Current-sensing and gain-switching circuit and method for using wide range of current

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United States of America Patent

PATENT NO 9923455
SERIAL NO

15182975

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Abstract

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A current control circuit includes a current transformer that detects a primary current, a sensor gain switch that selectively connects the primary current to one of a first gain amplifier and a second gain amplifier to provide a current sensing output, a controller gain switch that selectively connects the current sensing output to one of a first controller amplifier and a second controller amplifier, and a controller that controls switching of the sensor gain switch and the controller gain switch.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTD10-1 HIGASHIKOTARI 1-CHOME NAGAOKAKYO-SHI KYOTO-FU 617-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Afsharian, Jahangir Toronto, CA 20 105
Gong, Bing Etobicoke, CA 41 116

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