CUMULATIVE ADDITION DEVICE AND CUMULATIVE ADDITION METHOD

CUMULATIVE ADDITION DEVICE AND CUMULATIVE ADDITION METHOD

PROBLEM TO BE SOLVED: To provide a cumulative addition device and a cumulative addition method capable of suppressing the increase of a circuit scale and achieving highly accurate cumulative addition operation. SOLUTION: The cumulative addition device is provided with first and second cumulative add...

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Hauptverfasser: SASAKI DAIZO, CHINDA YUSUKE
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator SASAKI DAIZO
CHINDA YUSUKE
description PROBLEM TO BE SOLVED: To provide a cumulative addition device and a cumulative addition method capable of suppressing the increase of a circuit scale and achieving highly accurate cumulative addition operation. SOLUTION: The cumulative addition device is provided with first and second cumulative addition circuits 200, 300 and a switching part 100 arranged on the prestage of these circuits 200, 300 to determine which cumulative addition circuit is to be used. Namely the cumulative addition circuits 200, 300 have respectively different degrees in the absolute value of a numerical value to be operated. Outputs from the cumulative addition circuits 200, 300 are added to each other by an adder 204 which outputs a cumulative addition result sum(q(t)) of an input value q(t). COPYRIGHT: (C)2007,JPO&INPIT
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title CUMULATIVE ADDITION DEVICE AND CUMULATIVE ADDITION METHOD
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