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    • 71. 发明授权
    • Semiconductor devices utilizing neuron MOS transistors
    • 利用神经元MOS晶体管的半导体器件
    • US5587668A
    • 1996-12-24
    • US119157
    • 1993-09-20
    • Tadashi ShibataTadahiro Ohmi
    • Tadashi ShibataTadahiro Ohmi
    • G06F7/49G06F7/50G06F7/501G06N3/063G11C11/56G11C16/04G11C27/00H01L29/788H03K19/0944H03K19/017
    • G06F7/5013G06F7/49G06N3/0635G11C11/5621G11C16/0408G11C27/005H01L29/7881H03K19/0944G06F2207/482G06F2207/4826G11C11/54G11C2211/5611
    • A semiconductor device by which a circuit having the same functions as those of the conventional circuit is realized with a very small number of elements, and complex logical functions can be designed simply, and further, its layout is also possible. A semiconductor device made up of at least one neuron MOS transistor having a gate electrode provided in a potentially floating state in a portion for isolating a source and drain region via a first insulation film, and plural control electrodes which are capacitively coupled to the floating gate electrode via a second insulation film, is characterized in that the first signal is inputted to a first control gate electrode of the first neuron MOS transistor, the first signal is inputted to a first inverter comprising one or more stages, and the output of the first inverter is inputted to a second control gate electrode which is one of the plural control gate electrodes other than the first control gate electrode.
    • PCT No.PCT / JP92 / 00347 Sec。 371日期:1993年9月20日 102(e)1993年9月20日PCT 1993年3月21日PCT公布。 公开号WO92 / 16971 日期:1992年10月1日具有与现有电路相同功能的电路的半导体器件通过非常少的元件实现,并且可以简单地设计复杂的逻辑功能,此外,其布局也是可能的。 一种由至少一个神经元MOS晶体管组成的半导体器件,所述至少一个神经元MOS晶体管具有经由第一绝缘膜隔离源极和漏极区域的部分中以潜在浮动状态设置的栅电极,以及电容耦合到浮置栅极的多个控制电极 电极经由第二绝缘膜,其特征在于,第一信号被输入到第一神经元MOS晶体管的第一控制栅电极,第一信号被输入到包括一级或多级的第一反相器,第一信号的输出 反相器被输入到除了第一控制栅电极之外的多个控制栅电极之一的第二控制栅电极。
    • 74. 发明授权
    • Computing circuit, computing apparatus, and semiconductor computing circuit
    • 计算电路,计算设备和半导体计算电路
    • US06691145B1
    • 2004-02-10
    • US09615754
    • 2000-07-13
    • Tadashi ShibataMasahiro KondaTadahiro Ohmi
    • Tadashi ShibataMasahiro KondaTadahiro Ohmi
    • G06G700
    • G11C11/5621G06G7/14G11C27/005H04N19/94
    • A computing circuit capable of computing an absolute difference with high-speed analog computation, a computing apparatus capable of computing the sum of absolute differences and a semiconductor computing circuit achievable with simple circuitry and suitable for use in such a computing circuit or apparatus. The computing circuit capable of computing the absolute difference includes a large input selection circuit 1 which outputs either a first signal or a second signal whichever is larger, a small input selection circuit 2 which outputs either the first and second signals whichever signal is smaller, and a subtraction circuit 3 which subtracts the output of the small input selection circuit 2 from the output of the large input selection circuit 1. The subtraction circuit 3 includes a capacitor 6, a first switch 4 provided between a first terminal of the capacitor 6 and the output of the large input selection circuit 1, a second switch 5 provided between the first terminal of the capacitor 6 and the output of the small input selection circuit 2, and a third switch 7 provided between a second terminal of the capacitor 6 and a terminal connected to a prescribed potential. The computing apparatus capable of computing the sum of absolute differences includes a plurality of such computing circuits, and computes the sum of the outputs of the computing circuits by using a summing circuit.
    • 一种能够计算与高速模拟计算的绝对差异的计算电路,能够计算绝对差的和的计算装置以及适用于这种计算电路或装置的简单电路可实现的半导体计算电路。 能够计算绝对差的计算电路包括大输入选择电路1,其输出第一信号或第二信号(较大者),小输入选择电路2,其输出第一信号和第二信号,其中较小的信号;以及 减法电路3,其从大输入选择电路1的输出中减去小输入选择电路2的输出。减法电路3包括电容器6,设置在电容器6的第一端和第一开关4之间的第一开关4, 大输入选择电路1的输出,设置在电容器6的第一端子和小输入选择电路2的输出端之间的第二开关5以及设置在电容器6的第二端子与端子之间的第三开关7 连接到规定的电位。 能够计算绝对差的和的计算装置包括多个这样的计算电路,并且通过使用求和电路来计算计算电路的输出之和。
    • 75. 发明授权
    • Semiconductor integrated circuit and driving method using comparator feedback loop to switch subtraction bypass circuit
    • 半导体集成电路和驱动方法使用比较器反馈回路来切换减法旁路电路
    • US06259393B1
    • 2001-07-10
    • US09105258
    • 1998-06-26
    • Katsuhisa OgawaTadahiro OhmiTadashi Shibata
    • Katsuhisa OgawaTadahiro OhmiTadashi Shibata
    • H03M138
    • H03M1/403
    • In order to solve the problem of increase in circuit scale and increase in power consumption due to use of a DA converter, a semiconductor integrated circuit comprises a signal amplifier 2, 10 capable of switching of a gain to 1 or 2, an arithmetic processor 7, 9 for performing a subtraction process of a reference voltage from an input signal to output a result thereof or for outputting the input signal without performing the subtraction process, a switch 8 whose one switch terminal is connected to a signal input terminal, whose other switch terminal is connected to an output side of sample hold circuits 5, 6, and whose common terminal is connected to an input side of the arithmetic processor, a comparator 3 for comparing an output from the signal amplifier with the reference voltage to binarize the output, and a switch 11 for connecting an output side of the signal amplifier to an input side of the sample hold circuits, wherein the arithmetic processor carries out a changeover between the operation of performing the subtraction process of the reference voltage from the input signal to output the result and the operation of outputting the input signal without performing the subtraction process, based on an output from the comparator, thereby decreasing the circuit scale and substantially eliminating occurrence of an error.
    • 为了解决由于使用DA转换器导致的电路规模增加和功耗增加的问题,半导体集成电路包括能够将增益切换为1或2的信号放大器2,10,运算处理器7 9,用于从输入信号执行参考电压的减法处理以输出其结果或用于在不执行减法处理的情况下输出输入信号;开关8,其一个开关端子连接到信号输入端子,其另一个开关 端子连接到采样保持电路5,6的输出侧,并且其公共端连接到算术处理器的输入侧;比较器3,用于将来自信号放大器的输出与参考电压进行比较,以二值化输出; 以及用于将信号放大器的输出侧连接到采样保持电路的输入侧的开关11,其中,算术处理器执行 基于比较器的输出,从输入信号执行参考电压的减法处理以输出结果和输出输入信号的操作而不执行减法处理的操作,从而减小电路规模并基本上消除发生 的错误。
    • 76. 发明授权
    • Semiconductor integrated circuit utilizing insulated gate type
transistors
    • 采用绝缘栅型晶体管的半导体集成电路
    • US6100741A
    • 2000-08-08
    • US110012
    • 1998-07-02
    • Katsuhisa OgawaTadahiro OhmiTadashi Shibata
    • Katsuhisa OgawaTadahiro OhmiTadashi Shibata
    • G06G7/16G06G7/163G06F7/44
    • G06G7/163
    • For raising the accuracy of analog multiplication, a gate-drain (G-D) connection point of transistor (Tr) whose gate-drain (G-D) are shorted and whose source is connected to ground potential is connected to a source of second Tr whose G-D are shorted, a first input signal current source is connected to a G-D connection point of the second Tr, a G-D connection point of third Tr whose G-D are shorted and whose source is connected to the ground potential is connected to a source of fourth Tr whose G-D are shorted, a second input signal current source is connected to a G-D connection point of the fourth Tr, the G-D connection points of the second and fourth Tr's are connected to first and second capacitors respectively, outputs of the first and second capacitors are connected to each other and to a gate of fifth Tr to form a floating point, a source of the fifth Tr is connected to the ground potential, and a drain current of the fifth Tr is an operation output.
    • 为了提高模拟倍增的精度,其栅极漏极(GD)短路并且其源极连接到地电位的晶体管(Tr)的栅极 - 漏极(GD)连接点连接到第二Tr的源极,其中GD为 短路时,第一输入信号电流源连接到第二Tr的GD连接点,GD短路的第三Tr的GD连接点和其源极连接到地电位,连接到第四Tr的源,其中GD 短路,第二输入信号电流源连接到第四Tr的GD连接点,第二和第四Tr的GD连接点分别连接到第一和第二电容器,第一和第二电容器的输出连接到 彼此并且连接到第五Tr的栅极以形成浮点,第五Tr的源极连接到地电位,并且第五Tr的漏极电流是操作输出。
    • 80. 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。