CHARGING AN ELECTRICAL DEVICE VIA A DATA INTERFACE

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United States of America Patent

APP PUB NO 20150349561A1
SERIAL NO

14655231

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a method for charging an electrical device (102) with a charger (101) via a data interface (103). The data interface (103) comprises at least a first data line (D+) and a second data line (D−) coupling the charger (101) and the electrical device (102). According to the method, the charger (101) and the electrical device (102) are coupled through the first and second data lines (D+, D−). At the charger (101) the first and second data lines (D+, D−) are short-circuited (301). The electrical device (102) detects, if the first and second data lines (D+, D−) are short-circuited and in response to the detected short-circuit (301) at the charger (101), the electrical device (102) short-circuits (401) the first and second data lines (D+, D−). Then, the charger (101) opens the short-circuit (301) of the first and second data lines (D+, D−) and detects, if the first and second data lines (D+, D−) are short-circuited at the electrical device (102). The charger (101) supplies a charging current to at least one of the first and second data lines (D+, D−) in response to the detected short-circuit (401) at the electrical device (102).

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Patent Owner(s)

Patent OwnerAddress
SONY MOBILE COMMUNICATIONS ABNYA VATTENTORNET LUND 221 88

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berggren, Lars Malmö, SE 4 146
Rämmal, Jonas Lund, SE 1 3

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