ELECTRONIC CONTROL UNIT

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United States of America Patent

SERIAL NO

15410887

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electronic control unit includes a pair of D/A conversion circuits, which performs D/A conversion processing of a pair of digital data and outputs a pair of analog signals. Each of the pair of D/A conversion circuits performs the D/A conversion processing by splitting input digital data into more-significant digital data and less-significant digital data. More-significant D/A conversion part performs analog conversion processing in accordance with the more-significant digital data by using an element string circuit, which outputs split voltages by splitting predetermined reference voltages. The more-significant conversion circuits output a maximum value and a minimum value in absolute voltage ranges, which are different from each other, in accordance with the more-significant digital data. Less-significant conversion parts perform analog conversion processing in accordance with less-significant digital data by using the maximum value and the minimum value of the different absolute voltage ranges, which are outputted from the more-significant D/A conversion parts, as reference voltages. The element string circuit is shared by the pair of D/A conversion circuits.

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Patent Owner(s)

Patent OwnerAddress
DENSO CORPORATIONKARIYA-SHI AICHI 448-8661

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ICHIKAWA, Satoshi Kariya-city, JP 29 162

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