Product-sum operation circuit and method

Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed

Reexamination Certificate

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Reexamination Certificate

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07747668

ABSTRACT:
A product-sum operation circuit includes a sorting block (4) which outputs a plurality of operand values x1, x2, . . . xi in descending or ascending order of magnitude, and an operation unit (1) which multiplies each operand value xi output from the sorting block (4) by a corresponding operand value Wi and calculates the accumulated sum of multiplication results.

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Japanese Office Action dated Dec. 1, 2009, in corresponding Japanese Application No. 2003-356625.

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