Integration circuit

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United States of America Patent

PATENT NO 9355283
APP PUB NO 20150349753A1
SERIAL NO

14720640

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Abstract

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An integration circuit according to one embodiment includes a first capacitance element, a capacitance circuit, a comparison circuit, a memory circuit and an operation circuit. The first capacitance element receives a current signal. The capacitance circuit includes a first switch and a second capacitance element, and is connected in parallel to the first capacitance element. The second capacitance element receives a current signal via the first switch. The comparison circuit compares a voltage of the first capacitance element with a reference voltage to obtain a comparison result. The memory circuit stores the comparison result, and opens or closes the first switch based on the comparison result. The operation circuit outputs a residual signal based on a difference between the integrated value obtained by the first capacitance element and the second capacitance element and a value based on the comparison result.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Funaki, Hideyuki Shinagawa Tokyo, JP 147 1894
Furuta, Masanori Odawara Kanagawa, JP 87 527
Itakura, Tetsuro Nerima Tokyo, JP 165 1706
Kawata, Go Kawasaki Kanagawa, JP 43 155
Kimura, Shunsuke Kawasaki Kanagawa, JP 55 191

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