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热词
    • 7. 发明授权
    • Partitioning logic operations in a generalized matrix system
    • 在一般化矩阵系统中分割逻辑运算
    • US3593317A
    • 1971-07-13
    • US3593317D
    • 1969-12-30
    • IBM
    • FLEISHER HAROLDWEINBERGER ARNOLDWINKLER VAUGHN D
    • H03K19/177G06C15/00
    • H03K19/177
    • An improved method and means to implement a logic function F of N variables by partitioning the logic operation in a plurality of generalized logic matrices. It is first mathematically demonstrated that a function F of N variables may be expanded into subfunctions of a lesser number of variables. These subfunctions may be logically implemented individually and then logically combined so as to produce the desired function of N variables with a concomitant savings in logic circuitry over that required if the functions were directly implemented. The means used to implement the logic function F are a plurality of generalized logic matrices, each of which comprises a plurality of logic gates arranged in columns and rows, an input decoder for accepting the input variables, and a storage register for varying the functions generated at the output of the matrix. These matrices are arranged in cascade so that, as the function F is constructed from the several subfunctions, additional variables are inserted at each matrix stage until the function F of N variables is fully generated.