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    • 53. 发明授权
    • Semiconductor arithmetic circuit
    • 半导体运算电路
    • US5923205A
    • 1999-07-13
    • US930372
    • 1997-11-07
    • Tadashi ShibataTadahiro OhmiMasahiro Konda
    • Tadashi ShibataTadahiro OhmiMasahiro Konda
    • G06G7/26G06G7/42
    • G06G7/26
    • A semiconductor arithemetic circuit which performs calculation of an analog vector with a high accuracy at a high speed. A semiconductor arithemetic circuit having a plurality of MOS type transistors, wherein the source electrodes are connected to one another, the gate electrodes of the MOS type transistors are connected to a signal line having a prescribed potential via switching elements, and at least one input electrode is capacitively coupled with the gate electrodes; wherein circuitry is provided for applying first and second input voltages, respectively, to the input electrodes of at least one pair of first and second MOS type transistors among the plurality of MOS type transistors, and for equalizing potentials of the gate electrodes to the potential of the signal line by allowing the switching elements to conduct, and further circuitry means is provided for inputting the second and first input voltages into, respectively, the input electrodes of the first and second MOS type transistors after placing said gate electrodes in an electrically floating state by turning the switching elements off.
    • PCT No.PCT / JP96 / 00882 Sec。 371日期:1997年11月7日 102(e)日期1997年11月7日PCT 1996年4月1日PCT PCT。 WO96 / 30853 PCT出版物 日期:1996年10月3日一种以高速度高精度地进行模拟矢量的计算的半导体仿真电路。 一种具有多个MOS型晶体管的半导体仿真电路,其中源极彼此连接,MOS型晶体管的栅电极通过开关元件连接到具有规定电位的信号线,并且至少一个输入电极 与栅电极电容耦合; 其中提供电路,用于将多个MOS型晶体管中的至少一对第一和第二MOS型晶体管的输入电极分别施加第一和第二输入电压,并将栅电极的电位与 信号线通过允许开关元件导通,并且还提供另外的电路装置,用于在将所述栅电极置于电浮动状态之后将第二和第一输入电压分别输入到第一和第二MOS型晶体管的输入电极中 通过关闭开关元件。
    • 54. 发明授权
    • Semiconductor circuit
    • 半导体电路
    • US5784018A
    • 1998-07-21
    • US702689
    • 1996-08-12
    • Tadahiro OhmiTakeo YamashitaTadashi Shibata
    • Tadahiro OhmiTakeo YamashitaTadashi Shibata
    • G11C11/56G11C27/00H03M1/12
    • G11C27/005G11C11/5621G11C11/54G11C2211/5611G11C7/16
    • The invention provides a semiconductor circuit which can fetch and store analog and multilevel data by using a simple circuit. The invention also provides a multilevel memory which can freely change the number of quantizing levels by using external signals. This semiconductor circuit comprises a first circuit which converts first signals into a group of quantized signals, a second circuit which converts the signal group into second multilevel signals, and structure which feeds back the second signals to the first circuit as first signals. The semiconductor circuit further has a structure to electrically separates at least one signal included in the signal group from the input of the second circuit, and structure which feeds back the second signals to the input of the second circuit instead of the signal previously separated.
    • PCT No.PCT / JP95 / 00204 Sec。 371日期:1996年8月12日 102(e)日期1996年8月12日PCT提交1995年2月14日PCT公布。 WO95 / 22146 PCT公开号 日期:1995年8月17日本发明提供一种半导体电路,其可以通过使用简单的电路来获取和存储模拟和多电平数据。 本发明还提供一种可以通过使用外部信号自由地改变量化电平数量的多电平存储器。 该半导体电路包括将第一信号转换成一组量化信号的第一电路,将信号组转换成第二多电平信号的第二电路,以及将第二信号作为第一信号反馈到第一电路的结构。 半导体电路还具有将包括在信号组中的至少一个信号与第二电路的输入电隔离的结构,以及将第二信号反馈到第二电路的输入而不是先前分离的信号的结构。
    • 58. 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。
    • 59. 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。