控制振荡电路, 环形振荡器由编码电路和振荡电路共享。 这使得编码和振荡电路的时间分辨率恒定,从而允许精确的频率转换。
    • 23. 发明授权
    • Pulse phase difference coding circuit
    • 脉冲相位差编码电路
    • US08847810B2
    • 2014-09-30
    • US13312168
    • 2011-12-06
    • Shigenori Yamauchi
    • Shigenori Yamauchi
    • H03M1/60G08C19/12
    • G08C19/12
    • In a pulse phase difference coding circuit, a count unit includes a plurality of partial counters connected to each other in series so that the most significant bit of an output of the previous stage serves as an operation clock of the subsequent stage. A circulation number detecting unit includes a first latch circuit which is provided for each of the partial counters and latches an output of the partial counter according to a pulse for measurement, and a first delay circuit which treats the partial counter in the second stage or later as an object counter and delays the pulse for measurement by a total delay time in all the partial counters located at the previous stages of the object counter. The pulse for measurement is inputted into the first latch circuit which latches an output of the object counter.
    • 在脉冲相位差编码电路中,计数单元包括彼此串联连接的多个部分计数器,使得前一级的输出的最高有效位用作后级的操作时钟。 循环号检测单元包括为每个部分计数器提供的第一锁存电路,并根据用于测量的脉冲锁存部分计数器的输出;以及第一延迟电路,其在第二级或更后级中处理部分计数器 作为对象计数器,并且在对象计数器的前一级的所有部分计数器中将用于测量的脉冲延迟总延迟时间。 用于测量的脉冲被输入到锁存对象计数器的输出的第一锁存电路。
    • 25. 发明申请
    • PULSE PHASE DIFFERENCE CODING CIRCUIT
    • 脉冲相位差编码电路
    • US20120139772A1
    • 2012-06-07
    • US13312168
    • 2011-12-06
    • Shigenori Yamauchi
    • Shigenori Yamauchi
    • G08C19/12
    • G08C19/12
    • In a pulse phase difference coding circuit, a count unit includes a plurality of partial counters connected to each other in series so that the most significant bit of an output of the previous stage serves as an operation clock of the subsequent stage. A circulation number detecting unit includes a first latch circuit which is provided for each of the partial counters and latches an output of the partial counter according to a pulse for measurement, and a first delay circuit which treats the partial counter in the second stage or later as an object counter and delays the pulse for measurement by a total delay time in all the partial counters located at the previous stages of the object counter. The pulse for measurement is inputted into the first latch circuit which latches an output of the object counter.
    • 在脉冲相位差编码电路中,计数单元包括彼此串联连接的多个部分计数器,使得前一级的输出的最高有效位用作后级的操作时钟。 循环号检测单元包括为每个部分计数器提供的第一锁存电路,并根据用于测量的脉冲锁存部分计数器的输出;以及第一延迟电路,其在第二级或更后级中处理部分计数器 作为对象计数器,并且在对象计数器的前一级的所有部分计数器中将用于测量的脉冲延迟总延迟时间。 用于测量的脉冲被输入到锁存对象计数器的输出的第一锁存电路。