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    • 3. 发明授权
    • Semiconductor arithmetic circuit
    • 半导体运算电路
    • US06606119B1
    • 2003-08-12
    • US09039126
    • 1998-03-13
    • Tadashi ShibataTadahiro Ohmi
    • Tadashi ShibataTadahiro Ohmi
    • H04N5208
    • H04N5/357H04N5/142
    • The present invention has as an object thereof to provide a semiconductor arithmetic circuit which is capable of conducting edge accentuation processing, edge detection processing, and noise removal by means of averaging processing of an image, using extremely simple circuitry. A semiconductor arithmetic circuit is provided with an amplifier circuit in which an input terminal is connected to the gate electrode of at least one MOS type transistor, a first signal input terminal, which is connected with the input terminal via a first switching element, and a plurality of second signal input terminals, which are connected with the input terminal via a capacity element; wherein a mechanism is provided for opening the first switching element in a state in which a first signal voltage is applied to the input terminal and a predetermined second input signal voltage group is applied to the second signal input terminals, and for thereafter applying a predetermined third input signal voltage group to the second signal input terminals, and wherein the amplifier circuit comprises a source follower circuit or a voltage follower circuit.
    • 本发明的目的是提供一种半导体运算电路,其能够通过使用非常简单的电路的图像的平均处理来进行边缘突出处理,边缘检测处理和噪声去除。 半导体运算电路设置有放大电路,其中输入端连接到至少一个MOS型晶体管的栅电极,经由第一开关元件与输入端连接的第一信号输入端和 多个第二信号输入端,经由电容元件与输入端连接; 其特征在于,提供一种机构,用于在将第一信号电压施加到输入端子并且将预定的第二输入信号电压组施加到第二信号输入端子的状态下打开第一开关元件,然后施加预定的第三 输入信号电压组到第二信号输入端,并且其中放大器电路包括源极跟随器电路或电压跟随器电路。
    • 5. 发明授权
    • Semiconductor device
    • 半导体器件
    • US5818081A
    • 1998-10-06
    • US656288
    • 1996-07-01
    • Tadahiro OhmiTadashi ShibataHideo KosakaTakeo Yamashita
    • Tadahiro OhmiTadashi ShibataHideo KosakaTakeo Yamashita
    • G06G7/60G06N3/063G11C27/00H01L21/8247H01L27/10H01L27/115H01L29/423H01L29/788H01L29/792H01L29/76
    • G11C27/005G06N3/063G06N3/0635H01L29/42324H01L29/7881
    • Synapse can be formed from a smaller number of elements in a low-power semiconductor device, which realize a highly integrated neural network. Precise modifications of synapse weighting become possible and a neuron computer chip of a practical level can be accomplished. The semiconductor device includes a first electrode for charge injection, connected to a floating gate through a first insulating film; a second electrode for applying programming pulses, connected to the floating gate through a second insulating film, and a MOS transistor using the floating gate as its gate electrode, wherein the charge supplied from the source electrode of the MOS transistor sets the potential at the first electrode to a predetermined value determined by the potential of the floating gate, and charges are transferred between the floating gate and the first electrode through the first insulating film by applying a predetermined pulsating voltage to the second electrode.
    • PCT No.PCT / JP94 / 02000 Sec。 371日期:1996年7月1日 102(e)日期1996年7月1日PCT 1994年11月29日PCT PCT。 公开号WO95 / 15580 日期1995年6月8日可以在低功率半导体器件中由较少数量的元件形成,这实现了高度集成的神经网络。 突触加权的精确修改成为可能,并且可以实现具有实用水平的神经元计算机芯片。 半导体器件包括用于电荷注入的第一电极,通过第一绝缘膜连接到浮置栅极; 用于施加通过第二绝缘膜连接到浮置栅极的编程脉冲的第二电极和使用浮置栅极作为其栅电极的MOS晶体管,其中从MOS晶体管的源极提供的电荷将第一 电极到由浮置栅极的电位确定的预定值,并且通过对第二电极施加预定的脉动电压,电荷通过第一绝缘膜在浮置栅极和第一电极之间传递。
    • 6. 发明授权
    • Frequency multiplying device and digitally-controlled oscillator
    • 倍频装置和数字控制振荡器
    • US5789985A
    • 1998-08-04
    • US621607
    • 1996-03-22
    • Shigenori YamauchiTakamoto WatanabeTadashi ShibataYoshinori Fujihashi
    • Shigenori YamauchiTakamoto WatanabeTadashi ShibataYoshinori Fujihashi
    • H03K5/00H03K3/03H03L7/099H03B27/00H03K5/26H03L7/06
    • H03L7/0991
    • A frequency multiplying device which multiplies the frequency of an externally-supplied reference signal PREF includes a digitally-controlled oscillation circuit, which includes a ring oscillator formed of thirty-two inverting circuits in a ring configuration which are adapted to generate sixteen clock signals having a period that is thirty-two times the inversion time of each inverting circuit and a phase interval that is twice the inverting circuit inversion time, and produces an output signal POUT having a period that corresponds to frequency control data CD at a resolution of the phase difference time of the clock signals, a counter/data-latch circuit which counts the clock signal RCK released by the ring oscillator within one period of the reference signal PREF and delivers the frequency control data CD of the count value to the digital oscillation circuit, and a control circuit which controls the operation of the circuits so that the oscillation output signal POUT having the frequency of the reference signal PREF multiplied by sixteen (32/2) is generated by the digital oscillation circuit.
    • 将外部提供的参考信号PREF的频率相乘的倍频装置包括数字控制的振荡电路,其包括由环形配置中的三十二个反相电路形成的环形振荡器,该环形振荡器适于产生十六个时钟信号, 周期,是每个反相电路的反相时间的三十二倍,是反相电路反相时间的两倍的相位间隔,并产生具有与频率控制数据CD相对应的周期的输出信号POUT,该周期以相位差的分辨率 时钟信号的时间;计数器/数据锁存电路,用于对参考信号PREF的一个周期内由环形振荡器释放的时钟信号RCK进行计数,并将计数值的频率控制数据CD传送到数字振荡电路;以及 控制电路,其控制电路的运行,使得具有频率的振荡输出信号POUT 通过数字振荡电路产生参考信号PREF乘以十六(32/2)的通量。