Current sensor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11899044
APP PUB NO 20230055691A1
SERIAL NO

17875547

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Abstract

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A current sensor for a detection target current using a shunt resistor includes: a resistance value correction circuit having a correction resistor; a signal application unit that applies an alternating current signal to a series circuit of the shunt resistor and the correction resistor; a voltage detection unit that detects terminal voltages of the shunt resistor and the correction resistor; and a correction unit that calculates a resistance value of the shunt resistor and corrects the resistance value for detection; and a power supply circuit having a first power supply generation unit that generates a first power supply of the signal application unit from an input power supply of an outside; and a second power supply generation unit that generates a second power supply of the voltage detection unit.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN
DENSO CORPORATIONKARIYA
MIRISE TECHNOLOGIES CORPORATION500-1 MINAMIYAMA KOMENOKI-CHO NISSHIN CITY AICHI PREFECTURE 470-0111

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuta, Yoshikazu Nisshin, JP 32 42
Nezuka, Tomohiro Nisshin, JP 49 81
Wada, Shotaro Nisshin, JP 11 1

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