Circuit for a small electric appliance with an accumulator and method for measuring a charging current

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United States of America Patent

PATENT NO 9124118
APP PUB NO 20130069565A1
SERIAL NO

13612977

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Abstract

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A circuit for a small electric appliance is disclosed. The circuit includes a battery (B); a control circuit (uC) for measuring the charging current of the battery (B); a DC-DC converter (DC/DC) which supplies the control circuit (uC) from the battery; and a current sensing resistor (R1), whose one end lies at a reference potential and whose other end is connected to the battery (B). The control circuit (uC) has a terminal which is at reference potential, and a measurement input which is related to the reference potential.

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Patent Owner(s)

Patent OwnerAddress
BRAUN GMBHFRANKFURTER STRASSE 145 ATTENTION PATENT MANAGER KRONBERG D-61476

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faranda, Leo Rodgau, DE 14 274
Küchler, Kervin Heinrich Darmstadt, DE 4 4
Klemm, Torsten Eschborn, DE 32 98

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