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    • 4. 发明授权
    • Dynamic BiCMOS logic gates
    • 动态BiCMOS逻辑门
    • US5144163A
    • 1992-09-01
    • US631283
    • 1990-02-20
    • Akira MatsuzawaShota NakashimaHaruyasu Yamada
    • Akira MatsuzawaShota NakashimaHaruyasu Yamada
    • H03K19/0944H03K19/096
    • H03K19/0963H03K19/09448
    • A dynamic logic gate includes a precharge device for precharging the logic gate in synchronism with a clock; a partial logic gate arranged such that, depending on the logic states of the logic inputs, current is allowed to flow between its two terminals or is cut off; a bipolar transistor whose emitter is grounded, and a discharge device for discharging the charge stored in the base of the bipolar transistor during the precharge period. The logic gate speeds up the logic operation by suddenly discharging the load capacity of the circuitry by supplying the conducting current of the partial logic gate to the bipolar transistor base and using the high speed current amplification action of the bipolar transistor.
    • 动态逻辑门包括用于与时钟同步地预充电逻辑门的预充电装置; 部分逻辑门被布置成使得根据逻辑输入的逻辑状态,允许电流在其两个端子之间流动或被切断; 其发射极接地的双极晶体管,以及用于在预充电期间内放电存储在双极晶体管的基极中的电荷的放电装置。 通过将部分逻辑门的导通电流提供给双极晶体管基极并使用双极晶体管的高速电流放大作用,逻辑门通过突然放电电路的负载能力来加速逻辑运算。
    • 9. 发明授权
    • Image processor
    • 图像处理器
    • US4635292A
    • 1987-01-06
    • US682321
    • 1984-12-17
    • Toshiki MoriHaruyasu YamadaKenichi HasegawaKunitoshi Aono
    • Toshiki MoriHaruyasu YamadaKenichi HasegawaKunitoshi Aono
    • G06T5/20G06F9/28G06F15/66G06K9/36
    • G06T5/20
    • This invention provides parallel partial image processing such as spatial convolution or non-linear neighbor arithmetic operation using an image processor which can easily be formed as a large-scale integrated circuit and can be used for various purposes. The image processor has an adder-subtractor, a multiplier, a reciprocal number memory in which the reciprocal of an address and the amount of shift are stored at each address, and a shift register. The processor therefore is capable of high-speed dividing operations by multiplying a multiplicant by the reciprocal of a multiplier and by shifting the result of the multiplication. Also, by switching the inputs to the adder-subtractor and to the multiplier rapidly under program control, it is possible to perform arbitrary addition, subtraction, multiplication and division on partial image data of m rows and n columns stored in a partial image memory of the image processor.
    • 本发明提供并行部分图像处理,例如使用可以容易地形成为大规模集成电路并可用于各种目的的图像处理器的空间卷积或非线性相邻算术运算。 图像处理器具有加法器 - 减法器,乘法器,互易数存储器,其中地址的倒数和移位量存储在每个地址处,以及移位寄存器。 因此,处理器能够通过将乘数乘以乘法器的倒数并通过移位乘法结果来进行高速分频操作。 此外,通过在程序控制下将输入切换到加法器 - 减法器和乘法器,可以对存储在部分图像存储器中的m行和n列的部分图像数据执行任意加法,减法,乘法和除法 图像处理器。